MATLAB: Find the number of rows and columns of non-zero number from certain row.

arraycolumnmatrixrowvector

Given a matrix named Matr below;
Matr =
     0     0
     0     0
     1     0
     0     0
     2     0
     0     1
     1     1
How can I find the number of column and row form beginning of row to only row 6?
The result should be
[3 1
 5 1
 6 2]

Best Answer

You can do something like this
[r, c] = find(Matr(1:6,:));
res = [r c]
%res =
%
%     3     1
%     5     1
%     6     2
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