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<div class="subTitle">org.apache.ignite.ml.math.functions</div>
<h2 title="Class Functions" class="title">Class Functions</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
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<li>org.apache.ignite.ml.math.functions.Functions</li>
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<pre>public final class <span class="typeNameLabel">Functions</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">Compatibility with Apache Mahout.</div>
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<h3>Field Summary</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDoubleFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#ABS">ABS</a></span></code>
<div class="block">Function that returns <code>Math.abs(a)</code>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#COMPARE">COMPARE</a></span></code>
<div class="block">Function that returns {@code a <span class='angle_bracket'>&lt;</span> b ?</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDoubleFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#IDENTITY">IDENTITY</a></span></code>
<div class="block">Function that returns its argument.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDoubleFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#INV">INV</a></span></code>
<div class="block">Function that returns <code>1 / a </code></div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#LG">LG</a></span></code>
<div class="block">Function that returns <code>Math.log(a) / Math.log(b)</code>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDoubleFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#LOG2">LOG2</a></span></code>
<div class="block">Function that returns <code>Math.log(a) / Math.log(2)</code>.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#MAX_ABS">MAX_ABS</a></span></code>
<div class="block">Function that returns <code>max(abs(a), abs(b))</code>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#MIN">MIN</a></span></code>
<div class="block">Function that returns <code>min(a, b)</code>.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#MIN_ABS">MIN_ABS</a></span></code>
<div class="block">Function that returns <code>min(abs(a), abs(b))</code>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#MINUS">MINUS</a></span></code>
<div class="block">Function that returns <code>a - b</code>.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#MINUS_ABS">MINUS_ABS</a></span></code>
<div class="block">Function that returns <code>abs(a - b)</code>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#MINUS_SQUARED">MINUS_SQUARED</a></span></code>
<div class="block">Function that returns <code>(a - b) * (a - b)</code></div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#MOD">MOD</a></span></code>
<div class="block">Function that returns <code>a % b</code>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#MULT">MULT</a></span></code>
<div class="block">Function that returns <code>a * b</code>.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDoubleFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#NEGATE">NEGATE</a></span></code>
<div class="block">Function that returns <code>-a</code>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#PLUS">PLUS</a></span></code>
<div class="block">Function that returns <code>a + b</code>.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#PLUS_ABS">PLUS_ABS</a></span></code>
<div class="block">Function that returns <code>Math.abs(a) + Math.abs(b)</code>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDoubleFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#SIGMOID">SIGMOID</a></span></code>
<div class="block">Function that returns <code>1 / (1 + exp(-a) </code></div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDoubleFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#SIGMOIDGRADIENT">SIGMOIDGRADIENT</a></span></code>
<div class="block">Function that returns <code>a * (1-a) </code></div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDoubleFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#SIGN">SIGN</a></span></code>
<div class="block">Function that returns {@code a < 0 ?</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDoubleFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#SQUARE">SQUARE</a></span></code>
<div class="block">Function that returns <code>a * a</code>.</div>
</td>
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</ul>
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<h3>Constructor Summary</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
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<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#Functions--">Functions</a></span>()</code>&nbsp;</td>
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</table>
</li>
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<h3>Method Summary</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>static <span class='angle_bracket'>&lt;</span>A,B extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</a><span class='angle_bracket'>&lt;</span>B<span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span><br><a href="../../../../../../org/apache/ignite/lang/IgniteBiTuple.html" title="class in org.apache.ignite.lang">IgniteBiTuple</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>,A<span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#argmin-java.util.List-org.apache.ignite.ml.math.functions.IgniteFunction-">argmin</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><span class='angle_bracket'>&lt;</span>A<span class='angle_bracket'>&gt;</span>&nbsp;args,
<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'>&lt;</span>A,B<span class='angle_bracket'>&gt;</span>&nbsp;f)</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDoubleFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#constant-java.lang.Double-">constant</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>&nbsp;c)</code>
<div class="block">Function that returns passed constant.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>static <span class='angle_bracket'>&lt;</span>A,B,C<span class='angle_bracket'>&gt;</span>&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteCurriedBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteCurriedBiFunction</a><span class='angle_bracket'>&lt;</span>A,B,C<span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#curry-java.util.function.BiFunction-">curry</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/BiFunction.html?is-external=true" title="class or interface in java.util.function">BiFunction</a><span class='angle_bracket'>&lt;</span>A,B,C<span class='angle_bracket'>&gt;</span>&nbsp;f)</code>
<div class="block">Curry bi-function.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>static <span class='angle_bracket'>&lt;</span>A,B,C<span class='angle_bracket'>&gt;</span>&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteCurriedBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteCurriedBiFunction</a><span class='angle_bracket'>&lt;</span>A,B,C<span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#curry-org.apache.ignite.ml.math.functions.IgniteBiFunction-">curry</a></span>(<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span>A,B,C<span class='angle_bracket'>&gt;</span>&nbsp;f)</code>
<div class="block">Transform bi-function of the form (a, b) -> c into a function of form a -> (b -> c).</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>static <span class='angle_bracket'>&lt;</span>A,B,C,D<span class='angle_bracket'>&gt;</span>&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteCurriedTriFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteCurriedTriFunction</a><span class='angle_bracket'>&lt;</span>A,B,C,D<span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#curry-org.apache.ignite.ml.math.functions.IgniteTriFunction-">curry</a></span>(<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteTriFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteTriFunction</a><span class='angle_bracket'>&lt;</span>A,B,C,D<span class='angle_bracket'>&gt;</span>&nbsp;f)</code>
<div class="block">Transform tri-function of the form (a, b, c) -> d into a function of form a -> (b -> (c -> d)).</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDoubleFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#div-double-">div</a></span>(double&nbsp;b)</code>
<div class="block">Function that returns <code>a / b</code>.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>static <span class='angle_bracket'>&lt;</span>T<span class='angle_bracket'>&gt;</span>&nbsp;T</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#MAX_GENERIC-T-T-java.util.Comparator-">MAX_GENERIC</a></span>(T&nbsp;a,
T&nbsp;b,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</a><span class='angle_bracket'>&lt;</span>T<span class='angle_bracket'>&gt;</span>&nbsp;f)</code>
<div class="block">Generic 'max' function.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>static <span class='angle_bracket'>&lt;</span>T<span class='angle_bracket'>&gt;</span>&nbsp;T</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#MIN_GENERIC-T-T-java.util.Comparator-">MIN_GENERIC</a></span>(T&nbsp;a,
T&nbsp;b,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</a><span class='angle_bracket'>&lt;</span>T<span class='angle_bracket'>&gt;</span>&nbsp;f)</code>
<div class="block">Generic 'min' function.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#minusMult-double-">minusMult</a></span>(double&nbsp;constant)</code>
<div class="block">Function that returns <code>a - b*constant</code>.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDoubleFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#mult-double-">mult</a></span>(double&nbsp;b)</code>
<div class="block">Function that returns <code>a * b</code>.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>static <span class='angle_bracket'>&lt;</span>A,B,C<span class='angle_bracket'>&gt;</span>&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span>A,B,<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteSupplier.html" title="interface in org.apache.ignite.ml.math.functions">IgniteSupplier</a><span class='angle_bracket'>&lt;</span>C<span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#outputSupplier-org.apache.ignite.ml.math.functions.IgniteBiFunction-">outputSupplier</a></span>(<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span>A,B,C<span class='angle_bracket'>&gt;</span>&nbsp;f)</code>
<div class="block">Transform function of form (a, b) -> c into (a, b) - () -> c.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>static <span class='angle_bracket'>&lt;</span>A,B<span class='angle_bracket'>&gt;</span>&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'>&lt;</span>A,<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteSupplier.html" title="interface in org.apache.ignite.ml.math.functions">IgniteSupplier</a><span class='angle_bracket'>&lt;</span>B<span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#outputSupplier-org.apache.ignite.ml.math.functions.IgniteFunction-">outputSupplier</a></span>(<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'>&lt;</span>A,B<span class='angle_bracket'>&gt;</span>&nbsp;f)</code>
<div class="block">Transform function of form a -> b into a -> (() -> b).</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDoubleFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#plus-double-">plus</a></span>(double&nbsp;b)</code>
<div class="block">Function that returns <code>a + b</code>.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#plusMult-double-">plusMult</a></span>(double&nbsp;constant)</code>
<div class="block">Function that returns <code>a + b*constant</code>.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDoubleFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/math/functions/Functions.html#pow-double-">pow</a></span>(double&nbsp;b)</code>
<div class="block">Function that returns <code>Math.pow(a, b)</code>.</div>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<a name="ABS">
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<h4>ABS</h4>
<pre>public static final&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDoubleFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span> ABS</pre>
<div class="block">Function that returns <code>Math.abs(a)</code>.</div>
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<h4>IDENTITY</h4>
<pre>public static final&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDoubleFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span> IDENTITY</pre>
<div class="block">Function that returns its argument.</div>
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<a name="LOG2">
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<h4>LOG2</h4>
<pre>public static final&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDoubleFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span> LOG2</pre>
<div class="block">Function that returns <code>Math.log(a) / Math.log(2)</code>.</div>
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<a name="NEGATE">
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<h4>NEGATE</h4>
<pre>public static final&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDoubleFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span> NEGATE</pre>
<div class="block">Function that returns <code>-a</code>.</div>
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<a name="SIGN">
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<h4>SIGN</h4>
<pre>public static final&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDoubleFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span> SIGN</pre>
<div class="block">Function that returns <code>a <span class='angle_bracket'>&lt;</span> 0 ? -1 : a <span class='angle_bracket'>&gt;</span> 0 ? 1 : 0 </code>.</div>
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<a name="SQUARE">
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<h4>SQUARE</h4>
<pre>public static final&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDoubleFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span> SQUARE</pre>
<div class="block">Function that returns <code>a * a</code>.</div>
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<a name="SIGMOID">
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<h4>SIGMOID</h4>
<pre>public static final&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDoubleFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span> SIGMOID</pre>
<div class="block">Function that returns <code>1 / (1 + exp(-a) </code></div>
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<a name="INV">
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<h4>INV</h4>
<pre>public static final&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDoubleFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span> INV</pre>
<div class="block">Function that returns <code>1 / a </code></div>
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<pre>public static final&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDoubleFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span> SIGMOIDGRADIENT</pre>
<div class="block">Function that returns <code>a * (1-a) </code></div>
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<pre>public static final&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span> MOD</pre>
<div class="block">Function that returns <code>a % b</code>.</div>
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<pre>public static final&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span> MULT</pre>
<div class="block">Function that returns <code>a * b</code>.</div>
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<pre>public static final&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span> LG</pre>
<div class="block">Function that returns <code>Math.log(a) / Math.log(b)</code>.</div>
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<pre>public static final&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span> PLUS</pre>
<div class="block">Function that returns <code>a + b</code>.</div>
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<pre>public static final&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span> MINUS</pre>
<div class="block">Function that returns <code>a - b</code>.</div>
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<pre>public static final&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span> MIN</pre>
<div class="block">Function that returns <code>min(a, b)</code>.</div>
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<pre>public static final&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span> MINUS_ABS</pre>
<div class="block">Function that returns <code>abs(a - b)</code>.</div>
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<pre>public static final&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span> MAX_ABS</pre>
<div class="block">Function that returns <code>max(abs(a), abs(b))</code>.</div>
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<pre>public static final&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span> MIN_ABS</pre>
<div class="block">Function that returns <code>min(abs(a), abs(b))</code>.</div>
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<pre>public static final&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span> PLUS_ABS</pre>
<div class="block">Function that returns <code>Math.abs(a) + Math.abs(b)</code>.</div>
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<pre>public static final&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span> MINUS_SQUARED</pre>
<div class="block">Function that returns <code>(a - b) * (a - b)</code></div>
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<pre>public static final&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span> COMPARE</pre>
<div class="block">Function that returns <code>a &amp;lt; b ? -1 : a &amp;gt; b ? 1 : 0</code>.</div>
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<pre>public&nbsp;Functions()</pre>
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<pre>public static&nbsp;<span class='angle_bracket'>&lt;</span>T<span class='angle_bracket'>&gt;</span>&nbsp;T&nbsp;MAX_GENERIC(T&nbsp;a,
T&nbsp;b,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</a><span class='angle_bracket'>&lt;</span>T<span class='angle_bracket'>&gt;</span>&nbsp;f)</pre>
<div class="block">Generic 'max' function.</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - Type of objects to compare.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>a</code> - First object to compare.</dd>
<dd><code>b</code> - Second object to compare.</dd>
<dd><code>f</code> - Comparator.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Maximum between <code>a</code> and <code>b</code> in terms of comparator <code>f</code>.</dd>
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<pre>public static&nbsp;<span class='angle_bracket'>&lt;</span>T<span class='angle_bracket'>&gt;</span>&nbsp;T&nbsp;MIN_GENERIC(T&nbsp;a,
T&nbsp;b,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</a><span class='angle_bracket'>&lt;</span>T<span class='angle_bracket'>&gt;</span>&nbsp;f)</pre>
<div class="block">Generic 'min' function.</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - Type of objects to compare.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>a</code> - First object to compare.</dd>
<dd><code>b</code> - Second object to compare.</dd>
<dd><code>f</code> - Comparator.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Minimum between <code>a</code> and <code>b</code> in terms of comparator <code>f</code>.</dd>
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<pre>public static&nbsp;<span class='angle_bracket'>&lt;</span>A,B extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</a><span class='angle_bracket'>&lt;</span>B<span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span>&nbsp;<a href="../../../../../../org/apache/ignite/lang/IgniteBiTuple.html" title="class in org.apache.ignite.lang">IgniteBiTuple</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>,A<span class='angle_bracket'>&gt;</span>&nbsp;argmin(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><span class='angle_bracket'>&lt;</span>A<span class='angle_bracket'>&gt;</span>&nbsp;args,
<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'>&lt;</span>A,B<span class='angle_bracket'>&gt;</span>&nbsp;f)</pre>
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<pre>public static&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDoubleFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span>&nbsp;plus(double&nbsp;b)</pre>
<div class="block">Function that returns <code>a + b</code>. <code>a</code> is a variable, <code>b</code> is fixed.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>b</code> - Value to add.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Function for this operation.</dd>
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<pre>public static&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDoubleFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span>&nbsp;mult(double&nbsp;b)</pre>
<div class="block">Function that returns <code>a * b</code>. <code>a</code> is a variable, <code>b</code> is fixed.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>b</code> - Value to multiply to.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Function for this operation.</dd>
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<pre>public static&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDoubleFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span>&nbsp;div(double&nbsp;b)</pre>
<div class="block">Function that returns <code>a / b</code>. <code>a</code> is a variable, <code>b</code> is fixed.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>b</code> - Value to divide to.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Function for this operation.</dd>
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<pre>public static&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span>&nbsp;plusMult(double&nbsp;constant)</pre>
<div class="block">Function that returns <code>a + b*constant</code>. <code>a</code> and <code>b</code> are variables,
<code>constant</code> is fixed.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>constant</code> - Value to use in multiply.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Function for this operation.</dd>
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<pre>public static&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span>&nbsp;minusMult(double&nbsp;constant)</pre>
<div class="block">Function that returns <code>a - b*constant</code>. <code>a</code> and <code>b</code> are variables,
<code>constant</code> is fixed.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>constant</code> - Value to use in multiply.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Function for this operation.</dd>
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<pre>public static&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDoubleFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span>&nbsp;constant(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>&nbsp;c)</pre>
<div class="block">Function that returns passed constant.</div>
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<pre>public static&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteDoubleFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteDoubleFunction</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span>&nbsp;pow(double&nbsp;b)</pre>
<div class="block">Function that returns <code>Math.pow(a, b)</code>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>b</code> - Power value.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Function for given power.</dd>
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<pre>public static&nbsp;<span class='angle_bracket'>&lt;</span>A,B,C<span class='angle_bracket'>&gt;</span>&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteCurriedBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteCurriedBiFunction</a><span class='angle_bracket'>&lt;</span>A,B,C<span class='angle_bracket'>&gt;</span>&nbsp;curry(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/BiFunction.html?is-external=true" title="class or interface in java.util.function">BiFunction</a><span class='angle_bracket'>&lt;</span>A,B,C<span class='angle_bracket'>&gt;</span>&nbsp;f)</pre>
<div class="block">Curry bi-function.</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>A</code> - Type of first argument of <code>f</code>.</dd>
<dd><code>B</code> - Type of second argument of <code>f</code>.</dd>
<dd><code>C</code> - Return type of <code>f</code>.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>f</code> - Bi-function to curry.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Curried bi-function.</dd>
</dl>
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<h4>curry</h4>
<pre>public static&nbsp;<span class='angle_bracket'>&lt;</span>A,B,C<span class='angle_bracket'>&gt;</span>&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteCurriedBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteCurriedBiFunction</a><span class='angle_bracket'>&lt;</span>A,B,C<span class='angle_bracket'>&gt;</span>&nbsp;curry(<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span>A,B,C<span class='angle_bracket'>&gt;</span>&nbsp;f)</pre>
<div class="block">Transform bi-function of the form (a, b) -> c into a function of form a -> (b -> c).</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>A</code> - Type of first argument of function to be transformed.</dd>
<dd><code>B</code> - Type of second argument of function to be transformed.</dd>
<dd><code>C</code> - Type of third argument of function to be transformed.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>f</code> - Function to be curried.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Curried bi-function.</dd>
</dl>
</li>
</ul>
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<h4>curry</h4>
<pre>public static&nbsp;<span class='angle_bracket'>&lt;</span>A,B,C,D<span class='angle_bracket'>&gt;</span>&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteCurriedTriFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteCurriedTriFunction</a><span class='angle_bracket'>&lt;</span>A,B,C,D<span class='angle_bracket'>&gt;</span>&nbsp;curry(<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteTriFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteTriFunction</a><span class='angle_bracket'>&lt;</span>A,B,C,D<span class='angle_bracket'>&gt;</span>&nbsp;f)</pre>
<div class="block">Transform tri-function of the form (a, b, c) -> d into a function of form a -> (b -> (c -> d)).</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>A</code> - Type of first argument of function to be transformed.</dd>
<dd><code>B</code> - Type of second argument of function to be transformed.</dd>
<dd><code>C</code> - Type of third argument of function to be transformed.</dd>
<dd><code>D</code> - Type output of function to be transformed.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>f</code> - Function to be curried.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Curried tri-function.</dd>
</dl>
</li>
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<h4>outputSupplier</h4>
<pre>public static&nbsp;<span class='angle_bracket'>&lt;</span>A,B<span class='angle_bracket'>&gt;</span>&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'>&lt;</span>A,<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteSupplier.html" title="interface in org.apache.ignite.ml.math.functions">IgniteSupplier</a><span class='angle_bracket'>&lt;</span>B<span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span>&nbsp;outputSupplier(<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'>&lt;</span>A,B<span class='angle_bracket'>&gt;</span>&nbsp;f)</pre>
<div class="block">Transform function of form a -> b into a -> (() -> b).</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>A</code> - Type of input of function to be transformed.</dd>
<dd><code>B</code> - Type of output of function to be transformed.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>f</code> - Function to be transformed.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Transformed function.</dd>
</dl>
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<h4>outputSupplier</h4>
<pre>public static&nbsp;<span class='angle_bracket'>&lt;</span>A,B,C<span class='angle_bracket'>&gt;</span>&nbsp;<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span>A,B,<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteSupplier.html" title="interface in org.apache.ignite.ml.math.functions">IgniteSupplier</a><span class='angle_bracket'>&lt;</span>C<span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span>&nbsp;outputSupplier(<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteBiFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteBiFunction</a><span class='angle_bracket'>&lt;</span>A,B,C<span class='angle_bracket'>&gt;</span>&nbsp;f)</pre>
<div class="block">Transform function of form (a, b) -> c into (a, b) - () -> c.</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>A</code> - Type of first argument of function to be transformed.</dd>
<dd><code>B</code> - Type of second argument of function to be transformed.</dd>
<dd><code>C</code> - Type of output of function to be transformed.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>f</code> - Function to be transformed.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Transformed function.</dd>
</dl>
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