?? f6_linear_dyn.m
字號:
% f6_linear_dyn.m
% Schaffer's F6 function
% commonly used to test optimization/global minimization problems
%
% This version moves the minimum linearly along a 45 deg angle in x,y space
% Brian Birge
% Rev 1.0
% 9/12/04
function [out]=f6_linear_dyn(in)
% parse input
x = in(:,1);
y = in(:,2);
% find current minimum based on clock
offset = linear_dyn(.5); % this is in 'hiddenutils'
x_center = offset;
y_center = offset;
num = sin(sqrt((x-x_center).^2+(y-y_center).^2)).^2 - 0.5;
den = (1.0+0.01*((x-x_center).^2+(y-y_center).^2)).^2;
out = 0.5 + num./den;
return
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