inversemutation.sci

来自「基于SCILAB的The Genetic Algorithm Toolbox f」· SCI 代码 · 共 28 行

function [p]= OInverseMutation(p1,bounds,Ops)
// function [c1,c2] = singlePtXover(p1,p2,bounds,Ops)
// p1      - the first parent ( [solution string function value] )
// bounds  - the bounds matrix for the solution space
// Ops     - Options matrix for simple crossover [gen #SimpXovers].

rng         = (bounds(:,2)-bounds(:,1))';         // The variable ranges'
numArranges     = rng + 1; 		          // Number of each arrages
cumArranges = cumsum([0 numArranges]);
xZomeLength = sum(numArranges)+1; 		  // Length of string is numVar + fit
p=p1;
for i= 1:size(numArranges,2)
    sz=numArranges(i);
    pfrom=(cumArranges(i)+1);
    pto=cumArranges(i+1);
    cut1 = floor(rand*sz);                        // Generate random cut point U(0,n-1)
    cut2 = floor(rand*sz);                        // Generate random cut point U(0,n-1)
    if ~(cut1==cut2)
        if (cut1>cut2)
            temp=cut2;
            cut2=cut1;
            cut1=temp;
        end
        c=p1((pfrom+cut1):(pfrom+cut2));
        p((pfrom+cut1):(pfrom+cut2))=c(cut2-cut1+1:-1:1);
    end

end