Access Matrix by row or column

[Stevetuc]

(12-28-2017 08:19 PM)JMB Wrote:  

(12-28-2017 11:26 AM)Stevetuc Wrote:  .....
Actually, for a 2D Matrix, just using A(1) will select the 1st row ,but how to fo this for a column? I tried A(:,1) but this errors.

You can use negative values to select columns: A(-1) selects the 1st column

Thanks, thats concise syntax!