Extraction of non zero rows from a matrix

I have a 12x3 matrix data in each of my measurement epoch. Sometimes, some of the rows are zero indicating no data in the channel. So, I want to extract only those rows without zero. I am using matlab find and index operator but it gives me the column vector instead of rows. How can I extract non-zero rows using simple index operator and without any loop. Any help would be appreciated. I have attached the snapshots of my work so far.

Answer 1

[Chris]

A = [magic(3);zeros(1,3)]

A = 4×3

8 1 6 3 5 7 4 9 2 0 0 0

svp = A~=0

svp = 4×3 logical array
   1   1   1
   1   1   1
   1   1   1
   0   0   0

extracted = reshape(A(svp),[],3)

extracted = 3×3

8 1 6 3 5 7 4 9 2

If there is a possibiity of finding zeros in a nonzerow row, you would want to do something like this:

extracted = A(~prod(A==0,2),:)

extracted = 3×3

8 1 6 3 5 7 4 9 2

[Satinath Debnath]

Thank you very much.

I found that below code also works.

ind=svpos(:,1)~=0;

SvPos=svpos(ind,1:3);

[Chris]

I just noticed that both our solutions don't allow for zeros in a nonzero row. I've posted a more correct solution at the end of my answer.

[Satinath Debnath]

@Chris. OKay. Thank you.