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Re: a question about subscript

• To: mathgroup at smc.vnet.net
• Subject: [mg57840] Re: a question about subscript
• From: "Jens-Peer Kuska" <kuska at informatik.uni-leipzig.de>
• Date: Thu, 9 Jun 2005 06:34:42 -0400 (EDT)
• Organization: Uni Leipzig
• References: <d892n4$sch$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

Hi,

Subscript[] is a function like any other, this 
mean that
that in a pattern

v[t_]:=t+Subscript[t,1]

the argument of v[] will replace all t in 
t+Subscript[t,1]
If you need a variable that behave like a symbol, 
use Symbolize[]
from the Notation package.

Regards
  Jens

"Zhou Jiang" <jiangzhou_yz at yahoo.com> schrieb im 
Newsbeitrag news:d892n4$sch$1 at smc.vnet.net...
>
> Hi,  my friends,
>
> I want to take the advantage of the subscript in 
> Mathematica 5.1.
> I defined a function like the following:
>
> v[t_]=t+t1
>
> Since this is a plane text, I cannot type in the 
> subscript t1 (i.e., t sub 1) for you. This is so 
> simple which represents a time translocation of 
> t1. I want Mathematica to compute v[0] and it is 
> supposed to give t1 (ie. t sub 1).  I typed in 
> v[0] but Mathematica gives me 01 (i.e., 0 sub 
> 1). Obviously it is not the correct answer. Can 
> anyone give me some insight of this delima? 
> Thanks a lot.
>
>
>