how to extract a certain row out of a matrix

Hello

How can I extract a certain rows out of a matrix ? for example:

a=[2 2;2 2;2 2;1 1;0 1;0 1;0 1]

I want to extract row [0 1] out a matrix a and have a new matrix b :

b=[0 1;0 1;0 1]

Thank you

Answer 1

[jonas]

ind=ismember(a,[0 1],'rows');
b=a(ind,:)