Thread Subject:

nnz

Hi all,

I have a matrix, such as

A =
     1 1 1 1 0
     1 1 1 1 1
     1 0 0 1 0


I want to count the number of non-zeros in each row. Is there a matrix function that I can use instead of looping through the rows. The output that I expect is

output =
4
5
2

Thanks,
Wendy

On 07/12/10 10:36 PM, Wendy wrote:

> I have a matrix, such as
>
> A = 1 1 1 1 0
> 1 1 1 1 1
> 1 0 0 1 0
>
>
> I want to count the number of non-zeros in each row.


sum(logical(A),2)