How can i take 3 column matrices and combine them into 1?

I have 3 matrices, A, B, C, and they all have 1 column, several hundred rows. I need to take B, add its column to the bottom of A, then take C and add it to the bottom of B, so i have one large 1 column matrix, like this:

A
B
C

Any help? Thanks!

Answer 1

[Image Analyst]

out = [A; B; C];