function Y= fft_timereverse(X)% function Y= fft_timereverse(X)%   This file is part of the TFPM toolbox v0.5 (c)%   michael.jachan@tuwien.ac.at and underlies the GPL.% % Comutes the time-reverse vector of the vector X. If X is a% matrix, every column is reversed. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%if(0)% TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%X= [1 4;2 3;3 2;4 1];%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%end;% TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%Y= [X(1, :); flipud(X(2:end, :))];