Re: Multiplying a constant to a matrix column
- To: mathgroup at smc.vnet.net
- Subject: [mg16289] Re: Multiplying a constant to a matrix column
- From: Harald Giese <giese at dkrz.de>
- Date: Sun, 7 Mar 1999 01:05:28 -0500
- Organization: Institut fuer Meereskunde, Universitaet Hamburg
- References: <7bnv76$dlu@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hyo Ahn wrote:
> ...
> I would like to multiply a constant number to a given column of an existing
> matrix in Mathematica and I am having a hard time.
> ...
Hi,
If matrix A has dimensions {n,m} and vector b has dimension {m},
then C = Transpose[A]*b does the job, giving a {m,n} matrix.
Regards,
Harald
--
Harald Giese
Email: giese at dkrz.de
Phone: +49 (0)40 4123 5796; Fax: +49 (0)40 5605724
Institut fuer Meereskunde der Universitaet Hamburg
(Institute of Oceanography of the University of Hamburg)
Troplowitzstrasse 7, D-22529 Hamburg