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<div class="subTitle">org.apache.commons.math3.optimization.linear</div>
<h2 title="Class AbstractLinearOptimizer" class="title">Class AbstractLinearOptimizer</h2>
</div>
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<ul class="inheritance">
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<li>org.apache.commons.math3.optimization.linear.AbstractLinearOptimizer</li>
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<dl>
<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../../org/apache/commons/math3/optimization/linear/LinearOptimizer.html" title="interface in org.apache.commons.math3.optimization.linear">LinearOptimizer</a></dd>
</dl>
<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../../../org/apache/commons/math3/optimization/linear/SimplexSolver.html" title="class in org.apache.commons.math3.optimization.linear">SimplexSolver</a></dd>
</dl>
<hr>
<div class="block"><strong>Deprecated.</strong>&nbsp;
<div class="block"><i>As of 3.1 (to be removed in 4.0).</i></div>
</div>
<br>
<pre><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a>
public abstract class <span class="strong">AbstractLinearOptimizer</span>
extends <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements <a href="../../../../../../org/apache/commons/math3/optimization/linear/LinearOptimizer.html" title="interface in org.apache.commons.math3.optimization.linear">LinearOptimizer</a></pre>
<div class="block">Base class for implementing linear optimizers.
<p>
This base class handles the boilerplate methods associated to thresholds
settings and iterations counters.</div>
<dl><dt><span class="strong">Since:</span></dt>
<dd>2.0</dd>
<dt><span class="strong">Version:</span></dt>
<dd>$Id: AbstractLinearOptimizer.java 1422230 2012-12-15 12:11:13Z erans $</dd></dl>
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<h3>Field Summary</h3>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/optimization/linear/AbstractLinearOptimizer.html#DEFAULT_MAX_ITERATIONS">DEFAULT_MAX_ITERATIONS</a></strong></code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
<div class="block">Default maximal number of iterations allowed.</div>
</td>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier</th>
<th class="colLast" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/optimization/linear/AbstractLinearOptimizer.html#AbstractLinearOptimizer()">AbstractLinearOptimizer</a></strong>()</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
<div class="block">Simple constructor with default settings.</div>
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<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>
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<tr class="altColor">
<td class="colFirst"><code>protected abstract <a href="../../../../../../org/apache/commons/math3/optimization/PointValuePair.html" title="class in org.apache.commons.math3.optimization">PointValuePair</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/optimization/linear/AbstractLinearOptimizer.html#doOptimize()">doOptimize</a></strong>()</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
<div class="block">Perform the bulk of optimization algorithm.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../../../org/apache/commons/math3/optimization/linear/LinearConstraint.html" title="class in org.apache.commons.math3.optimization.linear">LinearConstraint</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/optimization/linear/AbstractLinearOptimizer.html#getConstraints()">getConstraints</a></strong>()</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../../org/apache/commons/math3/optimization/linear/LinearObjectiveFunction.html" title="class in org.apache.commons.math3.optimization.linear">LinearObjectiveFunction</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/optimization/linear/AbstractLinearOptimizer.html#getFunction()">getFunction</a></strong>()</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../../org/apache/commons/math3/optimization/GoalType.html" title="enum in org.apache.commons.math3.optimization">GoalType</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/optimization/linear/AbstractLinearOptimizer.html#getGoalType()">getGoalType</a></strong>()</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/optimization/linear/AbstractLinearOptimizer.html#getIterations()">getIterations</a></strong>()</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
<div class="block">Get the number of iterations realized by the algorithm.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/optimization/linear/AbstractLinearOptimizer.html#getMaxIterations()">getMaxIterations</a></strong>()</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
<div class="block">Get the maximal number of iterations of the algorithm.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/optimization/linear/AbstractLinearOptimizer.html#incrementIterationsCounter()">incrementIterationsCounter</a></strong>()</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
<div class="block">Increment the iterations counter by 1.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/commons/math3/optimization/PointValuePair.html" title="class in org.apache.commons.math3.optimization">PointValuePair</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/optimization/linear/AbstractLinearOptimizer.html#optimize(org.apache.commons.math3.optimization.linear.LinearObjectiveFunction, java.util.Collection, org.apache.commons.math3.optimization.GoalType, boolean)">optimize</a></strong>(<a href="../../../../../../org/apache/commons/math3/optimization/linear/LinearObjectiveFunction.html" title="class in org.apache.commons.math3.optimization.linear">LinearObjectiveFunction</a>&nbsp;f,
<a href="http://docs.oracle.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../../../org/apache/commons/math3/optimization/linear/LinearConstraint.html" title="class in org.apache.commons.math3.optimization.linear">LinearConstraint</a>&gt;&nbsp;constraints,
<a href="../../../../../../org/apache/commons/math3/optimization/GoalType.html" title="enum in org.apache.commons.math3.optimization">GoalType</a>&nbsp;goalType,
boolean&nbsp;restrictToNonNegative)</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
<div class="block">Optimizes an objective function.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/optimization/linear/AbstractLinearOptimizer.html#restrictToNonNegative()">restrictToNonNegative</a></strong>()</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/optimization/linear/AbstractLinearOptimizer.html#setMaxIterations(int)">setMaxIterations</a></strong>(int&nbsp;maxIterations)</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
<div class="block">Set the maximal number of iterations of the algorithm.</div>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</a></code></li>
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<h3>Field Detail</h3>
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<h4>DEFAULT_MAX_ITERATIONS</h4>
<pre>public static final&nbsp;int DEFAULT_MAX_ITERATIONS</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<div class="block">Default maximal number of iterations allowed.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../../constant-values.html#org.apache.commons.math3.optimization.linear.AbstractLinearOptimizer.DEFAULT_MAX_ITERATIONS">Constant Field Values</a></dd></dl>
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<h3>Constructor Detail</h3>
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<h4>AbstractLinearOptimizer</h4>
<pre>protected&nbsp;AbstractLinearOptimizer()</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<div class="block">Simple constructor with default settings.
<p>The maximal number of evaluation is set to its default value.</p></div>
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<a name="restrictToNonNegative()">
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<h4>restrictToNonNegative</h4>
<pre>protected&nbsp;boolean&nbsp;restrictToNonNegative()</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<dl><dt><span class="strong">Returns:</span></dt><dd><code>true</code> if the variables are restricted to non-negative values.</dd></dl>
</li>
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<a name="getGoalType()">
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<h4>getGoalType</h4>
<pre>protected&nbsp;<a href="../../../../../../org/apache/commons/math3/optimization/GoalType.html" title="enum in org.apache.commons.math3.optimization">GoalType</a>&nbsp;getGoalType()</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the optimization type.</dd></dl>
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<a name="getFunction()">
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<h4>getFunction</h4>
<pre>protected&nbsp;<a href="../../../../../../org/apache/commons/math3/optimization/linear/LinearObjectiveFunction.html" title="class in org.apache.commons.math3.optimization.linear">LinearObjectiveFunction</a>&nbsp;getFunction()</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the optimization type.</dd></dl>
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<a name="getConstraints()">
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<h4>getConstraints</h4>
<pre>protected&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../../../org/apache/commons/math3/optimization/linear/LinearConstraint.html" title="class in org.apache.commons.math3.optimization.linear">LinearConstraint</a>&gt;&nbsp;getConstraints()</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the optimization type.</dd></dl>
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<a name="setMaxIterations(int)">
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<h4>setMaxIterations</h4>
<pre>public&nbsp;void&nbsp;setMaxIterations(int&nbsp;maxIterations)</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<div class="block">Set the maximal number of iterations of the algorithm.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../../org/apache/commons/math3/optimization/linear/LinearOptimizer.html#setMaxIterations(int)">setMaxIterations</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/commons/math3/optimization/linear/LinearOptimizer.html" title="interface in org.apache.commons.math3.optimization.linear">LinearOptimizer</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>maxIterations</code> - maximal number of function calls</dd></dl>
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<h4>getMaxIterations</h4>
<pre>public&nbsp;int&nbsp;getMaxIterations()</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<div class="block">Get the maximal number of iterations of the algorithm.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../../org/apache/commons/math3/optimization/linear/LinearOptimizer.html#getMaxIterations()">getMaxIterations</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/commons/math3/optimization/linear/LinearOptimizer.html" title="interface in org.apache.commons.math3.optimization.linear">LinearOptimizer</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>maximal number of iterations</dd></dl>
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<a name="getIterations()">
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<h4>getIterations</h4>
<pre>public&nbsp;int&nbsp;getIterations()</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<div class="block">Get the number of iterations realized by the algorithm.
<p>
The number of evaluations corresponds to the last call to the
<a href="../../../../../../org/apache/commons/math3/optimization/linear/LinearOptimizer.html#optimize(org.apache.commons.math3.optimization.linear.LinearObjectiveFunction, java.util.Collection, org.apache.commons.math3.optimization.GoalType, boolean)"><code>optimize</code></a>
method. It is 0 if the method has not been called yet.
</p></div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../../org/apache/commons/math3/optimization/linear/LinearOptimizer.html#getIterations()">getIterations</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/commons/math3/optimization/linear/LinearOptimizer.html" title="interface in org.apache.commons.math3.optimization.linear">LinearOptimizer</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>number of iterations</dd></dl>
</li>
</ul>
<a name="incrementIterationsCounter()">
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<h4>incrementIterationsCounter</h4>
<pre>protected&nbsp;void&nbsp;incrementIterationsCounter()
throws <a href="../../../../../../org/apache/commons/math3/exception/MaxCountExceededException.html" title="class in org.apache.commons.math3.exception">MaxCountExceededException</a></pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<div class="block">Increment the iterations counter by 1.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../../org/apache/commons/math3/exception/MaxCountExceededException.html" title="class in org.apache.commons.math3.exception">MaxCountExceededException</a></code> - if the maximal number of iterations is exceeded</dd></dl>
</li>
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<a name="optimize(org.apache.commons.math3.optimization.linear.LinearObjectiveFunction, java.util.Collection, org.apache.commons.math3.optimization.GoalType, boolean)">
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<h4>optimize</h4>
<pre>public&nbsp;<a href="../../../../../../org/apache/commons/math3/optimization/PointValuePair.html" title="class in org.apache.commons.math3.optimization">PointValuePair</a>&nbsp;optimize(<a href="../../../../../../org/apache/commons/math3/optimization/linear/LinearObjectiveFunction.html" title="class in org.apache.commons.math3.optimization.linear">LinearObjectiveFunction</a>&nbsp;f,
<a href="http://docs.oracle.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../../../org/apache/commons/math3/optimization/linear/LinearConstraint.html" title="class in org.apache.commons.math3.optimization.linear">LinearConstraint</a>&gt;&nbsp;constraints,
<a href="../../../../../../org/apache/commons/math3/optimization/GoalType.html" title="enum in org.apache.commons.math3.optimization">GoalType</a>&nbsp;goalType,
boolean&nbsp;restrictToNonNegative)
throws <a href="../../../../../../org/apache/commons/math3/exception/MathIllegalStateException.html" title="class in org.apache.commons.math3.exception">MathIllegalStateException</a></pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<div class="block">Optimizes an objective function.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../../org/apache/commons/math3/optimization/linear/LinearOptimizer.html#optimize(org.apache.commons.math3.optimization.linear.LinearObjectiveFunction, java.util.Collection, org.apache.commons.math3.optimization.GoalType, boolean)">optimize</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/commons/math3/optimization/linear/LinearOptimizer.html" title="interface in org.apache.commons.math3.optimization.linear">LinearOptimizer</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>f</code> - linear objective function</dd><dd><code>constraints</code> - linear constraints</dd><dd><code>goalType</code> - type of optimization goal: either <a href="../../../../../../org/apache/commons/math3/optimization/GoalType.html#MAXIMIZE"><code>GoalType.MAXIMIZE</code></a> or <a href="../../../../../../org/apache/commons/math3/optimization/GoalType.html#MINIMIZE"><code>GoalType.MINIMIZE</code></a></dd><dd><code>restrictToNonNegative</code> - whether to restrict the variables to non-negative values</dd>
<dt><span class="strong">Returns:</span></dt><dd>point/value pair giving the optimal value for objective function</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../../org/apache/commons/math3/exception/MathIllegalStateException.html" title="class in org.apache.commons.math3.exception">MathIllegalStateException</a></code> - if no solution fulfilling the constraints
can be found in the allowed number of iterations</dd></dl>
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<a name="doOptimize()">
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<h4>doOptimize</h4>
<pre>protected abstract&nbsp;<a href="../../../../../../org/apache/commons/math3/optimization/PointValuePair.html" title="class in org.apache.commons.math3.optimization">PointValuePair</a>&nbsp;doOptimize()
throws <a href="../../../../../../org/apache/commons/math3/exception/MathIllegalStateException.html" title="class in org.apache.commons.math3.exception">MathIllegalStateException</a></pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<div class="block">Perform the bulk of optimization algorithm.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the point/value pair giving the optimal value for objective function</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../../org/apache/commons/math3/exception/MathIllegalStateException.html" title="class in org.apache.commons.math3.exception">MathIllegalStateException</a></code> - if no solution fulfilling the constraints
can be found in the allowed number of iterations</dd></dl>
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