function [y,Y]=ordena(x,X,s); n=length(x(:,1)); L=length(s(1,:)); P=permugen([1:n]); I=eye(n); for k=1:length(P(:,1)) for ind=1:n M(ind,:,k)=I(P(k,ind),:); end end for k=1:n aux(k,:)=x(k,1:L); end clear x; x=aux; clear aux; for k=1:n aux(:,:,k)=M(:,:,k)*x; error(k,:)=sum(sum((abs(aux(:,:,k)-s)).')); end ind=find(error==min(error)); y=M(:,:,ind)*x; for k1=1:n ind=2^(n-k)*M(k,)