| <!DOCTYPE HTML> |
| <html lang="de"> |
| <head> |
| <!-- Generated by javadoc (17) --> |
| <title>QNMinimizer (Apache OpenNLP Tools 2.3.3 API)</title> |
| <meta name="viewport" content="width=device-width, initial-scale=1"> |
| <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> |
| <meta name="description" content="declaration: package: opennlp.tools.ml.maxent.quasinewton, class: QNMinimizer"> |
| <meta name="generator" content="javadoc/ClassWriterImpl"> |
| <link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style"> |
| <link rel="stylesheet" type="text/css" href="../../../../../script-dir/jquery-ui.min.css" title="Style"> |
| <link rel="stylesheet" type="text/css" href="../../../../../jquery-ui.overrides.css" title="Style"> |
| <script type="text/javascript" src="../../../../../script.js"></script> |
| <script type="text/javascript" src="../../../../../script-dir/jquery-3.6.1.min.js"></script> |
| <script type="text/javascript" src="../../../../../script-dir/jquery-ui.min.js"></script> |
| </head> |
| <body class="class-declaration-page"> |
| <script type="text/javascript">var evenRowColor = "even-row-color"; |
| var oddRowColor = "odd-row-color"; |
| var tableTab = "table-tab"; |
| var activeTableTab = "active-table-tab"; |
| var pathtoroot = "../../../../../"; |
| loadScripts(document, 'script');</script> |
| <noscript> |
| <div>JavaScript is disabled on your browser.</div> |
| </noscript> |
| <div class="flex-box"> |
| <header role="banner" class="flex-header"> |
| <nav role="navigation"> |
| <!-- ========= START OF TOP NAVBAR ======= --> |
| <div class="top-nav" id="navbar-top"> |
| <div class="skip-nav"><a href="#skip-navbar-top" title="Skip navigation links">Skip navigation links</a></div> |
| <ul id="navbar-top-firstrow" class="nav-list" title="Navigation"> |
| <li><a href="../../../../../index.html">Overview</a></li> |
| <li><a href="package-summary.html">Package</a></li> |
| <li class="nav-bar-cell1-rev">Class</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#class">Help</a></li> |
| </ul> |
| </div> |
| <div class="sub-nav"> |
| <div> |
| <ul class="sub-nav-list"> |
| <li>Summary: </li> |
| <li><a href="#nested-class-summary">Nested</a> | </li> |
| <li><a href="#field-summary">Field</a> | </li> |
| <li><a href="#constructor-summary">Constr</a> | </li> |
| <li><a href="#method-summary">Method</a></li> |
| </ul> |
| <ul class="sub-nav-list"> |
| <li>Detail: </li> |
| <li><a href="#field-detail">Field</a> | </li> |
| <li><a href="#constructor-detail">Constr</a> | </li> |
| <li><a href="#method-detail">Method</a></li> |
| </ul> |
| </div> |
| <div class="nav-list-search"><label for="search-input">SEARCH:</label> |
| <input type="text" id="search-input" value="search" disabled="disabled"> |
| <input type="reset" id="reset-button" value="reset" disabled="disabled"> |
| </div> |
| </div> |
| <!-- ========= END OF TOP NAVBAR ========= --> |
| <span class="skip-nav" id="skip-navbar-top"></span></nav> |
| </header> |
| <div class="flex-content"> |
| <main role="main"> |
| <!-- ======== START OF CLASS DATA ======== --> |
| <div class="header"> |
| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">opennlp.tools.ml.maxent.quasinewton</a></div> |
| <h1 title="Class QNMinimizer" class="title">Class QNMinimizer</h1> |
| </div> |
| <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a> |
| <div class="inheritance">opennlp.tools.ml.maxent.quasinewton.QNMinimizer</div> |
| </div> |
| <section class="class-description" id="class-description"> |
| <hr> |
| <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">QNMinimizer</span> |
| <span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></span></div> |
| <div class="block">Implementation of L-BFGS which supports L1-, L2-regularization |
| and Elastic Net for solving convex optimization problems. |
| |
| <p> |
| Usage example: |
| <blockquote><pre> |
| // Quadratic function f(x) = (x-1)^2 + 10 |
| // f obtains its minimum value 10 at x = 1 |
| Function f = new Function() { |
| |
| @Override |
| public int getDimension() { |
| return 1; |
| } |
| |
| @Override |
| public double valueAt(double[] x) { |
| return StrictMath.pow(x[0]-1, 2) + 10; |
| } |
| |
| @Override |
| public double[] gradientAt(double[] x) { |
| return new double[] { 2*(x[0]-1) }; |
| } |
| |
| }; |
| |
| QNMinimizer minimizer = new QNMinimizer(); |
| double[] x = minimizer.minimize(f); |
| double min = f.valueAt(x); |
| </pre></blockquote></div> |
| </section> |
| <section class="summary"> |
| <ul class="summary-list"> |
| <!-- ======== NESTED CLASS SUMMARY ======== --> |
| <li> |
| <section class="nested-class-summary" id="nested-class-summary"> |
| <h2>Nested Class Summary</h2> |
| <div class="caption"><span>Nested Classes</span></div> |
| <div class="summary-table three-column-summary"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Class</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code>static interface </code></div> |
| <div class="col-second even-row-color"><code><a href="QNMinimizer.Evaluator.html" class="type-name-link" title="interface in opennlp.tools.ml.maxent.quasinewton">QNMinimizer.Evaluator</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Evaluate quality of training parameters.</div> |
| </div> |
| <div class="col-first odd-row-color"><code>static class </code></div> |
| <div class="col-second odd-row-color"><code><a href="QNMinimizer.L2RegFunction.html" class="type-name-link" title="class in opennlp.tools.ml.maxent.quasinewton">QNMinimizer.L2RegFunction</a></code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">L2-regularized objective <a href="Function.html" title="interface in opennlp.tools.ml.maxent.quasinewton"><code>Function</code></a>.</div> |
| </div> |
| </div> |
| </section> |
| </li> |
| <!-- =========== FIELD SUMMARY =========== --> |
| <li> |
| <section class="field-summary" id="field-summary"> |
| <h2>Field Summary</h2> |
| <div class="caption"><span>Fields</span></div> |
| <div class="summary-table three-column-summary"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Field</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code>static final double</code></div> |
| <div class="col-second even-row-color"><code><a href="#CONVERGE_TOLERANCE" class="member-name-link">CONVERGE_TOLERANCE</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| <div class="col-first odd-row-color"><code>static final double</code></div> |
| <div class="col-second odd-row-color"><code><a href="#INITIAL_STEP_SIZE" class="member-name-link">INITIAL_STEP_SIZE</a></code></div> |
| <div class="col-last odd-row-color"> </div> |
| <div class="col-first even-row-color"><code>static final double</code></div> |
| <div class="col-second even-row-color"><code><a href="#L1COST_DEFAULT" class="member-name-link">L1COST_DEFAULT</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| <div class="col-first odd-row-color"><code>static final double</code></div> |
| <div class="col-second odd-row-color"><code><a href="#L2COST_DEFAULT" class="member-name-link">L2COST_DEFAULT</a></code></div> |
| <div class="col-last odd-row-color"> </div> |
| <div class="col-first even-row-color"><code>static final int</code></div> |
| <div class="col-second even-row-color"><code><a href="#M_DEFAULT" class="member-name-link">M_DEFAULT</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| <div class="col-first odd-row-color"><code>static final int</code></div> |
| <div class="col-second odd-row-color"><code><a href="#MAX_FCT_EVAL_DEFAULT" class="member-name-link">MAX_FCT_EVAL_DEFAULT</a></code></div> |
| <div class="col-last odd-row-color"> </div> |
| <div class="col-first even-row-color"><code>static final double</code></div> |
| <div class="col-second even-row-color"><code><a href="#MIN_STEP_SIZE" class="member-name-link">MIN_STEP_SIZE</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| <div class="col-first odd-row-color"><code>static final int</code></div> |
| <div class="col-second odd-row-color"><code><a href="#NUM_ITERATIONS_DEFAULT" class="member-name-link">NUM_ITERATIONS_DEFAULT</a></code></div> |
| <div class="col-last odd-row-color"> </div> |
| <div class="col-first even-row-color"><code>static final double</code></div> |
| <div class="col-second even-row-color"><code><a href="#REL_GRAD_NORM_TOL" class="member-name-link">REL_GRAD_NORM_TOL</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| </div> |
| </section> |
| </li> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| <li> |
| <section class="constructor-summary" id="constructor-summary"> |
| <h2>Constructor Summary</h2> |
| <div class="caption"><span>Constructors</span></div> |
| <div class="summary-table two-column-summary"> |
| <div class="table-header col-first">Constructor</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E()" class="member-name-link">QNMinimizer</a>()</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Initializes a <a href="QNMinimizer.html" title="class in opennlp.tools.ml.maxent.quasinewton"><code>QNMinimizer</code></a> with default parameters.</div> |
| </div> |
| <div class="col-constructor-name odd-row-color"><code><a href="#%3Cinit%3E(double,double)" class="member-name-link">QNMinimizer</a><wbr>(double l1Cost, |
| double l2Cost)</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Initializes a <a href="QNMinimizer.html" title="class in opennlp.tools.ml.maxent.quasinewton"><code>QNMinimizer</code></a>.</div> |
| </div> |
| <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(double,double,int)" class="member-name-link">QNMinimizer</a><wbr>(double l1Cost, |
| double l2Cost, |
| int iterations)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Initializes a <a href="QNMinimizer.html" title="class in opennlp.tools.ml.maxent.quasinewton"><code>QNMinimizer</code></a>.</div> |
| </div> |
| <div class="col-constructor-name odd-row-color"><code><a href="#%3Cinit%3E(double,double,int,int,int)" class="member-name-link">QNMinimizer</a><wbr>(double l1Cost, |
| double l2Cost, |
| int iterations, |
| int m, |
| int maxFctEval)</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Initializes a <a href="QNMinimizer.html" title="class in opennlp.tools.ml.maxent.quasinewton"><code>QNMinimizer</code></a>.</div> |
| </div> |
| </div> |
| </section> |
| </li> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <li> |
| <section class="method-summary" id="method-summary"> |
| <h2>Method Summary</h2> |
| <div id="method-summary-table"> |
| <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div> |
| <div id="method-summary-table.tabpanel" role="tabpanel"> |
| <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Method</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="QNMinimizer.Evaluator.html" title="interface in opennlp.tools.ml.maxent.quasinewton">QNMinimizer.Evaluator</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getEvaluator()" class="member-name-link">getEvaluator</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>double[]</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#minimize(opennlp.tools.ml.maxent.quasinewton.Function)" class="member-name-link">minimize</a><wbr>(<a href="Function.html" title="interface in opennlp.tools.ml.maxent.quasinewton">Function</a> function)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Finds the parameters that minimize the objective function.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setEvaluator(opennlp.tools.ml.maxent.quasinewton.QNMinimizer.Evaluator)" class="member-name-link">setEvaluator</a><wbr>(<a href="QNMinimizer.Evaluator.html" title="interface in opennlp.tools.ml.maxent.quasinewton">QNMinimizer.Evaluator</a> evaluator)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3> |
| <code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <li> |
| <section class="field-details" id="field-detail"> |
| <h2>Field Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="CONVERGE_TOLERANCE"> |
| <h3>CONVERGE_TOLERANCE</h3> |
| <div class="member-signature"><span class="modifiers">public static final</span> <span class="return-type">double</span> <span class="element-name">CONVERGE_TOLERANCE</span></div> |
| <dl class="notes"> |
| <dt>See Also:</dt> |
| <dd> |
| <ul class="see-list"> |
| <li><a href="../../../../../constant-values.html#opennlp.tools.ml.maxent.quasinewton.QNMinimizer.CONVERGE_TOLERANCE">Constant Field Values</a></li> |
| </ul> |
| </dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="REL_GRAD_NORM_TOL"> |
| <h3>REL_GRAD_NORM_TOL</h3> |
| <div class="member-signature"><span class="modifiers">public static final</span> <span class="return-type">double</span> <span class="element-name">REL_GRAD_NORM_TOL</span></div> |
| <dl class="notes"> |
| <dt>See Also:</dt> |
| <dd> |
| <ul class="see-list"> |
| <li><a href="../../../../../constant-values.html#opennlp.tools.ml.maxent.quasinewton.QNMinimizer.REL_GRAD_NORM_TOL">Constant Field Values</a></li> |
| </ul> |
| </dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="INITIAL_STEP_SIZE"> |
| <h3>INITIAL_STEP_SIZE</h3> |
| <div class="member-signature"><span class="modifiers">public static final</span> <span class="return-type">double</span> <span class="element-name">INITIAL_STEP_SIZE</span></div> |
| <dl class="notes"> |
| <dt>See Also:</dt> |
| <dd> |
| <ul class="see-list"> |
| <li><a href="../../../../../constant-values.html#opennlp.tools.ml.maxent.quasinewton.QNMinimizer.INITIAL_STEP_SIZE">Constant Field Values</a></li> |
| </ul> |
| </dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="MIN_STEP_SIZE"> |
| <h3>MIN_STEP_SIZE</h3> |
| <div class="member-signature"><span class="modifiers">public static final</span> <span class="return-type">double</span> <span class="element-name">MIN_STEP_SIZE</span></div> |
| <dl class="notes"> |
| <dt>See Also:</dt> |
| <dd> |
| <ul class="see-list"> |
| <li><a href="../../../../../constant-values.html#opennlp.tools.ml.maxent.quasinewton.QNMinimizer.MIN_STEP_SIZE">Constant Field Values</a></li> |
| </ul> |
| </dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="L1COST_DEFAULT"> |
| <h3>L1COST_DEFAULT</h3> |
| <div class="member-signature"><span class="modifiers">public static final</span> <span class="return-type">double</span> <span class="element-name">L1COST_DEFAULT</span></div> |
| <dl class="notes"> |
| <dt>See Also:</dt> |
| <dd> |
| <ul class="see-list"> |
| <li><a href="../../../../../constant-values.html#opennlp.tools.ml.maxent.quasinewton.QNMinimizer.L1COST_DEFAULT">Constant Field Values</a></li> |
| </ul> |
| </dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="L2COST_DEFAULT"> |
| <h3>L2COST_DEFAULT</h3> |
| <div class="member-signature"><span class="modifiers">public static final</span> <span class="return-type">double</span> <span class="element-name">L2COST_DEFAULT</span></div> |
| <dl class="notes"> |
| <dt>See Also:</dt> |
| <dd> |
| <ul class="see-list"> |
| <li><a href="../../../../../constant-values.html#opennlp.tools.ml.maxent.quasinewton.QNMinimizer.L2COST_DEFAULT">Constant Field Values</a></li> |
| </ul> |
| </dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="NUM_ITERATIONS_DEFAULT"> |
| <h3>NUM_ITERATIONS_DEFAULT</h3> |
| <div class="member-signature"><span class="modifiers">public static final</span> <span class="return-type">int</span> <span class="element-name">NUM_ITERATIONS_DEFAULT</span></div> |
| <dl class="notes"> |
| <dt>See Also:</dt> |
| <dd> |
| <ul class="see-list"> |
| <li><a href="../../../../../constant-values.html#opennlp.tools.ml.maxent.quasinewton.QNMinimizer.NUM_ITERATIONS_DEFAULT">Constant Field Values</a></li> |
| </ul> |
| </dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="M_DEFAULT"> |
| <h3>M_DEFAULT</h3> |
| <div class="member-signature"><span class="modifiers">public static final</span> <span class="return-type">int</span> <span class="element-name">M_DEFAULT</span></div> |
| <dl class="notes"> |
| <dt>See Also:</dt> |
| <dd> |
| <ul class="see-list"> |
| <li><a href="../../../../../constant-values.html#opennlp.tools.ml.maxent.quasinewton.QNMinimizer.M_DEFAULT">Constant Field Values</a></li> |
| </ul> |
| </dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="MAX_FCT_EVAL_DEFAULT"> |
| <h3>MAX_FCT_EVAL_DEFAULT</h3> |
| <div class="member-signature"><span class="modifiers">public static final</span> <span class="return-type">int</span> <span class="element-name">MAX_FCT_EVAL_DEFAULT</span></div> |
| <dl class="notes"> |
| <dt>See Also:</dt> |
| <dd> |
| <ul class="see-list"> |
| <li><a href="../../../../../constant-values.html#opennlp.tools.ml.maxent.quasinewton.QNMinimizer.MAX_FCT_EVAL_DEFAULT">Constant Field Values</a></li> |
| </ul> |
| </dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <li> |
| <section class="constructor-details" id="constructor-detail"> |
| <h2>Constructor Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="<init>()"> |
| <h3>QNMinimizer</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name">QNMinimizer</span>()</div> |
| <div class="block">Initializes a <a href="QNMinimizer.html" title="class in opennlp.tools.ml.maxent.quasinewton"><code>QNMinimizer</code></a> with default parameters.</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="<init>(double,double)"> |
| <h3>QNMinimizer</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name">QNMinimizer</span><wbr><span class="parameters">(double l1Cost, |
| double l2Cost)</span></div> |
| <div class="block">Initializes a <a href="QNMinimizer.html" title="class in opennlp.tools.ml.maxent.quasinewton"><code>QNMinimizer</code></a>.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>l1Cost</code> - The L1-regularization cost.</dd> |
| <dd><code>l2Cost</code> - The L2-regularization cost.</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="<init>(double,double,int)"> |
| <h3>QNMinimizer</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name">QNMinimizer</span><wbr><span class="parameters">(double l1Cost, |
| double l2Cost, |
| int iterations)</span></div> |
| <div class="block">Initializes a <a href="QNMinimizer.html" title="class in opennlp.tools.ml.maxent.quasinewton"><code>QNMinimizer</code></a>.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>l1Cost</code> - The L1-regularization cost.</dd> |
| <dd><code>l2Cost</code> - The L2-regularization cost.</dd> |
| <dd><code>iterations</code> - The maximum number of iterations.</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="<init>(double,double,int,int,int)"> |
| <h3>QNMinimizer</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name">QNMinimizer</span><wbr><span class="parameters">(double l1Cost, |
| double l2Cost, |
| int iterations, |
| int m, |
| int maxFctEval)</span></div> |
| <div class="block">Initializes a <a href="QNMinimizer.html" title="class in opennlp.tools.ml.maxent.quasinewton"><code>QNMinimizer</code></a>.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>l1Cost</code> - The L1-regularization cost.</dd> |
| <dd><code>l2Cost</code> - The L2-regularization cost.</dd> |
| <dd><code>iterations</code> - The maximum number of iterations.</dd> |
| <dd><code>m</code> - The number of Hessian updates to store.</dd> |
| <dd><code>maxFctEval</code> - The maximum number of function evaluations.</dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method-detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="getEvaluator()"> |
| <h3>getEvaluator</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="QNMinimizer.Evaluator.html" title="interface in opennlp.tools.ml.maxent.quasinewton">QNMinimizer.Evaluator</a></span> <span class="element-name">getEvaluator</span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="setEvaluator(opennlp.tools.ml.maxent.quasinewton.QNMinimizer.Evaluator)"> |
| <h3>setEvaluator</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">setEvaluator</span><wbr><span class="parameters">(<a href="QNMinimizer.Evaluator.html" title="interface in opennlp.tools.ml.maxent.quasinewton">QNMinimizer.Evaluator</a> evaluator)</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="minimize(opennlp.tools.ml.maxent.quasinewton.Function)"> |
| <h3>minimize</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">double[]</span> <span class="element-name">minimize</span><wbr><span class="parameters">(<a href="Function.html" title="interface in opennlp.tools.ml.maxent.quasinewton">Function</a> function)</span></div> |
| <div class="block">Finds the parameters that minimize the objective function.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>function</code> - The objective <a href="Function.html" title="interface in opennlp.tools.ml.maxent.quasinewton"><code>Function</code></a>.</dd> |
| <dt>Returns:</dt> |
| <dd>The minimizing parameters.</dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <!-- ========= END OF CLASS DATA ========= --> |
| </main> |
| <footer role="contentinfo"> |
| <hr> |
| <p class="legal-copy"><small>Copyright © 2023 <a href="https://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</small></p> |
| </footer> |
| </div> |
| </div> |
| </body> |
| </html> |
