fitpop.m
来自「一个启发式搜索算法 给初学者用的 随便参考着用 提供了多种策略」· M 代码 · 共 16 行
M
16 行
function y=fitpop(thetabit,bits,loss)
% J. C. Spall, August 1999
% This function returns a vector of N fitness values.
global p N thetamin thetamax
theta=zeros(p,1);
for i=1:N
pointer=1;
for j=1:p
theta(j)=bit2num(thetabit(i,pointer:pointer+bits(j)-1),...
bits(j),thetamin(j),thetamax(j));
pointer=pointer+bits(j);
end
fitness(i)=-feval(loss,theta);
end
y=fitness;
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