How do I remove rows in a matrix, that have zero in them?

My matrix is: 20 0 0 15 1 3 35 0 0 40 1 0 35 0 0 20 0 0 55 1 3

How do I remove the rows containing 0?

Answer 1

[Azzi Abdelmalek]

   A(any(A==0,2),:)=[]

[Mathilde Engell]

Thank you ! That helped a lot :)