Re: Row vs. Column Vectors (or Matrices)
- To: mathgroup at smc.vnet.net
- Subject: [mg33926] Re: [mg33908] Row vs. Column Vectors (or Matrices)
- From: BobHanlon at aol.com
- Date: Tue, 23 Apr 2002 07:13:59 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
In a message dated 4/22/02 1:32:59 AM, John-Resler at kscable.com writes:
>I'm new to Mathematica and am doing a little linear algebra. I am
>aware of the MatrixForm[m]
>function but I know of no way to create a row vector eg. [ 1.0 2.0 3.0
>
>] * [ 1.0
>
>
> 2.0
>
>
> 3.0].
>
>Can someone point me in the right direction? Thanks ahead of time.
{{a1, a2, a3}}.{{b1},{b2},{b3}}
{{a1*b1 + a2*b2 + a3*b3}}
{{a11, a12, a13},{a21,a22,a23}}.{{b1},{b2},{b3}}
{{a11*b1 + a12*b2 + a13*b3}, {a21*b1 + a22*b2 + a23*b3}}
Bob Hanlon
Chantilly, VA USA