Even Numbers in a matrix a

I have a matrix 1 through 20 and i need to make a new matrix b with even numbers 1 through 20

Answer 1

[madhan ravi]

a=1:20
b=a(rem(a,2)==0)

[madhan ravi]

The above example illustrates to pick up even numbers from the given matrix

[Nicholas Cappellino]

so a=1:20 how do i define b to equal the even numbers of a

[madhan ravi]

See edited answer

[madhan ravi]

If you got the answer to your question make sure to accept the answer so people know question is solved else let know

[Jonas Campos]

This answer works