In Octave If
A =
1 3 2
6 5 4
7 9 8
1) For Each Column Max value and corresponding index of them can be found by
>> [max_values,indices] =max(A,[],1)
max_values =
7 9 8
indices =
3 3 3
2) For Each Row Max value and corresponding index of them can be found by
>> [max_values,indices] =max(A,[],2)
max_values =
3
6
9
indices =
2
1
2
Similarly For minimum value
>> [min_values,indices] =min(A,[],1)
min_values =
1 3 2
indices =
1 1 1
>> [min_values,indices] =min(A,[],2)
min_values =
1
4
7
indices =
1
3
1