function Gpath=Mutation(Gpath,Pm,Popsize)
%位對調變異
[row,col]=size(Gpath);
for i=1:Popsize
    for j=1:col
        tempPm=rand(1);
        if(tempPm<Pm)
            temp=randperm(col-j+1);
            Gpath(i,j)=temp(1);
        end
    end
end