MATLAB: How to swap columns of a matrix?

Question

I have a matrix of 8760X30, the first 7 columns need to be swap with some other column. eg. the first and the second columns need to need to be swap with the 8 and 9 column.

Answer 1

Simple approach(Consider matrix A):

A(:,[1 2 8 9])=A(:,[8 9 1 2])