count numbers greater than zero, and determine among them has the highest number of count

I have matric Y, and I want to count how many numbers (i.e. more > 0) in row, and determine the highest value

% Raw data

Y=

[1 2 0 0 0 0 0 0 0;

1 3 2 0 0 0 0 0 0;

1 4 3 2 0 0 0 0 0;

1 3 0 0 0 0 0 0 0;];

% count total numbers in each row (more > 0, i.e. dont count Zeros)

W =

[2;

3;

4;

2;];

% tell me what's the highest number in W

Z =

4

Answer 1

[madhan ravi]

W = sum(Y>0,2)
Z = max(W)

[JL]

Thank you very much!