Re: Dealing with submatrices
- To: mathgroup at smc.vnet.net
- Subject: [mg18137] Re: Dealing with submatrices
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Fri, 18 Jun 1999 00:51:41 -0400
- Organization: Universitaet Leipzig
- References: <7ka5m3$im3@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hi Chris,
the AddOn package
LinearAlgebra`MatrixManipulation`
may help you. Especialy BlockMatrix[].
Regards
Jens
Chris Hall wrote:
>
> I want to construct a 9x9 matrix using 9 existing 3x3 matrices:
> M = { {m11, m12, m13}, {m21, m22, m23}, {m31, m32, m33}}
>
> The problem is that this creates a too-deep nested list and I can't
> figure out how
> to make it a 9x9. Flatten doesn't appear to be the right tool.
>
> Thank you,
> Chris
> -----
> Christopher D. Hall (540) 231-2314
> Aerospace and Ocean Engineering (540) 231-9632 (fax)
> Virginia Tech http://www.aoe.vt.edu/~chall
> Blacksburg VA 24061-0203