blob: 16991a833bd215a9e2d43ec5bd2d6a1d88a70b6b [file] [log] [blame]
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<!-- NewPage -->
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html" charset="UTF-8">
<title>LeastSquaresProblem (Apache Commons Math 3.3 API)</title>
<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style">
</head>
<body>
<script type="text/javascript"><!--
if (location.href.indexOf('is-external=true') == -1) {
parent.document.title="LeastSquaresProblem (Apache Commons Math 3.3 API)";
}
//-->
</script>
<noscript>
<div>JavaScript is disabled on your browser.</div>
</noscript>
<!-- ========= START OF TOP NAVBAR ======= -->
<div class="topNav"><a name="navbar_top">
<!-- -->
</a><a href="#skip-navbar_top" title="Skip navigation links"></a><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/LeastSquaresProblem.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 class="aboutLanguage"><em><script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script></em></div>
</div>
<div class="subNav">
<ul class="navList">
<li><a href="../../../../../../org/apache/commons/math3/fitting/leastsquares/LeastSquaresOptimizer.Optimum.html" title="interface in org.apache.commons.math3.fitting.leastsquares"><span class="strong">Prev Class</span></a></li>
<li><a href="../../../../../../org/apache/commons/math3/fitting/leastsquares/LeastSquaresProblem.Evaluation.html" title="interface in org.apache.commons.math3.fitting.leastsquares"><span class="strong">Next Class</span></a></li>
</ul>
<ul class="navList">
<li><a href="../../../../../../index.html?org/apache/commons/math3/fitting/leastsquares/LeastSquaresProblem.html" target="_top">Frames</a></li>
<li><a href="LeastSquaresProblem.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:&nbsp;</li>
<li><a href="#nested_class_summary">Nested</a>&nbsp;|&nbsp;</li>
<li>Field&nbsp;|&nbsp;</li>
<li>Constr&nbsp;|&nbsp;</li>
<li><a href="#method_summary">Method</a></li>
</ul>
<ul class="subNavList">
<li>Detail:&nbsp;</li>
<li>Field&nbsp;|&nbsp;</li>
<li>Constr&nbsp;|&nbsp;</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.commons.math3.fitting.leastsquares</div>
<h2 title="Interface LeastSquaresProblem" class="title">Interface LeastSquaresProblem</h2>
</div>
<div class="contentContainer">
<div class="description">
<ul class="blockList">
<li class="blockList">
<dl>
<dt>All Superinterfaces:</dt>
<dd><a href="../../../../../../org/apache/commons/math3/optim/OptimizationProblem.html" title="interface in org.apache.commons.math3.optim">OptimizationProblem</a>&lt;<a href="../../../../../../org/apache/commons/math3/fitting/leastsquares/LeastSquaresProblem.Evaluation.html" title="interface in org.apache.commons.math3.fitting.leastsquares">LeastSquaresProblem.Evaluation</a>&gt;</dd>
</dl>
<dl>
<dt>All Known Implementing Classes:</dt>
<dd><a href="../../../../../../org/apache/commons/math3/fitting/leastsquares/LeastSquaresAdapter.html" title="class in org.apache.commons.math3.fitting.leastsquares">LeastSquaresAdapter</a></dd>
</dl>
<hr>
<br>
<pre>public interface <span class="strong">LeastSquaresProblem</span>
extends <a href="../../../../../../org/apache/commons/math3/optim/OptimizationProblem.html" title="interface in org.apache.commons.math3.optim">OptimizationProblem</a>&lt;<a href="../../../../../../org/apache/commons/math3/fitting/leastsquares/LeastSquaresProblem.Evaluation.html" title="interface in org.apache.commons.math3.fitting.leastsquares">LeastSquaresProblem.Evaluation</a>&gt;</pre>
<div class="block">The data necessary to define a non-linear least squares problem.
<p>
Includes the observed values, computed model function, and
convergence/divergence criteria. Weights are implicit in <a href="../../../../../../org/apache/commons/math3/fitting/leastsquares/LeastSquaresProblem.Evaluation.html#getResiduals()"><code>LeastSquaresProblem.Evaluation.getResiduals()</code></a> and <a href="../../../../../../org/apache/commons/math3/fitting/leastsquares/LeastSquaresProblem.Evaluation.html#getJacobian()"><code>LeastSquaresProblem.Evaluation.getJacobian()</code></a>.
</p>
<p>
Instances are typically either created progressively using a <a href="../../../../../../org/apache/commons/math3/fitting/leastsquares/LeastSquaresBuilder.html" title="class in org.apache.commons.math3.fitting.leastsquares"><code>builder</code></a> or created at once using a <a href="../../../../../../org/apache/commons/math3/fitting/leastsquares/LeastSquaresFactory.html" title="class in org.apache.commons.math3.fitting.leastsquares"><code>factory</code></a>.
</p></div>
<dl><dt><span class="strong">Since:</span></dt>
<dd>3.3</dd>
<dt><span class="strong">Version:</span></dt>
<dd>$Id: LeastSquaresProblem.java 1571306 2014-02-24 14:57:44Z luc $</dd>
<dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../../org/apache/commons/math3/fitting/leastsquares/LeastSquaresBuilder.html" title="class in org.apache.commons.math3.fitting.leastsquares"><code>LeastSquaresBuilder</code></a>,
<a href="../../../../../../org/apache/commons/math3/fitting/leastsquares/LeastSquaresFactory.html" title="class in org.apache.commons.math3.fitting.leastsquares"><code>LeastSquaresFactory</code></a>,
<a href="../../../../../../org/apache/commons/math3/fitting/leastsquares/LeastSquaresAdapter.html" title="class in org.apache.commons.math3.fitting.leastsquares"><code>LeastSquaresAdapter</code></a></dd></dl>
</li>
</ul>
</div>
<div class="summary">
<ul class="blockList">
<li class="blockList">
<!-- ======== NESTED CLASS SUMMARY ======== -->
<ul class="blockList">
<li class="blockList"><a name="nested_class_summary">
<!-- -->
</a>
<h3>Nested Class Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Nested Class Summary table, listing nested classes, and an explanation">
<caption><span>Nested Classes</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Interface and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static interface&nbsp;</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/fitting/leastsquares/LeastSquaresProblem.Evaluation.html" title="interface in org.apache.commons.math3.fitting.leastsquares">LeastSquaresProblem.Evaluation</a></strong></code>
<div class="block">An evaluation of a <a href="../../../../../../org/apache/commons/math3/fitting/leastsquares/LeastSquaresProblem.html" title="interface in org.apache.commons.math3.fitting.leastsquares"><code>LeastSquaresProblem</code></a> at a particular point.</div>
</td>
</tr>
</table>
</li>
</ul>
<!-- ========== METHOD SUMMARY =========== -->
<ul class="blockList">
<li class="blockList"><a name="method_summary">
<!-- -->
</a>
<h3>Method Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/commons/math3/fitting/leastsquares/LeastSquaresProblem.Evaluation.html" title="interface in org.apache.commons.math3.fitting.leastsquares">LeastSquaresProblem.Evaluation</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/fitting/leastsquares/LeastSquaresProblem.html#evaluate(org.apache.commons.math3.linear.RealVector)">evaluate</a></strong>(<a href="../../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;point)</code>
<div class="block">Evaluate the model at the specified point.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/fitting/leastsquares/LeastSquaresProblem.html#getObservationSize()">getObservationSize</a></strong>()</code>
<div class="block">Get the number of observations (rows in the Jacobian) in this problem.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/fitting/leastsquares/LeastSquaresProblem.html#getParameterSize()">getParameterSize</a></strong>()</code>
<div class="block">Get the number of parameters (columns in the Jacobian) in this problem.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/fitting/leastsquares/LeastSquaresProblem.html#getStart()">getStart</a></strong>()</code>
<div class="block">Gets the initial guess.</div>
</td>
</tr>
</table>
<ul class="blockList">
<li class="blockList"><a name="methods_inherited_from_class_org.apache.commons.math3.optim.OptimizationProblem">
<!-- -->
</a>
<h3>Methods inherited from interface&nbsp;org.apache.commons.math3.optim.<a href="../../../../../../org/apache/commons/math3/optim/OptimizationProblem.html" title="interface in org.apache.commons.math3.optim">OptimizationProblem</a></h3>
<code><a href="../../../../../../org/apache/commons/math3/optim/OptimizationProblem.html#getConvergenceChecker()">getConvergenceChecker</a>, <a href="../../../../../../org/apache/commons/math3/optim/OptimizationProblem.html#getEvaluationCounter()">getEvaluationCounter</a>, <a href="../../../../../../org/apache/commons/math3/optim/OptimizationProblem.html#getIterationCounter()">getIterationCounter</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="getStart()">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>getStart</h4>
<pre><a href="../../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;getStart()</pre>
<div class="block">Gets the initial guess.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the initial guess values.</dd></dl>
</li>
</ul>
<a name="getObservationSize()">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>getObservationSize</h4>
<pre>int&nbsp;getObservationSize()</pre>
<div class="block">Get the number of observations (rows in the Jacobian) in this problem.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the number of scalar observations</dd></dl>
</li>
</ul>
<a name="getParameterSize()">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>getParameterSize</h4>
<pre>int&nbsp;getParameterSize()</pre>
<div class="block">Get the number of parameters (columns in the Jacobian) in this problem.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the number of scalar parameters</dd></dl>
</li>
</ul>
<a name="evaluate(org.apache.commons.math3.linear.RealVector)">
<!-- -->
</a>
<ul class="blockListLast">
<li class="blockList">
<h4>evaluate</h4>
<pre><a href="../../../../../../org/apache/commons/math3/fitting/leastsquares/LeastSquaresProblem.Evaluation.html" title="interface in org.apache.commons.math3.fitting.leastsquares">LeastSquaresProblem.Evaluation</a>&nbsp;evaluate(<a href="../../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;point)</pre>
<div class="block">Evaluate the model at the specified point.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>point</code> - the parameter values.</dd>
<dt><span class="strong">Returns:</span></dt><dd>the model's value and derivative at the given point.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../../org/apache/commons/math3/exception/TooManyEvaluationsException.html" title="class in org.apache.commons.math3.exception">TooManyEvaluationsException</a></code> - if the maximal number of evaluations (of the model vector function) is
exceeded.</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><a href="#skip-navbar_bottom" title="Skip navigation links"></a><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/LeastSquaresProblem.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 class="aboutLanguage"><em><script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script></em></div>
</div>
<div class="subNav">
<ul class="navList">
<li><a href="../../../../../../org/apache/commons/math3/fitting/leastsquares/LeastSquaresOptimizer.Optimum.html" title="interface in org.apache.commons.math3.fitting.leastsquares"><span class="strong">Prev Class</span></a></li>
<li><a href="../../../../../../org/apache/commons/math3/fitting/leastsquares/LeastSquaresProblem.Evaluation.html" title="interface in org.apache.commons.math3.fitting.leastsquares"><span class="strong">Next Class</span></a></li>
</ul>
<ul class="navList">
<li><a href="../../../../../../index.html?org/apache/commons/math3/fitting/leastsquares/LeastSquaresProblem.html" target="_top">Frames</a></li>
<li><a href="LeastSquaresProblem.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:&nbsp;</li>
<li><a href="#nested_class_summary">Nested</a>&nbsp;|&nbsp;</li>
<li>Field&nbsp;|&nbsp;</li>
<li>Constr&nbsp;|&nbsp;</li>
<li><a href="#method_summary">Method</a></li>
</ul>
<ul class="subNavList">
<li>Detail:&nbsp;</li>
<li>Field&nbsp;|&nbsp;</li>
<li>Constr&nbsp;|&nbsp;</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 &#169; 2003&#x2013;2014 <a href="http://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</small></p>
</body>
</html>