?? expander.m
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%% EXPANDER: y=expander(x,L) % When x is a vector, this function adds L-1 after each element of x. % When x is a matrix, each column of it treated as vector and expanded L% fold.function y=expander(x,L)[M,N]=size(x);if (N==1)|(M==1) if M<N y=zeros(1,N*L); y(1:L:end)=x; else y=zeros(M*L,1); y(1:L:end)=x; endelse y=zeros(M*L,N); y(1:L:end,:)=x;end
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