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A few deatils

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evomarc 2001-01-02 07:54:12 +00:00
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48
eo/tutorial/html/eoLesson1.html
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@ -33,19 +33,22 @@ follow the <a href="#tour">guided tour</a>.</li>
Later you will be asked to
<ul>
<li>
write your own <font color="#990000">fitness function</font>,</li>
<a href="#exercise1">write</a> your own <font color="#990000">fitness function</font>,</li>
<li>
use different kinds of <font color="#009900">selection procedures</font>
in the framework of a generational GA <font color="#009900">evolution engine</font>,</li>
<li>
check that EO let you separate the <font color="#999900">representation</font>
<a href="#exercise2">check</a> that EO let you separate the <font color="#999900">representation</font>
from the <font color="#009900">evolution engine</font>.</li>
<li>
<a href="#exercise3">use different kinds</a> of <font color="#009900">selection
procedures</font> in the framework of a generational GA <font color="#009900">evolution
engine</font>,</li>
</ul>
<h3>
<a NAME="run"></a><font color="#000099">I want to run an Evolutionary Algorithm
<hr WIDTH="100%"><a NAME="run"></a><font color="#000099">I want to run
an Evolutionary Algorithm
<b>now</b></font></h3>
You can choose to run a standard <a href="FirstBitGA.html">bitstring Genetic
Algorithm</a> (as defined in Goldberg's book) or a standard <a href="FirstRealGA.html">real-valued
@ -74,12 +77,16 @@ one individual per line, its fitness first, then the number of items (bits
or real numbers) of the genotype, and the genotype itself. The final population
hopefully contains the solution in the discrete case, and is close to it
in the continuous case.
<p><a NAME="browse"></a>You need now to take a look at either programs
by browsing alone through the&nbsp; sources for <a href="FirstBitGA.html">FirstBitGA</a>
and <a href="FirstRealGA.html">FirstRealGA</a>, or follow the guided tour
below, or go directly to the <a href="#exercise1">exercises</a>.
<br>
<hr WIDTH="100%"><a NAME="browse"></a><b><font color="#000099"><font size=+1>Browsing
the code:</font></font></b>
<p>Now you need to take a look at the program codes, either by browsing
alone through the&nbsp; sources for <a href="FirstBitGA.html">FirstBitGA</a>
and <a href="FirstRealGA.html">FirstRealGA</a>, or by following the guided
tour below. You might prefer to go directly to the <a href="#exercise1">exercises</a>.
<h3>
<a NAME="tour"></a><font color="#000099">Browsing the code:</font></h3>
<hr WIDTH="100%"><a NAME="tour"></a><font color="#000099">Guided tour:</font></h3>
<ul>
<li>
@ -299,8 +306,9 @@ discussing up to now!</font></li>
</ul>
<h3>
<a NAME="exercise1"></a><font color="#000099">Exercise 1: maximize your
own function</font></h3>
<hr WIDTH="100%"><a NAME="exercise1"></a><font color="#000099">Exercise
1: maximize your own function</font></h3>
This is very easy - if your search space is that of bitstring or of unbounded
real numbers.
<ul>
@ -328,7 +336,9 @@ at system prompt.</li>
</ul>
<h3>
<font color="#000099">Exercise 2: check the differences between both programs</font></h3>
<hr WIDTH="100%"><a NAME="exercise2"></a><font color="#000099">Exercise
2: check the differences between both programs</font></h3>
Go and take a look at the code for these programs <font color="#000000">(<a href="FirstBitGA.html">Bit</a>
- <a href="FirstRealGA.html">Real</a>)</font>. Use the symbolic representation
of an Evolutionary Algorithm (you should understand that figure now, otherwise
@ -337,9 +347,10 @@ part of the EA is coded. Try to spot the differences between both codes:
there are not so many!
<br>After you've tried that alone, take a look at the <a href="Firstmerge.html">solution</a>
:-)
<br>&nbsp;
<h3>
<font color="#000099">Exercise 3: change the selection procedure</font></h3>
<hr WIDTH="100%"><a NAME="exercise3"></a><font color="#000099">Exercise
3: change the selection procedure</font></h3>
This is rather straightforward ... if you know what other types of selection
are available!
<br>At the moment, let's only consider only the following simple ones:
@ -368,7 +379,8 @@ select;</font></tt></b></ul>
Note that all these classes of eoObjects are derived from the abstract
class
<b><font face="Arial,Helvetica"><font size=+1><a href="../../doc/html/class_eoselectone.html">eoSelectOne.</a></font></font></b>
<p><b><font color="#000099"><font size=+2>Lessons:</font></font></b>
<p>
<hr WIDTH="100%"><b><font color="#000099"><font size=+2>Lessons learned:</font></font></b>
<ul>
<li>
in EO, all actions are performed by <a href="eoProgramming.html#functors">functor

14
eo/tutorial/html/eoLesson2.html
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@ -2,7 +2,7 @@
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<meta name="GENERATOR" content="Mozilla/4.75 [en] (X11; U; Linux 2.2.17-21mdksmp i686) [Netscape]">
<meta name="GENERATOR" content="Mozilla/4.75 [en] (X11; U; Linux 2.2.17-21mdk i686) [Netscape]">
<title>Tutorial: Lesson 2</title>
<!-- Changed by: Marc Schoenauer, 29-Nov-2000 -->
</head>
@ -37,7 +37,7 @@ operators</font> of the same type</li>
stopping criteria</font></li>
<li>
use <font color="#009900"><a href="evolution">alternate</a> selection/replacement</font>
use <font color="#009900"><a href="#evolution">alternate</a> selection/replacement</font>
engines, deviating from the pure generational GA</li>
</ul>
@ -67,7 +67,9 @@ argument is a <a href="binary_value.html">vector&lt;bool></a> or a <a href="real
and not an unknown type. This will allow to use the same file for any EO
object that is a sub-class of the corresponding STL vector class.</font></li>
<p><br><b><font color="#FF0000">Note:</font></b> <font color="#000000">Also,
<br>&nbsp;
<p>&nbsp;
<p><b><font color="#FF0000">Note:</font></b> <font color="#000000">Also,
a non-templatized fitness can be </font><b><font color="#FF6600">compiled
separately</font></b><font color="#000000"> (not done here) into an object
file once and for all (<a href="eoProgramming.html#templates">remember</a>
@ -84,6 +86,8 @@ requires.</font></li>
<br>&nbsp;
<p>&nbsp;
<br>&nbsp;
<br>&nbsp;
<p><b><font color="#FF0000">Note:</font></b> <font color="#000000">In the
previous files (<a href="FirstBitGA.html#eval">Bit</a> - <a href="FirstRealGA.html#eval">Real</a>)
, the last 2 types were deduced from the first (2nd argument = fitness
@ -107,7 +111,9 @@ You can also use different initializers and call them in turn through the
call to <a href="../../doc/html/class_eopop.html#a2">pop.append()</a> function
(see <a href="#exercise2">Exercise 2</a>).</font></li>
<p><br><b><font color="#FF0000">Note</font><font color="#CC33CC">: </font></b><font color="#000000">Don't
<br>&nbsp;
<p>&nbsp;
<p><b><font color="#FF0000">Note</font><font color="#CC33CC">: </font></b><font color="#000000">Don't
forget to </font><b><font color="#CC0000">evaluate the population</font></b><font color="#000000">:
the eoPop has no idea of the eval function, so it has to be done from outside!!!</font>
<br>&nbsp;