Initial version of the tutorial.
Warning: all Makefile's are hand-made, and will only work in Linux
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eo/tutorial/html/Firstmerge.html
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eo/tutorial/html/Firstmerge.html
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<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
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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 2.2.17-21mdksmp i686) [Netscape]">
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<title>Differences</title>
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</head>
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<body text="#000000" link="#0000EE" vlink="#551A8B" alink="#FF0000" background="beige009.jpg">
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<a href="eoLesson1.html">Back to Lesson 1</a> -
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<a href="eoTutorial.html">Tutorial
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main page</a> -
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<a href="eoTopDown.html">Top-Down page</a> - <a href="eoBottomUp.html">Bottom-up
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page</a> - <a href="eoProgramming.html">Programming hints</a> - <a href="doc/html/index.html">EO
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documentation</a>
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<br>
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<hr WIDTH="100%"><!-- -------------- End of header ------------------ --><!-- ----------------------------------------------- -->
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<center>
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<h1>
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<font color="#FF0000">FirstBitGA and FirstRealGA: differences</font></h1></center>
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Below is a comparison of the codes for both algorithms (comments have been
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removed).
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<br><b><font color="#FF6600">Warning</font></b>: the <font color="#FF6666">pink
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background</font> here denotes the differences, not the section of
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the algorithm, which is only recalled by the color of the text!
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<br>These differences are limited to
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<ul>
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<li>
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the declaration of <font color="#666600">the type of the genotypes,</font></li>
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<li>
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the <font color="#990000">fitness function</font> (what did you expect
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:-),</li>
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<li>
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the <font color="#CC33CC">initialization</font> (and if you look carefully,
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you'll find out that only a small part of the initialization is different,
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as both genotypes are eoFixedLength objects) and of course</li>
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<li>
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the choice of <font color="#CC33CC">variation operators </font>(including
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the parameter for the mutation).</li>
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</ul>
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<table BORDER=0 CELLPADDING=5 COLS=2 WIDTH="100%" BGCOLOR="#C3C2B4" >
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<tr>
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<td BGCOLOR="#C3C2B4"><font face="Courier New,Courier"><font color="#993300">#include
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<stdexcept ></font></font>
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<br><font face="Courier New,Courier"><font color="#993300">#include <iostream></font></font>
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<br><font face="Courier New,Courier"><font color="#993300">#include <strstream></font></font>
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<br><font face="Courier New,Courier"><font color="#FF6666">#include <eo></font></font></td>
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<td BGCOLOR="#C3C2B4"><font face="Courier New,Courier"><font color="#993300">#include
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<stdexcept ></font></font>
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<br><font face="Courier New,Courier"><font color="#993300">#include <iostream></font></font>
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<br><font face="Courier New,Courier"><font color="#993300">#include <strstream></font></font>
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<br><font face="Courier New,Courier"><font color="#FF6666">#include <eo></font></font></td>
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</tr>
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<tr>
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<td BGCOLOR="#F0C6B7"><font face="Courier New,Courier"><font color="#FFFF00">typedef
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eoReal<double> Indi;</font></font></td>
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<td BGCOLOR="#F0C6B7"><font face="Courier New,Courier"><font color="#FFFF00">typedef
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eoBin<double> Indi;</font></font></td>
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</tr>
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<tr>
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<td BGCOLOR="#F0C6B7"><font face="Courier New,Courier"><font color="#CC0000">double
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real_value(const Indi & _indi)</font></font>
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<br><font face="Courier New,Courier"><font color="#CC0000">{</font></font>
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<br><font face="Courier New,Courier"><font color="#CC0000"> double
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sum = 0;</font></font>
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<br><font face="Courier New,Courier"><font color="#CC0000"> for (unsigned
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i = 0; i < _indi.size(); i++)</font></font>
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<br><font face="Courier New,Courier"><font color="#CC0000">
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sum += _indi[i]*_indi[i];</font></font>
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<br><font face="Courier New,Courier"><font color="#CC0000"> return
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(-sum); // maximizing</font></font>
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<br><font face="Courier New,Courier"><font color="#CC0000">}</font></font></td>
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<td BGCOLOR="#F0C6B7"><font face="Courier New,Courier"><font color="#CC0000">double
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binary_value(const Indi & _indi)</font></font>
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<br><font face="Courier New,Courier"><font color="#CC0000">{</font></font>
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<br><font face="Courier New,Courier"><font color="#CC0000"> double
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sum = 0;</font></font>
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<br><font face="Courier New,Courier"><font color="#CC0000"> for (unsigned
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i = 0; i < _indi.size(); i++)</font></font>
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<br><font face="Courier New,Courier"><font color="#CC0000">
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sum += _indi[i];</font></font>
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<br><font face="Courier New,Courier"><font color="#CC0000"> return
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(sum);</font></font>
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<br><font face="Courier New,Courier"><font color="#CC0000">}</font></font></td>
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</tr>
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<tr>
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<td BGCOLOR="#C3C2B4"><font face="Courier New,Courier"><font color="#993300">void
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main_function(int argc, char **argv)</font></font>
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<br><font face="Courier New,Courier">{</font>
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<br><font face="Courier New,Courier"><font color="#3366FF">const unsigned
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int SEED = 42;</font></font>
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<br><font face="Courier New,Courier"><font color="#3366FF">const unsigned
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int VEC_SIZE = 8;</font></font>
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<br><font face="Courier New,Courier"><font color="#3366FF">const unsigned
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int POP_SIZE = 20;</font></font>
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<br><font face="Courier New,Courier"><font color="#3366FF">const unsigned
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int T_SIZE = 3;</font></font>
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<br><font face="Courier New,Courier"><font color="#3366FF">const unsigned
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int MAX_GEN = 500;</font></font>
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<br><font face="Courier New,Courier"><font color="#3366FF">const float
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CROSS_RATE = 0.8;</font></font>
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<br><font face="Courier New,Courier"><font color="#3366FF">const float
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MUT_RATE = 0.5;</font></font></td>
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<td BGCOLOR="#C3C2B4"><font face="Courier New,Courier"><font color="#993300">void
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main_function(int argc, char **argv)</font></font>
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<br><font face="Courier New,Courier">{</font>
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<br><font face="Courier New,Courier"><font color="#3366FF">const unsigned
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int SEED = 42;</font></font>
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<br><font face="Courier New,Courier"><font color="#3366FF">const unsigned
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int VEC_SIZE = 8;</font></font>
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<br><font face="Courier New,Courier"><font color="#3366FF">const unsigned
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int POP_SIZE = 20;</font></font>
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<br><font face="Courier New,Courier"><font color="#3366FF">const unsigned
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int T_SIZE = 3;</font></font>
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<br><font face="Courier New,Courier"><font color="#3366FF">const unsigned
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int MAX_GEN = 500;</font></font>
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<br><font face="Courier New,Courier"><font color="#3366FF">const float
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CROSS_RATE = 0.8;</font></font>
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<br><font face="Courier New,Courier"><font color="#3366FF">const float
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MUT_RATE = 0.5;</font></font></td>
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</tr>
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<tr>
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<td BGCOLOR="#F0C6B7"><font face="Courier New,Courier"><font color="#3366FF">const
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double EPSILON = 0.01;</font></font></td>
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<td BGCOLOR="#F0C6B7"><font face="Courier New,Courier"><font color="#3366FF">const
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double P_MUT_PER_BIT = 0.01;</font></font></td>
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</tr>
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<tr>
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<td BGCOLOR="#F0C6B7"><font face="Courier New,Courier"><font color="#CC0000">eoEvalFuncPtr<Indi>
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eval(real_value);</font></font></td>
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<td BGCOLOR="#F0C6B7"><font face="Courier New,Courier"><font color="#CC0000">eoEvalFuncPtr<Indi>
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eval(binary_value);</font></font></td>
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</tr>
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<tr>
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<td BGCOLOR="#C3C2B4"><font face="Courier New,Courier"><font color="#CC33CC">eoPop<Indi>
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pop;</font></font>
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<br><font face="Courier New,Courier"><font color="#CC33CC">for (unsigned
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int igeno=0; igeno<POP_SIZE; igeno++)</font></font>
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<br><font face="Courier New,Courier"><font color="#CC33CC"> {</font></font>
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<br><font face="Courier New,Courier"><font color="#CC33CC">
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Indi v;</font></font>
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<br><font face="Courier New,Courier"><font color="#CC33CC">
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for (unsigned ivar=0; ivar<VEC_SIZE; ivar++)</font></font>
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<br><font face="Courier New,Courier"><font color="#CC33CC">
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{</font></font></td>
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<td BGCOLOR="#C3C2B4"><font face="Courier New,Courier"><font color="#CC33CC">eoPop<Indi>
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pop;</font></font>
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<br><font face="Courier New,Courier"><font color="#CC33CC">for (unsigned
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int igeno=0; igeno<POP_SIZE; igeno++)</font></font>
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<br><font face="Courier New,Courier"><font color="#CC33CC"> {</font></font>
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<br><font face="Courier New,Courier"><font color="#CC33CC">
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Indi v;</font></font>
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<br><font face="Courier New,Courier"><font color="#CC33CC">
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for (unsigned ivar=0; ivar<VEC_SIZE; ivar++)</font></font>
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<br><font face="Courier New,Courier"><font color="#CC33CC">
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{</font></font></td>
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</tr>
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<tr>
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<td BGCOLOR="#F0C6B7"><font face="Courier New,Courier"><font color="#CC33CC">
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double r = 2*rng.uniform() - 1;</font></font></td>
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<td BGCOLOR="#F0C6B7"><font face="Courier New,Courier"><font color="#CC33CC">
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bool r = rng.flip(); </font></font></td>
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</tr>
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<tr>
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<td BGCOLOR="#C3C2B4"><font face="Courier New,Courier"><font color="#CC33CC">
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v.push_back(r); //</font></font>
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<br><font face="Courier New,Courier"><font color="#CC33CC">
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}</font></font>
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<br><font face="Courier New,Courier"><font color="#CC33CC">
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eval(v);</font></font>
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<br><font face="Courier New,Courier"><font color="#CC33CC">
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pop.push_back(v);</font></font>
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<br><font face="Courier New,Courier"><font color="#CC33CC"> }</font></font>
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<br><font face="Courier New,Courier"><font color="#3366FF">pop.sort();</font></font>
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<br><font face="Courier New,Courier"><font color="#3366FF">cout <<
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"Initial Population" << endl;</font></font>
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<br><font face="Courier New,Courier"><font color="#3366FF">cout <<
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pop;</font></font>
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<br><font face="Courier New,Courier"><font color="#009900">eoDetTournament<Indi>
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select(T_SIZE);</font></font>
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<br><font face="Courier New,Courier"><font color="#3366FF">eoGenContinue<Indi>
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continuator(MAX_GEN);</font></font></td>
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<td BGCOLOR="#C3C2B4"><font face="Courier New,Courier"><font color="#CC33CC">
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v.push_back(r); //</font></font>
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<br><font face="Courier New,Courier"><font color="#CC33CC">
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}</font></font>
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<br><font face="Courier New,Courier"><font color="#CC33CC">
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eval(v);</font></font>
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<br><font face="Courier New,Courier"><font color="#CC33CC">
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pop.push_back(v);</font></font>
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<br><font face="Courier New,Courier"><font color="#CC33CC"> }</font></font>
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<br><font face="Courier New,Courier"><font color="#3366FF">pop.sort();</font></font>
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<br><font face="Courier New,Courier"><font color="#3366FF">cout <<
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"Initial Population" << endl;</font></font>
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<br><font face="Courier New,Courier"><font color="#3366FF">cout <<
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pop;</font></font>
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<br><font face="Courier New,Courier"><font color="#009900">eoDetTournament<Indi>
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select(T_SIZE);</font></font>
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<br><font face="Courier New,Courier"><font color="#3366FF">eoGenContinue<Indi>
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continuator(MAX_GEN);</font></font></td>
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</tr>
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<tr>
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<td BGCOLOR="#F0C6B7"><font face="Courier New,Courier"><font color="#CC33CC">eoUniformMutation<Indi>
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mutation(EPSILON);</font></font>
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<br><font face="Courier New,Courier"><font color="#CC33CC">eoArithmeticCrossover<Indi>
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xover;</font></font></td>
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<td BGCOLOR="#F0C6B7"><font face="Courier New,Courier"><font color="#CC33CC">eoBinMutation<Indi>
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mutation(P_MUT_PER_BIT);</font></font>
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<br><font face="Courier New,Courier"><font color="#CC33CC">eoBinCrossover<Indi>
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xover;</font></font></td>
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</tr>
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<tr>
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<td BGCOLOR="#C3C2B4">
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<br><font face="Courier New,Courier"><font color="#FF6666">eoSGA<Indi>
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gga(select, xover, CROSS_RATE,</font></font>
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<br><font face="Courier New,Courier"><font color="#FF6666">
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mutation, MUT_RATE, eval, continuator);</font></font>
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<br><font face="Courier New,Courier"><font color="#FF6666">gga(pop);</font></font>
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<br><font face="Courier New,Courier"><font color="#3366FF">pop.sort();</font></font>
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<br><font face="Courier New,Courier"><font color="#3366FF">cout <<
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"FINAL Population\n" << pop << endl;</font></font>
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<br><font face="Courier New,Courier">}</font>
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<br><font face="Courier New,Courier"><font color="#993300">int main(int
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argc, char **argv)</font></font>
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<br><font face="Courier New,Courier"><font color="#993300">{</font></font>
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<br><font face="Courier New,Courier"><font color="#993300">... [technical
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code removed]</font></font>
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<br><font face="Courier New,Courier"><font color="#993300">}</font></font></td>
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<td BGCOLOR="#C3C2B4">
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<br><font face="Courier New,Courier"><font color="#FF6666">eoSGA<Indi>
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gga(select, xover, CROSS_RATE,</font></font>
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<br><font face="Courier New,Courier"><font color="#FF6666">
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mutation, MUT_RATE,</font></font>
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<br><font face="Courier New,Courier"><font color="#FF6666">eval, continuator);</font></font>
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<br><font face="Courier New,Courier"><font color="#FF6666">gga(pop);</font></font>
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<br><font face="Courier New,Courier"><font color="#3366FF">pop.sort();</font></font>
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<br><font face="Courier New,Courier"><font color="#3366FF">cout <<
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"FINAL Population\n" << pop << endl;</font></font>
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<br><font face="Courier New,Courier">}</font>
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<br><font face="Courier New,Courier"><font color="#993300">int main(int
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argc, char **argv)</font></font>
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<br><font face="Courier New,Courier"><font color="#993300">{</font></font>
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<br><font face="Courier New,Courier"><font color="#993300">[... technical
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code removed ]</font></font>
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<br><font face="Courier New,Courier"><font color="#993300">}</font></font></td>
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</tr>
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</table>
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<hr WIDTH="100%"><a href="eoLesson1.html">Back to Lesson 1</a> -
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<a href="eoTutorial.html">Tutorial
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main page</a> -
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<a href="eoTopDown.html">Top-Down page</a> - <a href="eoBottomUp.html">Bottom-up
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page</a> - <a href="eoProgramming.html">Programming hints</a> - <a href="doc/html/index.html">EO
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documentation</a>
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<br>
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<hr>
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<address>
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<a href="mailto:marc@cmapx.polytechnique.fr">Marc Schoenauer</a></address>
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<br><!-- Created: Tue Nov 7 07:04:15 CET 2000 --><!-- hhmts start -->Last
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modified: Tue Nov 7 07:49:47 CET 2000<!-- hhmts end -->
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</body>
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</html>
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