Change all values of column vector (pulled from matrix via indexing) to one value

Hello,

I wish to change all values from array (column vector) to the same value. That is,

N(1:3,1)= s

where s is preveoisly defined and N is a matrix. Is there an intelligent way to do this?

[M.A.G.]

s is just a number

Answer 1

[M.A.G.]

The answer is in my question.