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MathGroup Archive 2006

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RE: Merge of Matrices

  • To: mathgroup at smc.vnet.net
  • Subject: [mg71158] RE: [mg71098] Merge of Matrices
  • From: "David Park" <djmp at earthlink.net>
  • Date: Thu, 9 Nov 2006 03:39:24 -0500 (EST)

Roman,

Try the standard package LinearAlgebra`MatrixManipulation`.

David Park
djmp at earthlink.net
http://home.earthlink.net/~djmp/ 

From: Robert Berger [mailto:rberger06 at sinh.us]
To: mathgroup at smc.vnet.net


Hello!

I like to create from the four matrices A (N1 rows and N1 columns),
B (N1 rows and N2 columns), C (N2 rows and N1 columns),
D (N2 rows and N2 columns) a new matrix X of the form

      A  B
X =
      C  D


Once A & B and C & D have been merged, the first (A & B) and the 
second row (C& D) can be merged in that way by applying Join, which is 
not a problem but how can I merge A & B (and of course C & D) in
that way?

Kindly regards,
Roman.



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