f2b.m

(用matlab编写的十进制的遗传算法程序)实数编码遗传算法

function [bval] = f2b(fval,bounds,bits)
% function [bval] = f2b(fval,bounds,bits)
%
% Return the binary representation of the float number fval.
%
% fval   - the float representation of the number
% bval   - the binary representation of the number
% bounds - the bounds on the variables
% bits   - the number of bits to represent each variable


scale=(2.^bits-1)./ (bounds(:,2)-bounds(:,1))'; %The range of the variables
numV=size(bounds,1);
cs=[0 cumsum(bits)];
bval=[];
for i=1:numV
  fval(i)=(fval(i)-bounds(i,1)) * scale(i);
  bval=[bval rem(floor(fval(i)*pow2(1-bits(i):0)),2)];
end