Help please
Im trying to evaluate the following, but not sure if i'm going wrong,could someone please check this.
Evaluating 2A + 3B
Where
To evaluate i use the scalar multiplication?
so:
2A becomes =
and
3B becomes=
So my dillema is, i cant add these together can i because the incorrect rows to columns - or am i thinking this through to much?
Thanks for your help
Ady