The GA Playground: Ackley's Function

A widely used multimodal test function

Formulation:

Minimize:

f(x) = 20+e-20*exp(-0.2*(sqrt((1/n)*sum(x(i)^2))-exp((1/n)*sum(cos(2*Pi*x(i)))

-32.768 <= x(i) <= 32.768.

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