How to combine multiple columns into array?

I have 5 columns and I would like to join them and form a matrix with n rows and 5 columns. How can I do this?

Answer 1

[per isakson]

Two ways

array = cat( 2, col1, col2, col3, col4, col5 );
array = [ col1, col2, col3, col4, col5 ];