Adding SecondRealEA
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2 changed files with 490 additions and 11 deletions
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@ -42,13 +42,13 @@ First, but you should now have done it without being told, go into the
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sub-dir</font> of the tutorial dir and type
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<b><tt><font color="#990000"><font size=+1>make</font></font></tt></b>.
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This will compile the <b><tt><font color="#660000"><font size=+1>SecondBitEA</font></font></tt></b>
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program (and, some day, SecondRealEA).
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and <b><tt><font color="#660000"><font size=+1>SecondRealEA</font></font></tt></b>
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programs.
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<p>You can then either
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<ul>
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<li>
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browse the corresponding code (only <a href="SecondBitEA.html">SecondBitEA</a>
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available right now, but you can figure out how SecondRealEA will look
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like),</li>
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browse the corresponding code (<a href="SecondBitEA.html">SecondBitEA</a>
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and <a href="SecondRealEA.html">SecondRealEA</a>),</li>
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<li>
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look at the <a href="#changes">summary of changes</a>,</li>
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@ -139,7 +139,8 @@ See the parameter section of the Component-Based tutorial, or wait until
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<li>
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<font color="#000000">The </font><b><tt><font color="#3366FF">eoParser</font></tt></b><font color="#000000">
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class, whose only purpose is the input of parameters.</font></li>
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class, whose only purpose is the input of parameters. Read <a href="../../doc/html/classeo_parser.html">its
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description</a> if you are interested.</font></li>
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</ul>
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<hr WIDTH="50%"><a NAME="paraminput"></a><b><font color="#000099">eoParser:</font><font color="#FF0000">
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@ -171,7 +172,7 @@ and optionally by a <font color="#FF6600">short (1 character) keyword</font>.</l
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the general syntax to modify parameter value at run-time is (either from
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the command-line or in a text file)</li>
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<br>
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<br>
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<b><tt><font color="#660000">--longKeyword=value</font></tt></b>
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or <b><tt><font color="#660000">-cvalue</font></tt></b>
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@ -183,12 +184,12 @@ so, after compiling the executable for Lesson 3 (<b><tt><font color="#FF6666">ma
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lesson3</font></tt></b> at system prompt in Unix), you can try to type
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in</li>
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<br>
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<br>
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<b><tt><font color="#FF6666">SecondBitEA</font></tt></b>
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<br>and see the algorithm run as before (OneMax optimized on 8-bits bitstrings).
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But you can now type in
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<br>
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<br>
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<b><tt><font color="#FF6666">SecondBitEA --vecSize=100</font></tt></b>
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<br>and see the output of the optimization of OneMax on 100-bit bitstrings.
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@ -196,7 +197,7 @@ But you can now type in
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<li>
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Take a look at all available parameters by typing in</li>
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<br>
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<br>
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<b><tt><font color="#FF6666">SecondBitEA --help</font></tt></b>
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<br>or by going into the code: all parameter inputs have been grouped in
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@ -209,7 +210,7 @@ it contains the list of all actual parameters used, and can directly be
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used as parameter input file: change the file name (e.g. to <b><tt><font color="#660000">SecondBitEA.param</font></tt></b>),
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edit it, change whichever parameter you want, and type in</li>
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<br>
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<br>
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<b><tt><font color="#FF6666">SecondBitEA @SecondBitEA.param</font></tt></b>
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<br>and you will see all values that you defined into the file taken into
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account.
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@ -249,7 +250,17 @@ somewhere else later (though of course this is not any useful for variable
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<b><tt><font color="#660000">seed</font></tt></b>!).</li>
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</ul>
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There is however another way to achieve the same result in less lines of
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code - with a different memory management (see <a href="eoLesson4.html#parameters">Lesson4</a>).
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code - with a different memory management. This is what is done in the
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code for eoRealEA. The same parameter for the <a href="eoProgramming.html#random">random
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number generator </a><b><tt><font color="#660000">seed</font></tt></b>
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is read, but in <a href="SecondRealEA.html#random">one single line of code</a>.
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The only difference is that now you cannot access the eoValueParam object
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itself - but this is not often necessary.
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<br>Be careful to ensure that the type of the default value in the call
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to <a href="../../doc/html/classeo_parameter_loader.html#a3">eoParameterLoader::createParam</a>
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method as this is the only way the compiler can desambiguate the template
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(remember that eoParameterLoader is <font color="#000000"><a href="../../doc/html/classeo_parser.html">a
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base class for eoParser</a></font>.
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<br>
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<hr WIDTH="100%">
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<br><a NAME="state"></a><b><font color="#000099"><font size=+2>eoState:
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