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Re: Quick way
Posted:
Jul 29, 2013 10:36 AM


"Christopher " <chrisholmesparker@gmail.com> wrote in message news:ksvcd6$7ns$1@newscl01ah.mathworks.com... > You can use logical operators with the find command. For example, if we > have a matrix called matrix, as follows: > > matrix = [1 6 8;... > 3 5 2;... > 2 2 10]; > > and we want to find the indices corresponding to the maximum element in > this matrix, we can simply use a condition like the following: > > [ i_index j_index ] = find(matrix >= max(max(matrix))); % This is a > oneliner. > > In the above case, this will yield the matrix index pair [ i_index > j_index] = [3,3], corresponding to the maximum
Or, instead of calling MAX twice and FIND once, just call MAX once.
[maximumValue, linearIndex] = max(matrix(:));
If you need row and column indices, use IND2SUB.
 Steve Lord slord@mathworks.com To contact Technical Support use the Contact Us link on http://www.mathworks.com



