Re: Multiply some colums, discarding others

[Renato S. Yamane]

On 24-11-2009 17:40, David Bateman wrote:
> > The problem is: Matrix "A" have a lot ofA lines and I need avoid type
> > one by one, so I would like to know if is possible multiply
> > *automatically* to get "frequency" and multiplication of impedance and
> > phase, like this:
> >
> > Matrix "B" =
> >
> > 20.66 A(1,2) * cos(A(1,3))
> > 21.47 A(2,2) * cos(A(2,3))
> > 22.30 A(3,2) * cos(A(3,3))
> > 23.17 A(4,2) * cos(A(4,3))
> > 24.07 A(5,2) * cos(A(5,3))
>
> [A(:,1),A(:,2).*cos(A(:,3))]

Thanks so much David and Norm!
I really apreciate it!

Regards,
Renato