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%************************************************************************************* % This function generates random +1/-1 sequence with independent identically % distributed symbols % % AUTHOR: Wenbin Luo % DATE : 04/28/01 % % SYNOPSIS: x = bingen(L) % L ---> number of random symbols %*********************************************************************************** function x = bingen(L) %generate L symbols randomly with value +1 or -1 x = rand(1,L); x(find(x<0.5)) = -1; x(find(x >=0.5)) = 1;