Re: lists of variables
- To: mathgroup at smc.vnet.net
- Subject: [mg58175] Re: lists of variables
- From: David Bailey <dave at Remove_Thisdbailey.co.uk>
- Date: Tue, 21 Jun 2005 06:02:49 -0400 (EDT)
- References: <d9630u$q1t$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Heath Gerhardt wrote:
> I need to make lists of variables, for example
>
> {t1,t2,t3}
>
> but have not been able to figure out how to make Mathematica do this.
> Tried using
>
> Array[t,3]
>
> which gives
>
> {t[1],t[2],t[3]}
>
> but then I don't know how to set the t[i]'s in expressions similar to
>
> F[t[1]_,t[2]_,t[3]_]:=Cos[t[1]+t[2]-t[3]]
>
> thanks in advance
> Heath
>
The simple answer to your question is something like:
Table[ToExpression["t" <> ToString[i]], {i, 1, 10}]
However, this is not a very usual thing to do - it might help to give
more details of what you are trying to do.
David Bailey
http://www.dbaileyconsultancy.co.uk