Re: How to use BlockMatrix
- To: mathgroup at smc.vnet.net
- Subject: [mg73116] [mg73116] Re: [mg73082] How to use BlockMatrix
- From: Sseziwa Mukasa <mukasa at jeol.com>
- Date: Sat, 3 Feb 2007 05:12:25 -0500 (EST)
- References: <200702010859.DAA11554@smc.vnet.net>
On Feb 1, 2007, at 3:59 AM, T.Sariyski wrote: > Hi, > I want to use BlockMatrix. Here is an example: > > a11={a0}; > a12={a1,a2}; > a21={a3,a4}; > a22={{i,j},{k,l}}; > BlockMatrix[{{a1,a12},{{a21},a22}}]//MatrixForm > > Out: > AppendColumns[AppendRows[a1,{a1,a2}],AppendRows[{{a3,a4}},{{i,j}, > {k,l}}]] > > What I'm doing wrong here? You submatrices have the wring dimensionality, and I suspect you want a11 not a1 in your BlockMatrix expression. This works, In[351]:= a11={{a0}}; a12={{a1,a2}}; a21={{a3},{a4}}; a22={{i,j},{k,l}}; BlockMatrix[{{a11,a12},{a21,a22}}]//MatrixForm Is that what you wanted? Regards, Ssezi
- References:
- How to use BlockMatrix
- From: "T.Sariyski" <tsariysk@craft-tech.com>
- How to use BlockMatrix