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| <div class="subTitle">org.apache.commons.math3.genetics</div> |
| <h2 title="Class OnePointCrossover" class="title">Class OnePointCrossover<T></h2> |
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| <li> |
| <ul class="inheritance"> |
| <li>org.apache.commons.math3.genetics.OnePointCrossover<T></li> |
| </ul> |
| </li> |
| </ul> |
| <div class="description"> |
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| <dl><dt><span class="strong">Type Parameters:</span></dt><dd><code>T</code> - generic type of the <a href="../../../../../org/apache/commons/math3/genetics/AbstractListChromosome.html" title="class in org.apache.commons.math3.genetics"><code>AbstractListChromosome</code></a>s for crossover</dd></dl> |
| <dl> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="../../../../../org/apache/commons/math3/genetics/CrossoverPolicy.html" title="interface in org.apache.commons.math3.genetics">CrossoverPolicy</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public class <span class="strong">OnePointCrossover<T></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/genetics/CrossoverPolicy.html" title="interface in org.apache.commons.math3.genetics">CrossoverPolicy</a></pre> |
| <div class="block">One point crossover policy. A random crossover point is selected and the |
| first part from each parent is copied to the corresponding child, and the |
| second parts are copied crosswise. |
| |
| Example: |
| <pre> |
| -C- denotes a crossover point |
| -C- -C- |
| p1 = (1 0 1 0 0 1 | 0 1 1) X p2 = (0 1 1 0 1 0 | 1 1 1) |
| \------------/ \-----/ \------------/ \-----/ |
| || (*) || (**) |
| VV (**) VV (*) |
| /------------\ /-----\ /------------\ /-----\ |
| c1 = (1 0 1 0 0 1 | 1 1 1) X c2 = (0 1 1 0 1 0 | 0 1 1) |
| </pre> |
| |
| This policy works only on <a href="../../../../../org/apache/commons/math3/genetics/AbstractListChromosome.html" title="class in org.apache.commons.math3.genetics"><code>AbstractListChromosome</code></a>, and therefore it |
| is parameterized by T. Moreover, the chromosomes must have same lengths.</div> |
| <dl><dt><span class="strong">Since:</span></dt> |
| <dd>2.0</dd> |
| <dt><span class="strong">Version:</span></dt> |
| <dd>$Id: OnePointCrossover.java 1551014 2013-12-15 10:56:49Z tn $</dd></dl> |
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| <td class="colOne"><code><strong><a href="../../../../../org/apache/commons/math3/genetics/OnePointCrossover.html#OnePointCrossover()">OnePointCrossover</a></strong>()</code> </td> |
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| <td class="colFirst"><code><a href="../../../../../org/apache/commons/math3/genetics/ChromosomePair.html" title="class in org.apache.commons.math3.genetics">ChromosomePair</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/genetics/OnePointCrossover.html#crossover(org.apache.commons.math3.genetics.Chromosome, org.apache.commons.math3.genetics.Chromosome)">crossover</a></strong>(<a href="../../../../../org/apache/commons/math3/genetics/Chromosome.html" title="class in org.apache.commons.math3.genetics">Chromosome</a> first, |
| <a href="../../../../../org/apache/commons/math3/genetics/Chromosome.html" title="class in org.apache.commons.math3.genetics">Chromosome</a> second)</code> |
| <div class="block">Performs one point crossover.</div> |
| </td> |
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| <h4>OnePointCrossover</h4> |
| <pre>public OnePointCrossover()</pre> |
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| <h4>crossover</h4> |
| <pre>public <a href="../../../../../org/apache/commons/math3/genetics/ChromosomePair.html" title="class in org.apache.commons.math3.genetics">ChromosomePair</a> crossover(<a href="../../../../../org/apache/commons/math3/genetics/Chromosome.html" title="class in org.apache.commons.math3.genetics">Chromosome</a> first, |
| <a href="../../../../../org/apache/commons/math3/genetics/Chromosome.html" title="class in org.apache.commons.math3.genetics">Chromosome</a> second) |
| throws <a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a>, |
| <a href="../../../../../org/apache/commons/math3/exception/MathIllegalArgumentException.html" title="class in org.apache.commons.math3.exception">MathIllegalArgumentException</a></pre> |
| <div class="block">Performs one point crossover. A random crossover point is selected and the |
| first part from each parent is copied to the corresponding child, and the |
| second parts are copied crosswise. |
| |
| Example: |
| <pre> |
| -C- denotes a crossover point |
| -C- -C- |
| p1 = (1 0 1 0 0 1 | 0 1 1) X p2 = (0 1 1 0 1 0 | 1 1 1) |
| \------------/ \-----/ \------------/ \-----/ |
| || (*) || (**) |
| VV (**) VV (*) |
| /------------\ /-----\ /------------\ /-----\ |
| c1 = (1 0 1 0 0 1 | 1 1 1) X c2 = (0 1 1 0 1 0 | 0 1 1) |
| </pre></div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../org/apache/commons/math3/genetics/CrossoverPolicy.html#crossover(org.apache.commons.math3.genetics.Chromosome, org.apache.commons.math3.genetics.Chromosome)">crossover</a></code> in interface <code><a href="../../../../../org/apache/commons/math3/genetics/CrossoverPolicy.html" title="interface in org.apache.commons.math3.genetics">CrossoverPolicy</a></code></dd> |
| <dt><span class="strong">Parameters:</span></dt><dd><code>first</code> - first parent (p1)</dd><dd><code>second</code> - second parent (p2)</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>pair of two children (c1,c2)</dd> |
| <dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="../../../../../org/apache/commons/math3/exception/MathIllegalArgumentException.html" title="class in org.apache.commons.math3.exception">MathIllegalArgumentException</a></code> - iff one of the chromosomes is |
| not an instance of <a href="../../../../../org/apache/commons/math3/genetics/AbstractListChromosome.html" title="class in org.apache.commons.math3.genetics"><code>AbstractListChromosome</code></a></dd> |
| <dd><code><a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if the length of the two chromosomes is different</dd></dl> |
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