Re: How to construct a matrix like this ?
- To: mathgroup at smc.vnet.net
- Subject: [mg50903] Re: [mg50895] How to construct a matrix like this ?
- From: Bob Hanlon <hanlonr at cox.net>
- Date: Mon, 27 Sep 2004 00:42:10 -0400 (EDT)
- Reply-to: hanlonr at cox.net
- Sender: owner-wri-mathgroup at wolfram.com
Clear[myArray];
myArray[a_Symbol,
{m_Integer?Positive,
n_Integer?Positive}] :=
Table[ToExpression[
ToString[a]<>ToString[10i+j]],
{i,m},{j,n}] /; m <10 && n<10;
myArray[a,{2,2}]
{{a11, a12}, {a21, a22}}
Bob Hanlon
>
> From: zhoukm at hotmail.com
To: mathgroup at smc.vnet.net
> Date: 2004/09/26 Sun AM 05:32:12 EDT
> To: mathgroup at smc.vnet.net
> Subject: [mg50903] [mg50895] How to construct a matrix like this ?
>
> With Array[a, {2,2}] I can get an array like:
> | a[1,1] a[1,2] |
> | a[2,1] a[2,2] |.
> But occasionally I want matrix like:
> | a11 a12 |
> | a21 a22 |
> I remember I once figured out a way to do it but now I forgot. Anyone
> can give me a hand?
>
> Regards
>
>