How can I generate the matrix [1 1; 1 2; 1 3 ; 2 1; 2 2; 2 3; 3 1 ; 3 2 ; 3 3] without loops?
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And given matrices XX and YY of sizes 3X3, how can I generate the following matrix:
[XX(1,1) YY(1,1); XX(1,2) YY(1,2);XX(1,3) YY(1,3); XX(2,1) YY(2,1); XX(2,2) YY(2,2); XX(2,3) YY(2,3); XX(3,1) YY(3,1); XX(3,2) YY(3,2); XX(3,3) YY(3,3)]
I mean of course, without writing it explicitly.
Thanks!!
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C.J. Harris
il 15 Nov 2012
I have no idea what your data is, but to generate the matrix in the question try:
out = unique(nchoosek([1:3, 1:3], 2), 'rows');
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Andreas Goser
il 15 Nov 2012
?? "Just telling me how to generate the matrix in the title would be a huge help!" ??
a=[1 1; 1 2; 1 3 ; 2 1; 2 2; 2 3; 3 1 ; 3 2 ; 3 3]
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