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<h1>itkSPSAOptimizer.h</h1><a href="itkSPSAOptimizer_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*=========================================================================</span>
<a name="l00002"></a>00002 <span class="comment"></span>
<a name="l00003"></a>00003 <span class="comment"> Program: Insight Segmentation & Registration Toolkit</span>
<a name="l00004"></a>00004 <span class="comment"> Module: $RCSfile: itkSPSAOptimizer.h,v $</span>
<a name="l00005"></a>00005 <span class="comment"> Language: C++</span>
<a name="l00006"></a>00006 <span class="comment"> Date: $Date: 2009-01-26 12:19:14 $</span>
<a name="l00007"></a>00007 <span class="comment"> Version: $Revision: 1.8 $</span>
<a name="l00008"></a>00008 <span class="comment"></span>
<a name="l00009"></a>00009 <span class="comment"> Copyright (c) Insight Software Consortium. All rights reserved.</span>
<a name="l00010"></a>00010 <span class="comment"> See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.</span>
<a name="l00011"></a>00011 <span class="comment"></span>
<a name="l00012"></a>00012 <span class="comment"> This software is distributed WITHOUT ANY WARRANTY; without even</span>
<a name="l00013"></a>00013 <span class="comment"> the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR</span>
<a name="l00014"></a>00014 <span class="comment"> PURPOSE. See the above copyright notices for more information.</span>
<a name="l00015"></a>00015 <span class="comment"></span>
<a name="l00016"></a>00016 <span class="comment">=========================================================================*/</span>
<a name="l00017"></a>00017 <span class="preprocessor">#ifndef __itkSPSAOptimizer_h</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#define __itkSPSAOptimizer_h</span>
<a name="l00019"></a>00019 <span class="preprocessor"></span>
<a name="l00020"></a>00020 <span class="preprocessor">#include "<a class="code" href="itkSingleValuedNonLinearOptimizer_8h.html">itkSingleValuedNonLinearOptimizer.h</a>"</span>
<a name="l00021"></a>00021 <span class="preprocessor">#include "<a class="code" href="itkMersenneTwisterRandomVariateGenerator_8h.html">itkMersenneTwisterRandomVariateGenerator.h</a>"</span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="keyword">namespace </span>itk
<a name="l00025"></a>00025 {
<a name="l00026"></a>00026
<a name="l00043"></a><a class="code" href="classitk_1_1SPSAOptimizer.html">00043</a> <span class="keyword">class </span><a class="code" href="classitk_1_1SPSAOptimizer.html" title="An optimizer based on simultaneous perturbation...">SPSAOptimizer</a>
<a name="l00044"></a>00044 : <span class="keyword">public</span> <a class="code" href="classitk_1_1SingleValuedNonLinearOptimizer.html" title="This class is a base for the Optimization methods that optimize a single valued function...">SingleValuedNonLinearOptimizer</a>
<a name="l00045"></a>00045 {
<a name="l00046"></a>00046 <span class="keyword">public</span>:
<a name="l00047"></a>00047
<a name="l00049"></a><a class="code" href="classitk_1_1SPSAOptimizer.html#89fdfb7279a45920b8363d98d119dbeb">00049</a> <span class="keyword">typedef</span> <a class="code" href="classitk_1_1SPSAOptimizer.html" title="An optimizer based on simultaneous perturbation...">SPSAOptimizer</a> <a class="code" href="classitk_1_1LightObject.html" title="Light weight base class for most itk classes.">Self</a>;
<a name="l00050"></a><a class="code" href="classitk_1_1SPSAOptimizer.html#81d8dfc731d0c85c8a1e328d068185fb">00050</a> <span class="keyword">typedef</span> <a class="code" href="classitk_1_1SingleValuedNonLinearOptimizer.html" title="This class is a base for the Optimization methods that optimize a single valued function...">SingleValuedNonLinearOptimizer</a> <a class="code" href="classitk_1_1LightObject.html" title="Light weight base class for most itk classes.">Superclass</a>;
<a name="l00051"></a><a class="code" href="classitk_1_1SPSAOptimizer.html#e669c89f8ae09b8acefa637471886af1">00051</a> <span class="keyword">typedef</span> <a class="code" href="classitk_1_1SmartPointer.html">SmartPointer<Self></a> <a class="code" href="classitk_1_1SmartPointer.html">Pointer</a>;
<a name="l00052"></a><a class="code" href="classitk_1_1SPSAOptimizer.html#d8d2cd0113e870a3f6673767b4635986">00052</a> <span class="keyword">typedef</span> <a class="code" href="classitk_1_1SmartPointer.html">SmartPointer<const Self></a> <a class="code" href="classitk_1_1SmartPointer.html">ConstPointer</a>;
<a name="l00053"></a>00053
<a name="l00055"></a>00055 <a class="code" href="itkMacro_8h.html#0fdc15685afa271857c57e7cd482f30c">itkNewMacro</a>( <a class="code" href="classitk_1_1LightObject.html" title="Light weight base class for most itk classes.">Self</a> );
<a name="l00056"></a>00056
<a name="l00058"></a>00058 <a class="code" href="itkMacro_8h.html#574c1f86661d409dd32c742307a0e96a">itkTypeMacro</a>( <a class="code" href="classitk_1_1SPSAOptimizer.html" title="An optimizer based on simultaneous perturbation...">SPSAOptimizer</a>, <a class="code" href="classitk_1_1SingleValuedNonLinearOptimizer.html" title="This class is a base for the Optimization methods that optimize a single valued function...">SingleValuedNonLinearOptimizer</a> );
<a name="l00059"></a>00059
<a name="l00061"></a><a class="code" href="classitk_1_1SPSAOptimizer.html#1ee6427f90e32eda1fa59ff554f46874">00061</a> <span class="keyword">typedef</span> <span class="keyword">enum</span> {
<a name="l00062"></a><a class="code" href="classitk_1_1SPSAOptimizer.html#1ee6427f90e32eda1fa59ff554f468743612ffc4d4de58f0c5a3362f48ed0a18">00062</a> <a class="code" href="classitk_1_1SPSAOptimizer.html#1ee6427f90e32eda1fa59ff554f468743612ffc4d4de58f0c5a3362f48ed0a18">Unknown</a>,
<a name="l00063"></a><a class="code" href="classitk_1_1SPSAOptimizer.html#1ee6427f90e32eda1fa59ff554f4687481c9816d301269530695ac3bf67ff00b">00063</a> <a class="code" href="classitk_1_1SPSAOptimizer.html#1ee6427f90e32eda1fa59ff554f4687481c9816d301269530695ac3bf67ff00b">MaximumNumberOfIterations</a>,
<a name="l00064"></a><a class="code" href="classitk_1_1SPSAOptimizer.html#1ee6427f90e32eda1fa59ff554f4687492ecdb07e68e0e7b7b989e782cb169ed">00064</a> <a class="code" href="classitk_1_1SPSAOptimizer.html#1ee6427f90e32eda1fa59ff554f4687492ecdb07e68e0e7b7b989e782cb169ed">BelowTolerance</a>,
<a name="l00065"></a><a class="code" href="classitk_1_1SPSAOptimizer.html#1ee6427f90e32eda1fa59ff554f468741d843cc3a25c6da7dbb6ba7d8c8bad8d">00065</a> <a class="code" href="classitk_1_1SPSAOptimizer.html#1ee6427f90e32eda1fa59ff554f468741d843cc3a25c6da7dbb6ba7d8c8bad8d">MetricError</a> } <a class="code" href="classitk_1_1SPSAOptimizer.html#1ee6427f90e32eda1fa59ff554f46874">StopConditionType</a>;
<a name="l00066"></a>00066
<a name="l00068"></a>00068 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classitk_1_1SPSAOptimizer.html#ea6d5de533e871b23e5cd3bbc61654d1">AdvanceOneStep</a>( <span class="keywordtype">void</span> );
<a name="l00069"></a>00069
<a name="l00071"></a>00071 <span class="keywordtype">void</span> <a class="code" href="classitk_1_1SPSAOptimizer.html#70e44694f03a04db362d5b1168bf1039">StartOptimization</a>( <span class="keywordtype">void</span> );
<a name="l00072"></a>00072
<a name="l00075"></a>00075 <span class="keywordtype">void</span> <a class="code" href="classitk_1_1SPSAOptimizer.html#4b221e620903b63f9b03dd0bd7ac98bb">ResumeOptimization</a>( <span class="keywordtype">void</span> );
<a name="l00076"></a>00076
<a name="l00079"></a>00079 <span class="keywordtype">void</span> <a class="code" href="classitk_1_1SPSAOptimizer.html#a6704228be546766763f340a28f194de">StopOptimization</a>( <span class="keywordtype">void</span> );
<a name="l00080"></a>00080
<a name="l00082"></a>00082 <span class="keyword">virtual</span> <a class="code" href="classitk_1_1SingleValuedNonLinearOptimizer.html#245250616c34172f263fca38ef7b075d">MeasureType</a> <a class="code" href="classitk_1_1SPSAOptimizer.html#0e89756839838d0ede170d3049a3ad23">GetValue</a>( <span class="keywordtype">void</span> ) <span class="keyword">const</span>;
<a name="l00083"></a>00083
<a name="l00085"></a>00085 <span class="keyword">virtual</span> <a class="code" href="classitk_1_1SingleValuedNonLinearOptimizer.html#245250616c34172f263fca38ef7b075d">MeasureType</a> <a class="code" href="classitk_1_1SPSAOptimizer.html#0e89756839838d0ede170d3049a3ad23">GetValue</a>( <span class="keyword">const</span> <a class="code" href="classitk_1_1SingleValuedNonLinearOptimizer.html#9441033001d47bcc93a4c374913fbe4c">ParametersType</a> & parameters ) <span class="keyword">const</span>;
<a name="l00086"></a>00086
<a name="l00100"></a>00100 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classitk_1_1SPSAOptimizer.html#dbd5146f1ed89dfc6fe0844a56a18656">GuessParameters</a>(
<a name="l00101"></a>00101 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> numberOfGradientEstimates,
<a name="l00102"></a>00102 <span class="keywordtype">double</span> initialStepSize);
<a name="l00103"></a>00103
<a name="l00105"></a>00105 <a class="code" href="itkMacro_8h.html#89294335d94b115d40e2603f2fff7950">itkGetConstMacro</a>( CurrentIteration, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> );
<a name="l00106"></a>00106
<a name="l00108"></a>00108 <a class="code" href="itkMacro_8h.html#89294335d94b115d40e2603f2fff7950">itkGetConstMacro</a>( StopCondition, <a class="code" href="classitk_1_1SPSAOptimizer.html#1ee6427f90e32eda1fa59ff554f46874">StopConditionType</a> );
<a name="l00109"></a>00109
<a name="l00111"></a>00111 <a class="code" href="itkMacro_8h.html#89294335d94b115d40e2603f2fff7950">itkGetConstMacro</a>( LearningRate, <span class="keywordtype">double</span>);
<a name="l00112"></a>00112
<a name="l00114"></a>00114 <a class="code" href="itkMacro_8h.html#89294335d94b115d40e2603f2fff7950">itkGetConstMacro</a>( GradientMagnitude, <span class="keywordtype">double</span>);
<a name="l00115"></a>00115
<a name="l00117"></a>00117 <a class="code" href="itkMacro_8h.html#7d989c13a1a213168db99ae0f84185d4">itkGetConstReferenceMacro</a>( Gradient, <a class="code" href="classitk_1_1SingleValuedNonLinearOptimizer.html#ead802bd91388811ed80116d1f597f50">DerivativeType</a>);
<a name="l00118"></a>00118
<a name="l00120"></a>00120 <a class="code" href="itkMacro_8h.html#7ebdd33cc5e7d74720ced9099c034faa">itkSetMacro</a>( Sa, <span class="keywordtype">double</span> );
<a name="l00121"></a>00121 <a class="code" href="itkMacro_8h.html#89294335d94b115d40e2603f2fff7950">itkGetConstMacro</a>( Sa, <span class="keywordtype">double</span> );
<a name="l00122"></a>00122 <span class="comment">// For backward compatibility</span>
<a name="l00123"></a><a class="code" href="classitk_1_1SPSAOptimizer.html#fefdb6df64e03acb79f2bb2b78d7427a">00123</a> <span class="keywordtype">void</span> <a class="code" href="classitk_1_1SPSAOptimizer.html#fefdb6df64e03acb79f2bb2b78d7427a">Seta</a> (<span class="keywordtype">double</span> a) { <a class="code" href="classitk_1_1SPSAOptimizer.html#9292af077705e7a799f63c86784d5770">SetSa</a>(a);}
<a name="l00124"></a><a class="code" href="classitk_1_1SPSAOptimizer.html#7f1048a8cd21a1ee741b75bdffccd0bd">00124</a> <span class="keywordtype">double</span> <a class="code" href="classitk_1_1SPSAOptimizer.html#7f1048a8cd21a1ee741b75bdffccd0bd">Geta</a> () {<span class="keywordflow">return</span> <a class="code" href="classitk_1_1SPSAOptimizer.html#2f34f7ec7012cc2f433f972f0a99778c">GetSa</a>();}
<a name="l00126"></a>00126
<a name="l00128"></a>00128 <a class="code" href="itkMacro_8h.html#7ebdd33cc5e7d74720ced9099c034faa">itkSetMacro</a>( Sc, <span class="keywordtype">double</span> );
<a name="l00129"></a>00129 <a class="code" href="itkMacro_8h.html#89294335d94b115d40e2603f2fff7950">itkGetConstMacro</a>( Sc, <span class="keywordtype">double</span> );
<a name="l00130"></a>00130 <span class="comment">// For backward compatibility</span>
<a name="l00131"></a><a class="code" href="classitk_1_1SPSAOptimizer.html#a185310bf07c73ab9e181a36958561b3">00131</a> <span class="keywordtype">void</span> <a class="code" href="classitk_1_1SPSAOptimizer.html#a185310bf07c73ab9e181a36958561b3">Setc</a> (<span class="keywordtype">double</span> c) {<a class="code" href="classitk_1_1SPSAOptimizer.html#1289929de2cadd7bd48f0096ab96b874">SetSc</a>(c);}
<a name="l00132"></a><a class="code" href="classitk_1_1SPSAOptimizer.html#2ad7cef753f4d689e0617dafa5cc6798">00132</a> <span class="keywordtype">double</span> <a class="code" href="classitk_1_1SPSAOptimizer.html#2ad7cef753f4d689e0617dafa5cc6798">Getc</a> () {<span class="keywordflow">return</span> <a class="code" href="classitk_1_1SPSAOptimizer.html#1857639cc38103c3aa7c3b7d8cdad955">GetSc</a>();}
<a name="l00134"></a>00134
<a name="l00136"></a>00136 <a class="code" href="itkMacro_8h.html#7ebdd33cc5e7d74720ced9099c034faa">itkSetMacro</a>( <a class="code" href="classA.html">A</a>, <span class="keywordtype">double</span> );
<a name="l00137"></a>00137 <a class="code" href="itkMacro_8h.html#89294335d94b115d40e2603f2fff7950">itkGetConstMacro</a>( <a class="code" href="classA.html">A</a>, <span class="keywordtype">double</span> );
<a name="l00139"></a>00139
<a name="l00141"></a>00141 <a class="code" href="itkMacro_8h.html#7ebdd33cc5e7d74720ced9099c034faa">itkSetMacro</a>( Alpha, <span class="keywordtype">double</span> );
<a name="l00142"></a>00142 <a class="code" href="itkMacro_8h.html#89294335d94b115d40e2603f2fff7950">itkGetConstMacro</a>( Alpha, <span class="keywordtype">double</span> );
<a name="l00144"></a>00144
<a name="l00146"></a>00146 <a class="code" href="itkMacro_8h.html#7ebdd33cc5e7d74720ced9099c034faa">itkSetMacro</a>( Gamma, <span class="keywordtype">double</span> );
<a name="l00147"></a>00147 <a class="code" href="itkMacro_8h.html#89294335d94b115d40e2603f2fff7950">itkGetConstMacro</a>( Gamma, <span class="keywordtype">double</span> );
<a name="l00149"></a>00149
<a name="l00151"></a>00151 <a class="code" href="itkMacro_8h.html#89294335d94b115d40e2603f2fff7950">itkGetConstMacro</a>( Maximize, <span class="keywordtype">bool</span> );
<a name="l00152"></a>00152 <a class="code" href="itkMacro_8h.html#7ebdd33cc5e7d74720ced9099c034faa">itkSetMacro</a>( Maximize, <span class="keywordtype">bool</span> );
<a name="l00153"></a>00153 <a class="code" href="itkMacro_8h.html#9e7d129ffebb09fd28bc213e02d87248">itkBooleanMacro</a>( Maximize );
<a name="l00154"></a><a class="code" href="classitk_1_1SPSAOptimizer.html#c1dab56196c99a445c93d4df696cc0a7">00154</a> <span class="keywordtype">bool</span> <a class="code" href="classitk_1_1SPSAOptimizer.html#c1dab56196c99a445c93d4df696cc0a7">GetMinimize</a>( )<span class="keyword"> const</span>
<a name="l00155"></a>00155 <span class="keyword"> </span>{ <span class="keywordflow">return</span> !m_Maximize; }
<a name="l00156"></a><a class="code" href="classitk_1_1SPSAOptimizer.html#9a310b1002dd4a168d10d8863eb99bfa">00156</a> <span class="keywordtype">void</span> <a class="code" href="classitk_1_1SPSAOptimizer.html#9a310b1002dd4a168d10d8863eb99bfa">SetMinimize</a>(<span class="keywordtype">bool</span> v)
<a name="l00157"></a>00157 { this-><a class="code" href="classitk_1_1SPSAOptimizer.html#03d68733f4868e576b2a5ccfc2a5d61e">SetMaximize</a>(!v); }
<a name="l00158"></a><a class="code" href="classitk_1_1SPSAOptimizer.html#f725924f26a5c752ebfb875b8eb18d7c">00158</a> <span class="keywordtype">void</span> <a class="code" href="classitk_1_1SPSAOptimizer.html#f725924f26a5c752ebfb875b8eb18d7c">MinimizeOn</a>()
<a name="l00159"></a>00159 { this-><a class="code" href="classitk_1_1SPSAOptimizer.html#4dac21f4760c7012ff36b9983896d8eb">MaximizeOff</a>(); }
<a name="l00160"></a><a class="code" href="classitk_1_1SPSAOptimizer.html#5747d7ed236592f2949a1ee3fc4ac739">00160</a> <span class="keywordtype">void</span> <a class="code" href="classitk_1_1SPSAOptimizer.html#5747d7ed236592f2949a1ee3fc4ac739">MinimizeOff</a>()
<a name="l00161"></a>00161 { this-><a class="code" href="classitk_1_1SPSAOptimizer.html#d72166c0b168991605350150e8796df6">MaximizeOn</a>(); }
<a name="l00163"></a>00163
<a name="l00169"></a>00169 <a class="code" href="itkMacro_8h.html#7ebdd33cc5e7d74720ced9099c034faa">itkSetMacro</a>( NumberOfPerturbations, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> );
<a name="l00170"></a>00170 <a class="code" href="itkMacro_8h.html#89294335d94b115d40e2603f2fff7950">itkGetConstMacro</a>( NumberOfPerturbations, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> );
<a name="l00172"></a>00172
<a name="l00173"></a>00173
<a name="l00185"></a>00185 <a class="code" href="itkMacro_8h.html#89294335d94b115d40e2603f2fff7950">itkGetConstMacro</a>( StateOfConvergence, <span class="keywordtype">double</span> );
<a name="l00186"></a>00186
<a name="l00188"></a>00188 <a class="code" href="itkMacro_8h.html#7ebdd33cc5e7d74720ced9099c034faa">itkSetMacro</a>( StateOfConvergenceDecayRate, <span class="keywordtype">double</span> );
<a name="l00189"></a>00189 <a class="code" href="itkMacro_8h.html#89294335d94b115d40e2603f2fff7950">itkGetConstMacro</a>( StateOfConvergenceDecayRate, <span class="keywordtype">double</span> );
<a name="l00191"></a>00191
<a name="l00193"></a>00193 <a class="code" href="itkMacro_8h.html#7ebdd33cc5e7d74720ced9099c034faa">itkSetMacro</a>( MinimumNumberOfIterations, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>);
<a name="l00194"></a>00194 <a class="code" href="itkMacro_8h.html#89294335d94b115d40e2603f2fff7950">itkGetConstMacro</a>( MinimumNumberOfIterations, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>);
<a name="l00196"></a>00196
<a name="l00198"></a>00198 <a class="code" href="itkMacro_8h.html#7ebdd33cc5e7d74720ced9099c034faa">itkSetMacro</a>( <a class="code" href="classitk_1_1SPSAOptimizer.html#1ee6427f90e32eda1fa59ff554f4687481c9816d301269530695ac3bf67ff00b">MaximumNumberOfIterations</a>, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> );
<a name="l00199"></a>00199 <a class="code" href="itkMacro_8h.html#89294335d94b115d40e2603f2fff7950">itkGetConstMacro</a>( <a class="code" href="classitk_1_1SPSAOptimizer.html#1ee6427f90e32eda1fa59ff554f4687481c9816d301269530695ac3bf67ff00b">MaximumNumberOfIterations</a>, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> );
<a name="l00201"></a>00201
<a name="l00203"></a>00203 <a class="code" href="itkMacro_8h.html#7ebdd33cc5e7d74720ced9099c034faa">itkSetMacro</a>(Tolerance, <span class="keywordtype">double</span>);
<a name="l00204"></a>00204 <a class="code" href="itkMacro_8h.html#89294335d94b115d40e2603f2fff7950">itkGetConstMacro</a>(Tolerance, <span class="keywordtype">double</span>);
<a name="l00206"></a>00206
<a name="l00207"></a>00207 <span class="keyword">protected</span>:
<a name="l00208"></a>00208
<a name="l00209"></a>00209 <a class="code" href="classitk_1_1SPSAOptimizer.html#c4d2caa46faa24b665f1901366d4249b">SPSAOptimizer</a>();
<a name="l00210"></a><a class="code" href="classitk_1_1SPSAOptimizer.html#7138a158b0a8d650d50d884381e8b737">00210</a> <span class="keyword">virtual</span> <a class="code" href="classitk_1_1SPSAOptimizer.html#7138a158b0a8d650d50d884381e8b737">~SPSAOptimizer</a>() {};
<a name="l00211"></a>00211
<a name="l00213"></a>00213 <span class="keywordtype">void</span> <a class="code" href="classitk_1_1SPSAOptimizer.html#7a5ecba8c86cd6eb9e211f89ed2048bb">PrintSelf</a>( std::ostream& os, <a class="code" href="classitk_1_1Indent.html" title="Control indentation during Print() invocation.">Indent</a> indent ) <span class="keyword">const</span>;
<a name="l00214"></a>00214
<a name="l00216"></a><a class="code" href="classitk_1_1SPSAOptimizer.html#8ff283e15c4a6baa51b1a0ce808123d5">00216</a> <a class="code" href="classitk_1_1Array.html">DerivativeType</a> <a class="code" href="classitk_1_1SPSAOptimizer.html#8ff283e15c4a6baa51b1a0ce808123d5">m_Gradient</a>;
<a name="l00217"></a><a class="code" href="classitk_1_1SPSAOptimizer.html#3eaa6f860be09e0eb645b10c62a08a40">00217</a> <span class="keywordtype">double</span> <a class="code" href="classitk_1_1SPSAOptimizer.html#3eaa6f860be09e0eb645b10c62a08a40">m_LearningRate</a>;
<a name="l00218"></a><a class="code" href="classitk_1_1SPSAOptimizer.html#9c70017e20d9312d0cd2ef64a5a1ba14">00218</a> <a class="code" href="classitk_1_1Array.html">DerivativeType</a> <a class="code" href="classitk_1_1SPSAOptimizer.html#9c70017e20d9312d0cd2ef64a5a1ba14">m_Delta</a>;
<a name="l00219"></a><a class="code" href="classitk_1_1SPSAOptimizer.html#2778235f3fa45945f2686fbafa0c73fe">00219</a> <span class="keywordtype">bool</span> <a class="code" href="classitk_1_1SPSAOptimizer.html#2778235f3fa45945f2686fbafa0c73fe">m_Stop</a>;
<a name="l00220"></a><a class="code" href="classitk_1_1SPSAOptimizer.html#cd888a8834120d577fb053d7d21d841c">00220</a> <a class="code" href="classitk_1_1SPSAOptimizer.html#1ee6427f90e32eda1fa59ff554f46874">StopConditionType</a> <a class="code" href="classitk_1_1SPSAOptimizer.html#cd888a8834120d577fb053d7d21d841c">m_StopCondition</a>;
<a name="l00221"></a><a class="code" href="classitk_1_1SPSAOptimizer.html#d4670d53865a8e0eb88117807200db2f">00221</a> <span class="keywordtype">double</span> <a class="code" href="classitk_1_1SPSAOptimizer.html#d4670d53865a8e0eb88117807200db2f">m_StateOfConvergence</a>;
<a name="l00222"></a><a class="code" href="classitk_1_1SPSAOptimizer.html#049b320d3bf6b66bfe19aa71acf57a52">00222</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="classitk_1_1SPSAOptimizer.html#049b320d3bf6b66bfe19aa71acf57a52">m_CurrentIteration</a>;
<a name="l00223"></a>00223
<a name="l00225"></a><a class="code" href="classitk_1_1SPSAOptimizer.html#0aff911e8dbe534256c67ed7614dcb77">00225</a> <a class="code" href="classitk_1_1SmartPointer.html">Statistics::MersenneTwisterRandomVariateGenerator::Pointer</a> <a class="code" href="classitk_1_1SPSAOptimizer.html#0aff911e8dbe534256c67ed7614dcb77">m_Generator</a>;
<a name="l00226"></a>00226
<a name="l00228"></a>00228 <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="classitk_1_1SPSAOptimizer.html#7d56b397a2a55572b30a1f7815f7c725">Compute_a</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> k ) <span class="keyword">const</span>;
<a name="l00229"></a>00229
<a name="l00234"></a>00234 <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="classitk_1_1SPSAOptimizer.html#3e97e46a835fd399f6327eb93c314ab6">Compute_c</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> k ) <span class="keyword">const</span>;
<a name="l00235"></a>00235
<a name="l00237"></a>00237 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classitk_1_1SPSAOptimizer.html#50aefd14a6e16ae5beea2f44595496bd">GenerateDelta</a>( <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> spaceDimension );
<a name="l00238"></a>00238
<a name="l00243"></a>00243 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classitk_1_1SPSAOptimizer.html#aa10faa2656fe4689550a379c7b10cd3">ComputeGradient</a>(
<a name="l00244"></a>00244 <span class="keyword">const</span> <a class="code" href="classitk_1_1Array.html">ParametersType</a> & parameters,
<a name="l00245"></a>00245 <a class="code" href="classitk_1_1Array.html">DerivativeType</a> & gradient);
<a name="l00246"></a>00246
<a name="l00247"></a>00247 <span class="keyword">private</span>:
<a name="l00248"></a>00248
<a name="l00249"></a>00249 <a class="code" href="classitk_1_1SPSAOptimizer.html#c4d2caa46faa24b665f1901366d4249b">SPSAOptimizer</a>( <span class="keyword">const</span> <a class="code" href="classitk_1_1LightObject.html" title="Light weight base class for most itk classes.">Self</a>& ); <span class="comment">// purposely not implemented</span>
<a name="l00250"></a>00250 <span class="keywordtype">void</span> operator=( <span class="keyword">const</span> <a class="code" href="classitk_1_1LightObject.html" title="Light weight base class for most itk classes.">Self</a>& ); <span class="comment">// purposely not implemented</span>
<a name="l00251"></a>00251
<a name="l00253"></a>00253 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> m_MinimumNumberOfIterations;
<a name="l00254"></a>00254 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> m_MaximumNumberOfIterations;
<a name="l00255"></a>00255 <span class="keywordtype">double</span> m_StateOfConvergenceDecayRate;
<a name="l00256"></a>00256 <span class="keywordtype">double</span> m_Tolerance;
<a name="l00257"></a>00257 <span class="keywordtype">bool</span> m_Maximize;
<a name="l00258"></a>00258 <span class="keywordtype">double</span> m_GradientMagnitude;
<a name="l00259"></a>00259 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> m_NumberOfPerturbations;
<a name="l00260"></a>00260
<a name="l00262"></a>00262 <span class="keywordtype">double</span> m_Sa;
<a name="l00263"></a>00263 <span class="keywordtype">double</span> m_Sc;
<a name="l00264"></a>00264 <span class="keywordtype">double</span> m_A;
<a name="l00265"></a>00265 <span class="keywordtype">double</span> m_Alpha;
<a name="l00266"></a>00266 <span class="keywordtype">double</span> m_Gamma;
<a name="l00267"></a>00267
<a name="l00268"></a>00268 }; <span class="comment">// end class SPSAOptimizer</span>
<a name="l00269"></a>00269
<a name="l00270"></a>00270 } <span class="comment">// end namespace itk</span>
<a name="l00271"></a>00271
<a name="l00272"></a>00272 <span class="preprocessor">#endif // end #ifndef __itkSPSAOptimizer_h</span>
<a name="l00273"></a>00273 <span class="preprocessor"></span>
</pre></div></div>
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