| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| <!-- NewPage --> |
| <html lang="en"> |
| <head> |
| <!-- Generated by javadoc --> |
| <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> |
| <title>LibMatrixDatagen (SystemDS 2.0.0-SNAPSHOT API)</title> |
| <link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style"> |
| <script type="text/javascript" src="../../../../../../script.js"></script> |
| </head> |
| <body> |
| <script type="text/javascript"><!-- |
| try { |
| if (location.href.indexOf('is-external=true') == -1) { |
| parent.document.title="LibMatrixDatagen (SystemDS 2.0.0-SNAPSHOT API)"; |
| } |
| } |
| catch(err) { |
| } |
| //--> |
| var methods = {"i0":41,"i1":9,"i2":9,"i3":9,"i4":9,"i5":9,"i6":9,"i7":9,"i8":9,"i9":9}; |
| var tabs = {65535:["t0","All Methods"],1:["t1","Static Methods"],8:["t4","Concrete Methods"],32:["t6","Deprecated Methods"]}; |
| var altColor = "altColor"; |
| var rowColor = "rowColor"; |
| var tableTab = "tableTab"; |
| var activeTableTab = "activeTableTab"; |
| </script> |
| <noscript> |
| <div>JavaScript is disabled on your browser.</div> |
| </noscript> |
| <!-- ========= START OF TOP NAVBAR ======= --> |
| <div class="topNav"><a name="navbar.top"> |
| <!-- --> |
| </a> |
| <div class="skipNav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div> |
| <a name="navbar.top.firstrow"> |
| <!-- --> |
| </a> |
| <ul class="navList" title="Navigation"> |
| <li><a href="../../../../../../overview-summary.html">Overview</a></li> |
| <li><a href="package-summary.html">Package</a></li> |
| <li class="navBarCell1Rev">Class</li> |
| <li><a href="class-use/LibMatrixDatagen.html">Use</a></li> |
| <li><a href="package-tree.html">Tree</a></li> |
| <li><a href="../../../../../../deprecated-list.html">Deprecated</a></li> |
| <li><a href="../../../../../../index-all.html">Index</a></li> |
| <li><a href="../../../../../../help-doc.html">Help</a></li> |
| </ul> |
| </div> |
| <div class="subNav"> |
| <ul class="navList"> |
| <li><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixCuMatMult.html" title="class in org.apache.sysds.runtime.matrix.data"><span class="typeNameLink">Prev Class</span></a></li> |
| <li><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixDNN.html" title="class in org.apache.sysds.runtime.matrix.data"><span class="typeNameLink">Next Class</span></a></li> |
| </ul> |
| <ul class="navList"> |
| <li><a href="../../../../../../index.html?org/apache/sysds/runtime/matrix/data/LibMatrixDatagen.html" target="_top">Frames</a></li> |
| <li><a href="LibMatrixDatagen.html" target="_top">No Frames</a></li> |
| </ul> |
| <ul class="navList" id="allclasses_navbar_top"> |
| <li><a href="../../../../../../allclasses-noframe.html">All Classes</a></li> |
| </ul> |
| <div> |
| <script type="text/javascript"><!-- |
| allClassesLink = document.getElementById("allclasses_navbar_top"); |
| if(window==top) { |
| allClassesLink.style.display = "block"; |
| } |
| else { |
| allClassesLink.style.display = "none"; |
| } |
| //--> |
| </script> |
| </div> |
| <div> |
| <ul class="subNavList"> |
| <li>Summary: </li> |
| <li>Nested | </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.summary">Method</a></li> |
| </ul> |
| <ul class="subNavList"> |
| <li>Detail: </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.detail">Method</a></li> |
| </ul> |
| </div> |
| <a name="skip.navbar.top"> |
| <!-- --> |
| </a></div> |
| <!-- ========= END OF TOP NAVBAR ========= --> |
| <!-- ======== START OF CLASS DATA ======== --> |
| <div class="header"> |
| <div class="subTitle">org.apache.sysds.runtime.matrix.data</div> |
| <h2 title="Class LibMatrixDatagen" class="title">Class LibMatrixDatagen</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> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.sysds.runtime.matrix.data.LibMatrixDatagen</li> |
| </ul> |
| </li> |
| </ul> |
| <div class="description"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <hr> |
| <br> |
| <pre>public class <span class="typeNameLabel">LibMatrixDatagen</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> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.summary"> |
| <!-- --> |
| </a> |
| <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"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span><span id="t6" class="tableTab"><span><a href="javascript:show(32);">Deprecated Methods</a></span><span class="tabEnd"> </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 <a href="https://docs.oracle.com/javase/8/docs/api/java/util/stream/LongStream.html?is-external=true" title="class or interface in java.util.stream">LongStream</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixDatagen.html#computeNNZperBlock-long-long-int-double-">computeNNZperBlock</a></span>(long nrow, |
| long ncol, |
| int blen, |
| double sparsity)</code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> </div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/sysds/runtime/matrix/data/RandomMatrixGenerator.html" title="class in org.apache.sysds.runtime.matrix.data">RandomMatrixGenerator</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixDatagen.html#createRandomMatrixGenerator-java.lang.String-int-int-int-double-double-double-java.lang.String-">createRandomMatrixGenerator</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> pdfStr, |
| int r, |
| int c, |
| int blen, |
| double sp, |
| double min, |
| double max, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> distParams)</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixDatagen.html#generateRandomMatrix-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.RandomMatrixGenerator-org.apache.commons.math3.random.Well1024a-long-">generateRandomMatrix</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a> out, |
| <a href="../../../../../../org/apache/sysds/runtime/matrix/data/RandomMatrixGenerator.html" title="class in org.apache.sysds.runtime.matrix.data">RandomMatrixGenerator</a> rgen, |
| org.apache.commons.math3.random.Well1024a bigrand, |
| long bSeed)</code> |
| <div class="block">Function to generate a matrix of random numbers.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixDatagen.html#generateRandomMatrix-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.RandomMatrixGenerator-org.apache.commons.math3.random.Well1024a-long-int-">generateRandomMatrix</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a> out, |
| <a href="../../../../../../org/apache/sysds/runtime/matrix/data/RandomMatrixGenerator.html" title="class in org.apache.sysds.runtime.matrix.data">RandomMatrixGenerator</a> rgen, |
| org.apache.commons.math3.random.Well1024a bigrand, |
| long bSeed, |
| int k)</code> |
| <div class="block">Function to generate a matrix of random numbers.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixDatagen.html#generateSample-org.apache.sysds.runtime.matrix.data.MatrixBlock-long-int-boolean-long-">generateSample</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a> out, |
| long range, |
| int size, |
| boolean replace, |
| long seed)</code> |
| <div class="block">Generates a sample of size <code>size</code> from a range of values [1,range].</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixDatagen.html#generateSequence-org.apache.sysds.runtime.matrix.data.MatrixBlock-double-double-double-">generateSequence</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a> out, |
| double from, |
| double to, |
| double incr)</code> |
| <div class="block">Method to generate a sequence according to the given parameters.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixDatagen.html#generateUniqueSeedPath-java.lang.String-">generateUniqueSeedPath</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> basedir)</code> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixDatagen.html#isShortcutRandOperation-double-double-double-org.apache.sysds.runtime.matrix.data.RandomMatrixGenerator.PDF-">isShortcutRandOperation</a></span>(double min, |
| double max, |
| double sparsity, |
| org.apache.sysds.runtime.matrix.data.RandomMatrixGenerator.PDF pdf)</code> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>static org.apache.commons.math3.random.Well1024a</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixDatagen.html#setupSeedsForRand-long-">setupSeedsForRand</a></span>(long seed)</code> |
| <div class="block">A matrix of random numbers is generated by using multiple seeds, one for each |
| block.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>static double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixDatagen.html#updateSeqIncr-double-double-double-">updateSeqIncr</a></span>(double seq_from, |
| double seq_to, |
| double seq_incr)</code> </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class 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#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#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> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ METHOD DETAIL ========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.detail"> |
| <!-- --> |
| </a> |
| <h3>Method Detail</h3> |
| <a name="isShortcutRandOperation-double-double-double-org.apache.sysds.runtime.matrix.data.RandomMatrixGenerator.PDF-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isShortcutRandOperation</h4> |
| <pre>public static boolean isShortcutRandOperation(double min, |
| double max, |
| double sparsity, |
| org.apache.sysds.runtime.matrix.data.RandomMatrixGenerator.PDF pdf)</pre> |
| </li> |
| </ul> |
| <a name="updateSeqIncr-double-double-double-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>updateSeqIncr</h4> |
| <pre>public static double updateSeqIncr(double seq_from, |
| double seq_to, |
| double seq_incr)</pre> |
| </li> |
| </ul> |
| <a name="generateUniqueSeedPath-java.lang.String-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>generateUniqueSeedPath</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> generateUniqueSeedPath(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> basedir)</pre> |
| </li> |
| </ul> |
| <a name="setupSeedsForRand-long-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setupSeedsForRand</h4> |
| <pre>public static org.apache.commons.math3.random.Well1024a setupSeedsForRand(long seed)</pre> |
| <div class="block">A matrix of random numbers is generated by using multiple seeds, one for each |
| block. Such block-level seeds are produced via Well equidistributed long-period linear |
| generator (Well1024a). For a given seed, this function sets up the block-level seeds. |
| |
| This function is invoked from both CP (RandCPInstruction.processInstruction()) |
| as well as MR (RandMR.java while setting up the Rand job).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>seed</code> - seed for random generator</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Well1024a pseudo-random number generator</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="computeNNZperBlock-long-long-int-double-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>computeNNZperBlock</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a> |
| public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/stream/LongStream.html?is-external=true" title="class or interface in java.util.stream">LongStream</a> computeNNZperBlock(long nrow, |
| long ncol, |
| int blen, |
| double sparsity)</pre> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> </div> |
| </li> |
| </ul> |
| <a name="createRandomMatrixGenerator-java.lang.String-int-int-int-double-double-double-java.lang.String-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>createRandomMatrixGenerator</h4> |
| <pre>public static <a href="../../../../../../org/apache/sysds/runtime/matrix/data/RandomMatrixGenerator.html" title="class in org.apache.sysds.runtime.matrix.data">RandomMatrixGenerator</a> createRandomMatrixGenerator(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> pdfStr, |
| int r, |
| int c, |
| int blen, |
| double sp, |
| double min, |
| double max, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> distParams)</pre> |
| </li> |
| </ul> |
| <a name="generateRandomMatrix-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.RandomMatrixGenerator-org.apache.commons.math3.random.Well1024a-long-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>generateRandomMatrix</h4> |
| <pre>public static void generateRandomMatrix(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a> out, |
| <a href="../../../../../../org/apache/sysds/runtime/matrix/data/RandomMatrixGenerator.html" title="class in org.apache.sysds.runtime.matrix.data">RandomMatrixGenerator</a> rgen, |
| org.apache.commons.math3.random.Well1024a bigrand, |
| long bSeed)</pre> |
| <div class="block">Function to generate a matrix of random numbers. This is invoked both |
| from CP as well as from MR. In case of CP, it generates an entire matrix |
| block-by-block. A <code>bigrand</code> is passed so that block-level |
| seeds are generated internally. In case of MR, it generates a single |
| block for given block-level seed <code>bSeed</code>. |
| |
| When pdf="uniform", cell values are drawn from uniform distribution in |
| range <code>[min,max]</code>. |
| |
| When pdf="normal", cell values are drawn from standard normal |
| distribution N(0,1). The range of generated values will always be |
| (-Inf,+Inf).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>out</code> - output matrix block</dd> |
| <dd><code>rgen</code> - random matrix generator</dd> |
| <dd><code>bigrand</code> - Well1024a pseudo-random number generator</dd> |
| <dd><code>bSeed</code> - seed for random generator</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="generateRandomMatrix-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.RandomMatrixGenerator-org.apache.commons.math3.random.Well1024a-long-int-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>generateRandomMatrix</h4> |
| <pre>public static void generateRandomMatrix(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a> out, |
| <a href="../../../../../../org/apache/sysds/runtime/matrix/data/RandomMatrixGenerator.html" title="class in org.apache.sysds.runtime.matrix.data">RandomMatrixGenerator</a> rgen, |
| org.apache.commons.math3.random.Well1024a bigrand, |
| long bSeed, |
| int k)</pre> |
| <div class="block">Function to generate a matrix of random numbers. This is invoked both |
| from CP as well as from MR. In case of CP, it generates an entire matrix |
| block-by-block. A <code>bigrand</code> is passed so that block-level |
| seeds are generated internally. In case of MR, it generates a single |
| block for given block-level seed <code>bSeed</code>. |
| |
| When pdf="uniform", cell values are drawn from uniform distribution in |
| range <code>[min,max]</code>. |
| |
| When pdf="normal", cell values are drawn from standard normal |
| distribution N(0,1). The range of generated values will always be |
| (-Inf,+Inf).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>out</code> - output matrix block</dd> |
| <dd><code>rgen</code> - random matrix generator</dd> |
| <dd><code>bigrand</code> - Well1024a pseudo-random number generator</dd> |
| <dd><code>bSeed</code> - seed for random generator</dd> |
| <dd><code>k</code> - ?</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="generateSequence-org.apache.sysds.runtime.matrix.data.MatrixBlock-double-double-double-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>generateSequence</h4> |
| <pre>public static void generateSequence(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a> out, |
| double from, |
| double to, |
| double incr)</pre> |
| <div class="block">Method to generate a sequence according to the given parameters. The |
| generated sequence is always in dense format. |
| |
| Both end points specified <code>from</code> and <code>to</code> must be |
| included in the generated sequence i.e., [from,to] both inclusive. Note |
| that, <code>to</code> is included only if (to-from) is perfectly |
| divisible by <code>incr</code>. |
| |
| For example, seq(0,1,0.5) generates (0.0 0.5 1.0) |
| whereas seq(0,1,0.6) generates (0.0 0.6) but not (0.0 0.6 1.0)</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>out</code> - output matrix block</dd> |
| <dd><code>from</code> - lower end point</dd> |
| <dd><code>to</code> - upper end point</dd> |
| <dd><code>incr</code> - increment value</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="generateSample-org.apache.sysds.runtime.matrix.data.MatrixBlock-long-int-boolean-long-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>generateSample</h4> |
| <pre>public static void generateSample(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a> out, |
| long range, |
| int size, |
| boolean replace, |
| long seed)</pre> |
| <div class="block">Generates a sample of size <code>size</code> from a range of values [1,range]. |
| <code>replace</code> defines if sampling is done with or without replacement.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>out</code> - output matrix block</dd> |
| <dd><code>range</code> - range upper bound</dd> |
| <dd><code>size</code> - sample size</dd> |
| <dd><code>replace</code> - if true, sample with replacement</dd> |
| <dd><code>seed</code> - seed for random generator</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| </div> |
| <!-- ========= END OF CLASS DATA ========= --> |
| <!-- ======= START OF BOTTOM NAVBAR ====== --> |
| <div class="bottomNav"><a name="navbar.bottom"> |
| <!-- --> |
| </a> |
| <div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div> |
| <a name="navbar.bottom.firstrow"> |
| <!-- --> |
| </a> |
| <ul class="navList" title="Navigation"> |
| <li><a href="../../../../../../overview-summary.html">Overview</a></li> |
| <li><a href="package-summary.html">Package</a></li> |
| <li class="navBarCell1Rev">Class</li> |
| <li><a href="class-use/LibMatrixDatagen.html">Use</a></li> |
| <li><a href="package-tree.html">Tree</a></li> |
| <li><a href="../../../../../../deprecated-list.html">Deprecated</a></li> |
| <li><a href="../../../../../../index-all.html">Index</a></li> |
| <li><a href="../../../../../../help-doc.html">Help</a></li> |
| </ul> |
| </div> |
| <div class="subNav"> |
| <ul class="navList"> |
| <li><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixCuMatMult.html" title="class in org.apache.sysds.runtime.matrix.data"><span class="typeNameLink">Prev Class</span></a></li> |
| <li><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixDNN.html" title="class in org.apache.sysds.runtime.matrix.data"><span class="typeNameLink">Next Class</span></a></li> |
| </ul> |
| <ul class="navList"> |
| <li><a href="../../../../../../index.html?org/apache/sysds/runtime/matrix/data/LibMatrixDatagen.html" target="_top">Frames</a></li> |
| <li><a href="LibMatrixDatagen.html" target="_top">No Frames</a></li> |
| </ul> |
| <ul class="navList" id="allclasses_navbar_bottom"> |
| <li><a href="../../../../../../allclasses-noframe.html">All Classes</a></li> |
| </ul> |
| <div> |
| <script type="text/javascript"><!-- |
| allClassesLink = document.getElementById("allclasses_navbar_bottom"); |
| if(window==top) { |
| allClassesLink.style.display = "block"; |
| } |
| else { |
| allClassesLink.style.display = "none"; |
| } |
| //--> |
| </script> |
| </div> |
| <div> |
| <ul class="subNavList"> |
| <li>Summary: </li> |
| <li>Nested | </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.summary">Method</a></li> |
| </ul> |
| <ul class="subNavList"> |
| <li>Detail: </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.detail">Method</a></li> |
| </ul> |
| </div> |
| <a name="skip.navbar.bottom"> |
| <!-- --> |
| </a></div> |
| <!-- ======== END OF BOTTOM NAVBAR ======= --> |
| <p class="legalCopy"><small>Copyright © 2020 <a href="https://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</small></p> |
| </body> |
| </html> |