Mapping two matrices

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Bilen Oytun Peksel
Bilen Oytun Peksel on 9 Sep 2011
Hi! My question is :
I have two n x n matrices one being pressure levels(SPL) and the other one being the frequency (f) of each and every SPL. Their indices are of course the same since the matrices are identical in shape. I need to sort the f matrix and put it into a 1D vector form and I want the SPL matrix to follow.
How could I do this? Thanks

Accepted Answer

Jan
Jan on 9 Sep 2011
[fS, index] = sort(f(:));
out = [fS, SPL(index)];

More Answers (1)

Andrei Bobrov
Andrei Bobrov on 9 Sep 2011
out = [f(:) SPL(:)]
with sort
out = sortrows([f(:) SPL(:)],1);
  1 Comment
Bilen Oytun Peksel
Bilen Oytun Peksel on 9 Sep 2011
Sorry, I should add the f matrix should be ascending. I mean any kind of operation I apply on f should effect SPL identically.

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