Thread Subject: a x b .c and a.b x c

Hey guys I figured out how to use dot product and cross
product on paper but if I had vectors a (1,2,3) b(4,5,6) c
(7,8,9) How would I find the a x b .c and a.b x c of them
using mat lab?

"Rufus Worrell" <hollywoodbatez@AOL.com> wrote in message
<fohil2$adp$1@fred.mathworks.com>...
> Hey guys I figured out how to use dot product and cross
> product on paper but if I had vectors a (1,2,3) b(4,5,6) c
> (7,8,9) How would I find the a x b .c and a.b x c of them
> using mat lab?

By using the functions dot and cross, of course.

Why not try it, instead of asking repeatedly
for someone else to do it for you? You might
be surprised and find that it works.

John

"John D'Errico" <woodchips@rochester.rr.com> wrote in message <fohoo0
$91g$1@fred.mathworks.com>...
> "Rufus Worrell" <hollywoodbatez@AOL.com> wrote in message
> <fohil2$adp$1@fred.mathworks.com>...
> > Hey guys I figured out how to use dot product and cross
> > product on paper but if I had vectors a (1,2,3) b(4,5,6) c
> > (7,8,9) How would I find the a x b .c and a.b x c of them
> > using mat lab?
>
> By using the functions dot and cross, of course.
> Why not try it, instead of asking repeatedly
> for someone else to do it for you? You might
> be surprised and find that it works.
> John
----------
  Also I remind you once again, Rufus, that you can use the determinant
function, 'det'. Use det([a;b;c]) if a, b, and c are row vectors or det({a,b,c]) if
they are column vectors.

  This carries out the equivalent of the combined vector and scalar products
of a triple of three-dimensional vectors.

Roger Stafford