Multiply a column by a number

Asked by Elaheh on 30 Mar 2018

Latest activity Answered by Roger Stafford on 30 Mar 2018

141 views (last 30 days)

How Could I simply multiply each element of this array by 4? A=array(:,6);

2 Answers

Answer by David Fletcher on 30 Mar 2018

Accepted Answer

A=A.*4

Answer by Roger Stafford on 30 Mar 2018

Let Ar be the name of the array.

Ar(:,6) = 4*Ar(:,6);

What could be simpler? Since 4 is a scalar, it is automatically applied to each element of that column.