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The GA Playground: Rastrigin's Function
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A widely used multimodal test function
Formulation:
Minimize:
f(x) = 10.0*n + sum(x(i)^2 - 10.0*cos(2*Pi*x(i)))
-5.12 <= x(i) <= 5.12
global minimum
f(x) = 0
x(i) = 0, i=1:n
Problem Specific Notes:
- The problem definition file is Rastrigin.par
- The file defines a 10-dimensions problem (n=10)
- The dimension can be changed by modifying he "Number of Genes" parameter
Instructions:
- The applet requires a browser that supports JDK 1.1.5 or above
- The applet has a relatively long loading time
- Hide browser's toolbars to make the whole applet visible without scrolling
- Optionally select 'Parameters' from the 'GA' menu to modify problem attributes
- Select 'Execute' from the 'GA' menu to run the program
- Status bar help tips can be toggled On or Off through the 'Options' menu
- Text window reporting can be toggled On or Off through the 'Options/Switches' menu
Ariel Dolan
aridolan@netvision.net.il
