Matrix B from column of matrix A with condition

Hello,

I have to create matix B that contains columns of matrix A which product of elements are greater than 20. How can i code this? Thanks.

Answer 1

[Mouhamed Niasse]

Hello,

Here is what i achieved. Hope you can easily understand it.

A=randi(5,5) % Just for an example, A is a 5x5 array of random integers

B=A(:,prod(A)>20) % This is the only line you'll need for any given matrix A.

[RITURAJ]

I think it is "Rand" and not "Randi"