omit zeros from matrix and have the shape of matrix

A=[0,0;0,0;0,0;1,2;2,5;5,7;7,8];

I want to omit zero from this matrix. result should be

New_A=[1,2;2,5;5,7;7,8];

I use this code

A(A==0) = [];

But giving me array.

Answer 1

[Kevin Rawson]

If you are trying to get rid of rows with zeros:

A(all(A == 0, 2), :) = [];