how to delete some unwanted data from a large nomber of data?

I have a large number of data. some unwanted data are also present. How to delete those column containing the unwanted data?

Answer 1

[Azzi Abdelmalek]

A=rand(10)
%If you want to delete column [1 3 5]
A(:,[1 3 5])=[]

[Totanly]

[0 2 4 6;3 NaN 4 2;7 10 12 NaN;1 3 4 4;4 6 8 9]

how to delete column included 'NaN'?

[Azzi Abdelmalek]

A=[0 2 4 6;3 NaN 4 2;7 10 12 NaN;1 3 4 4;4 6 8 9]
A(:,any(isnan(A)))=[]

[Totanly]

Thanks a lot.....your answers has been accepted......

[Azzi Abdelmalek]

No, my answer was flaged!

[Jan]

@Azzi: I've removed the flag and accepted the answer.