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| <div class="subTitle">org.apache.commons.math3.optimization.direct</div> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="../../../../../../org/apache/commons/math3/optimization/OptimizationData.html" title="interface in org.apache.commons.math3.optimization">OptimizationData</a></dd> |
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| <dt>Enclosing class:</dt> |
| <dd><a href="../../../../../../org/apache/commons/math3/optimization/direct/CMAESOptimizer.html" title="class in org.apache.commons.math3.optimization.direct">CMAESOptimizer</a></dd> |
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| <pre>public static class <span class="strong">CMAESOptimizer.Sigma</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/OptimizationData.html" title="interface in org.apache.commons.math3.optimization">OptimizationData</a></pre> |
| <div class="block">Input sigma values. |
| They define the initial coordinate-wise standard deviations for |
| sampling new search points around the initial guess. |
| It is suggested to set them to the estimated distance from the |
| initial to the desired optimum. |
| Small values induce the search to be more local (and very small |
| values are more likely to find a local optimum close to the initial |
| guess). |
| Too small values might however lead to early termination.</div> |
| <dl><dt><span class="strong">Since:</span></dt> |
| <dd>3.1</dd></dl> |
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| <td class="colOne"><code><strong><a href="../../../../../../org/apache/commons/math3/optimization/direct/CMAESOptimizer.Sigma.html#CMAESOptimizer.Sigma(double[])">CMAESOptimizer.Sigma</a></strong>(double[] s)</code> </td> |
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| <td class="colFirst"><code>double[]</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/optimization/direct/CMAESOptimizer.Sigma.html#getSigma()">getSigma</a></strong>()</code> </td> |
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| <h4>CMAESOptimizer.Sigma</h4> |
| <pre>public CMAESOptimizer.Sigma(double[] s) |
| throws <a href="../../../../../../org/apache/commons/math3/exception/NotPositiveException.html" title="class in org.apache.commons.math3.exception">NotPositiveException</a></pre> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>s</code> - Sigma values.</dd> |
| <dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/commons/math3/exception/NotPositiveException.html" title="class in org.apache.commons.math3.exception">NotPositiveException</a></code> - if any of the array entries is smaller |
| than zero.</dd></dl> |
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| <h4>getSigma</h4> |
| <pre>public double[] getSigma()</pre> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>the sigma values.</dd></dl> |
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