Creating matrix of 1's and 0's based on a comparison of values in two other matrixes
in [Matlab]
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From: Ulrik Nash on 11 May 2010 09:13 Hi Everyone, I have two matrixes: A = 1 2 3 4 5 1 and B = 1 3 Now I wish to create matrix C, which has the same dimensions as A. C should look like this: C = 0 0 1 1 1 0 C is generated by 'asking' for every number in a column of A, if that number is smaller than or equal to the number in the corresponding column of B. If this is the case, then a 0 is entered in C or else 1 is entered. I am sure there is a simple way of doing this in Matlab, but I haven't found it. I appreciate the help. /Ulrik.
From: Jos (10584) on 11 May 2010 09:19 "Ulrik Nash" <uwn(a)sam.sdu.dk> wrote in message <hsbl50$ivi$1(a)fred.mathworks.com>... > Hi Everyone, > > I have two matrixes: > > A = > > 1 2 > 3 4 > 5 1 > > and > > B = > > 1 3 > > Now I wish to create matrix C, which has the same dimensions as A. C should look like this: > > C = > > 0 0 > 1 1 > 1 0 > > C is generated by 'asking' for every number in a column of A, if that number is smaller than or equal to the number in the corresponding column of B. If this is the case, then a 0 is entered in C or else 1 is entered. > > I am sure there is a simple way of doing this in Matlab, but I haven't found it. > > I appreciate the help. > > /Ulrik. help bsxfun A = [1 2 ; 3 4 ; 51 1] B = [1 3] C = bsxfun(@lt, B, A) hth Jos
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