keep first time a value appear in a colomn and replace following ones
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Good evening, Supposing I have the following matrix A= 5*3 =[1 1 1; 1 1 1; 1 0 1 ; 1 0 0; 1 0 0] What i want to do is to keep the first zero of each colomn and to replace following zeros by 1, so that i get a matrix B =5*3= [1 1 1; 1 1 1; 1 0 1 ; 1 1 0; 1 1 1]
Thank you in advance
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Jos (10584)
il 29 Mag 2015
This will keep the first zero in each row of A and replace every following zero with one:
A(A==0 & cumsum(A==0,2)>1) = 1
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