fastest way to divide a matrix columns into two matrices ?

Hi All

I have an m*n matrix

I want to take out the fifth column (all the m rows) to one matrix , and alll of the other collumns , to another , how to do that ?

Answer 1

[Azzi Abdelmalek]

%If A is your matrix
A=randi(10,5,8)  % example
c5=A(:,5)  % the fifth column
B=A(:,[1:4 6:m]) % remaining matrix

[farzad]

thank you very much