Re: Merge of Matrices

*To*: mathgroup at smc.vnet.net*Subject*: [mg71129] Re: [mg71098] Merge of Matrices*From*: Sseziwa Mukasa <mukasa at jeol.com>*Date*: Thu, 9 Nov 2006 03:37:33 -0500 (EST)*References*: <200611081115.GAA22422@smc.vnet.net>

On Nov 8, 2006, at 6:15 AM, Robert Berger wrote: > 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? The easiest way is probably <<LinearAlgebra`MatrixManipulation` x=BlockMatrix[{{a,b},{c,d}}] Regards, Ssezi

**References**:**Merge of Matrices***From:*Robert Berger <rberger06@sinh.us>