Re: Joining matrices
- To: mathgroup at smc.vnet.net
- Subject: [mg5872] Re: [mg5738] Joining matrices
- From: gielesen at imwsrv.imw.tu-clausthal.de (Harald Gielessen)
- Date: Sun, 2 Feb 1997 01:31:16 -0500
- Organization: IMW TU Clausthal
- Sender: owner-wri-mathgroup at wolfram.com
In article <5cg600$t4r at smc.vnet.net>, Jean-Francois Alcover
<70763.411 at compuserve.com> wrote:
->i have to join 2 or more matrices line by line
->for example : joinmat[{{{1,2},{3,4}},{{10,20},{30,40}}}]
-> --> {{1,2,10,20},{3,4,30,40}}
->
->i have tried Transpose [Flatten[Transpose /@ ListOfMatrices,1]]
->but it seems rather slow
->
->can anyone help me with a faster solution ?
Try the package "MatrixManipulation". It prvides this and other functions
you might find useful though I can't tell you whether it is faster. It
should be at MathSource.
Harry
--
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Harald Gielessen, Institut fuer Maschinenwesen, TU Clausthal
Robert-Koch-Str. 32, D-38678 Clausthal-Zellerfeld, Germany
Phone: ++49 5323 72 2262, Fax: ++49 5323 72 3501
gielesen at imw.tu-clausthal.de http://www.imw.tu-clausthal.de/
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"A man with one watch knows what time it is,
a man with two watches is never sure..."
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