A few errors + local TOC at top of eoEngine
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2 changed files with 73 additions and 74 deletions
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@ -2,12 +2,12 @@
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<meta name="GENERATOR" content="Mozilla/4.75 [en] (X11; U; Linux 2.2.17-21mdk i686) [Netscape]">
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<meta name="GENERATOR" content="Mozilla/4.75 [en] (X11; U; Linux 2.2.17-21mdksmp i686) [Netscape]">
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<title>Variation Operators</title>
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</head>
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<body text="#000000" link="#0000EF" vlink="#51188E" alink="#FF0000" background="beige009.jpg">
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<b><font color="#FF0000">General</font></b>: <a href="eoTopDown.html">Algorithm-Based
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page</a> - <a href="eoBottomUp.html">Component-Based</a> - <a href="eoProgramming.html">Programming
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<b><font color="#FF0000">General</font></b>: <a href="eoTopDown.html">Algorithm-Based</a>
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- <a href="eoBottomUp.html">Component-Based</a> - <a href="eoProgramming.html">Programming
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hints</a> - <b><font face="Arial,Helvetica"><font size=+1><a href="../../doc/html/index.html">EO
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documentation</a></font></font></b>
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<br>
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@ -105,8 +105,7 @@ the <b><font face="Arial,Helvetica"><font size=+1><a href="../../doc/html/class_
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class.</li>
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</ul>
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<hr WIDTH="100%">
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<a NAME="crossover"></a><b><font size=+1><font color="#000099">Simple
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<hr WIDTH="100%"><a NAME="crossover"></a><b><font size=+1><font color="#000099">Simple
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operators: </font><font color="#FF0000">Crossover</font></font></b>
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<p>The characteristic of crossover operators is that they involve two parents.
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However, there are crossover operators that generate two parents, and some
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@ -236,8 +235,7 @@ EO might not know it should compute the fitness again and will keep the
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old value.</li>
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</ul>
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<hr WIDTH="100%">
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<a NAME="proportional_simple"></a><b><font size=+1><font color="#000099">Combining
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<hr WIDTH="100%"><a NAME="proportional_simple"></a><b><font size=+1><font color="#000099">Combining
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simple operators: </font><font color="#FF0000">proportional combinations</font></font></b>
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<p>The best thing to do is to go to the <a href="eoLesson2.html#combined_operators">Lesson2</a>
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of the tutorial, where everything is explained. You will find out how you
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@ -289,18 +287,18 @@ _pop)</font></tt></b>
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<br><b><tt><font color="#993300">{</font></tt></b>
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<br><tt><font color="#993300"><b> EOT & eo1 = *_pop; </b>// get
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(select if necessary) the guy</font></tt>
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<br><tt><font color="#993300"><b> ++_pop;
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<br><tt><font color="#993300"><b> ++_pop;
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</b>// advance</font></tt>
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<br><tt><font color="#993300"><b> EOT & eo2 = *_pop; </b>// get
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(select if necessary) the guy</font></tt>
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<br><tt><font color="#993300"><b> ++_pop;
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<br><tt><font color="#993300"><b> ++_pop;
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</b>// advance</font></tt>
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<br><b><tt><font color="#993300">...</font></tt></b>
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<br><tt><font color="#993300"><b> EOT & eoN = *_pop; </b>// get
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(select if necessary) the guy</font></tt>
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<br><tt><font color="#993300"><b> ++_pop;
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<br><tt><font color="#993300"><b> ++_pop;
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</b>// advance</font></tt>
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<p><tt><font color="#993300">// do whatever the operator is supposed to
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@ -320,14 +318,12 @@ were parents</font>, it needs to insert them into the list using the <b><tt><fon
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method of the class <b><font color="#999900">eoPopulator</font></b> as
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in the following:</li>
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<br>
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<p>
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<p><b><tt><font color="#993300">void operator()(</font><font color="#999900">eoPopulator</font><font color="#993300">&
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<p><br><b><tt><font color="#993300">void operator()(</font><font color="#999900">eoPopulator</font><font color="#993300">&
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_pop)</font></tt></b>
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<br><b><tt><font color="#993300">{</font></tt></b>
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<br><tt><font color="#993300"><b> EOT & eo1 = *_pop; </b>// get
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(select if necessary) the guy</font></tt>
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<br><tt><font color="#993300"><b> ++_pop;
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<br><tt><font color="#993300"><b> ++_pop;
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</b>// advance</font></tt>
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<br><tt><font color="#993300"> // Now create second offspring - eo1
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@ -351,36 +347,45 @@ If you think "generational", the first idea is to get the parents from
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outside the curent list, so the total number of (intermediate) offspring
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is always equal to the initial population size. By chance, the <b><font color="#999900">eoPopulator</font></b>has
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a handle on the initial population that was used to start the process,
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and you can access it from inside the GenOp method. For instance
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and you can access it from inside the GenOp method. For instance</li>
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<br>
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<p>
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<p><b><tt><font color="#993300">void operator()(</font><font color="#999900">eoPopulator</font><font color="#993300">&
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_pop)</font></tt></b>
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<br><b><tt><font color="#993300">{</font></tt></b>
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<br><tt><font color="#993300"><b> EOT & eo1 = *_pop; </b>// get
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(select if necessary) the guy</font></tt>
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<br><tt><font color="#993300"><b> ++_pop; </b>// advance</font></tt>
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<br><tt><font color="#993300"><b> ++_pop;
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</b>// advance</font></tt>
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<br><b><tt><font color="#993300"> const EOT & eo2 = </font><font color="#009900">select</font><font color="#993300">(_pop.source());</font></tt></b>
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<p>where select is any selector you like. Note the const: you are not allowed
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to modify an element of the original population (but you could of course
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have copied it!). Now to find out where that selector comes from, you'll
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have to wait until next section. If you can't wait, go directly there.</li>
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have to wait until next section. If you can't wait, go directly there.
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<li>
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If you don't care about the size of the offspring population, you can use
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the delete method of the class <b><font color="#999900">eoPopulator</font></b>.
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For instance
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For instance</li>
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<br><b><tt><font color="#993300">void operator()(</font><font color="#999900">eoPopulator</font><font color="#993300">&
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_pop)</font></tt></b>
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<br><b><tt><font color="#993300">{</font></tt></b>
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<br><tt><font color="#993300"><b> EOT & eo1 = *_pop; </b>// get
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(select if necessary) the guy</font></tt>
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<br><tt><font color="#993300"><b> ++_pop; </b>// advance</font></tt>
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<br><tt><font color="#993300"><b> ++_pop;
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</b>// advance</font></tt>
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<br><tt><font color="#993300"><b> EOT & eo2 = *_pop; </b>// get
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(select if necessary) the guy</font></tt>
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<br><tt><font color="#993300"><b> ++_pop; </b>// advance</font></tt>
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<br><tt><font color="#993300"><b> ++_pop;
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</b>// advance</font></tt>
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<br><tt><font color="#993300"> // do whatever needs to be done, modifying
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eo1 but not eo2</font></tt>
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<br><tt><font color="#993300"><b> _pop.delete(); </b>//
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removes (untouched) eo2 from the list</font></tt></li></ul>
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removes (untouched) eo2 from the list</font></tt></ul>
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</ul>
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<b><font color="#FF6600">Warning</font></b>: if you use operators that
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have different number of parents than offspring, you are deviating from
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@ -636,10 +641,10 @@ _pop)</font></tt></b>
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<br><b><tt><font color="#993300">{</font></tt></b>
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<br><tt><font color="#993300"><b> EOT & eo1 = *_pop; </b>// get
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(select if necessary) the first guy</font></tt>
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<br><b><tt><font color="#993300"> ++_pop;
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<br><b><tt><font color="#993300"> ++_pop;
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</font></tt></b><tt><font color="#993300">// advance</font></tt>
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<br><b><tt><font color="#993300"> EOT & eo2 = </font><font color="#009900">findBlonde</font><font color="#993300">(_pop.source());
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<br><b><tt><font color="#993300"> EOT & eo2 = </font><font color="#009900">findBlonde</font><font color="#993300">(_pop.source());
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</font></tt></b><tt><font color="#993300">// select mate</font></tt>
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<br><tt><font color="#993300">// do whatever the operator is supposed to
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@ -656,8 +661,8 @@ in its constructor for instance, which should give something like:
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- <a href="#proportional_simple">Combinations</a> - <a href="#general">General
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Operators</a> - <a href="#populators">Populators</a> - <a href="#general_combination">General
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combinations</a>- <a href="#advanced_general">Advanced operators
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<hr WIDTH="100%"></a><b><font color="#FF0000">General</font></b>: <a href="eoTopDown.html">Algorithm-Based
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page</a> - <a href="eoBottomUp.html">Component-Based</a> - <a href="eoProgramming.html">Programming
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<hr WIDTH="100%"></a><b><font color="#FF0000">General</font></b>: <a href="eoTopDown.html">Algorithm-Based</a>
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- <a href="eoBottomUp.html">Component-Based</a> - <a href="eoProgramming.html">Programming
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hints</a> -<b><font face="Arial,Helvetica"><font size=+1><a href="../../doc/html/index.html">EO
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documentation</a></font></font></b>
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<br>
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