The GA Playground: Griewank's Function

A widely used multimodal test function

Formulation:

Minimize:

f(x) = 1/4000*sum(xi-100)^2 - prod((xi-100)/sqrt(i)) + 1

-600 <= x(i) <= 600

global minimum

f(x) = 0

x(i) = 0, i=1:n

Problem Specific Notes:

Instructions:

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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.