rows which do not contain zero

Hi all, I have a matrix D = 294x34. I want to output the number of rows which which may contain a number (so I want the the number of rows which are not all zeros).

Thank you.

[Mate 2u]

I apologise, lets say for instant our D = [2,4; 5,0;4,4; 0,0; 3,0; 0,0]

output should be 4 as there were two rows full of only zeros.

Answer 1

[Matt Kindig]

row = any(D,2);
rowCount = sum(row);    %number of rows with non-zero elements

Answer 2

[Nirmal]

count=sum(sum(D==0,2)==0)

count will be the number of rows which are not all zeros in matrix D.

Answer 3

[Ryan]

row_numbers = find(sum(A,2) ~= 0);
number_of_rows = numel(row_numbers);