The GA Playground: Rosenbrock's Function
The GA Playground: Rosenbrock's Function
A widely used multimodal test function
Formulation:
Minimize:
f(x) = sum(100*(x[i]-x[i-1]^2)^2 + (1-x[i-1])^2
-2.048 <= x(i) <= 2.048
global minimum
f(x) = 0
x(i) = 1.0, i=1:n
Problem Specific Notes:
The problem definition file is Rosenbrock.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
You either do not have Java support or it is disabled in your browser
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Ariel Dolan
aridolan@netvision.net.il
Tel. 972-3-7526264
Fax. 972-3-5752173
Last modified on: Tuesday, 30 June, 1998.
