Re: How to use BlockMatrix
- To: mathgroup at smc.vnet.net
- Subject: [mg73096] Re: How to use BlockMatrix
- From: Alois Steindl <Alois.Steindl at tuwien.ac.at>
- Date: Fri, 2 Feb 2007 05:11:19 -0500 (EST)
- Organization: Inst. f. Mechanics II, TU Vienna
- References: <eps72g$7ob$1@smc.vnet.net>
"T.Sariyski" <tsariysk at craft-tech.com> writes:
> 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?
> Thanks, Ted
Hello,
could you display the structure, that you expect?
Carefully look at the substructures, that you use in your construct.
BTW, you define but do not use a11.
Alois