Re: Re: a question about subscript

*To*: mathgroup at smc.vnet.net*Subject*: [mg57867] Re: [mg57863] Re: a question about subscript*From*: "Owen, HL \(Hywel\)" <h.l.owen at dl.ac.uk>*Date*: Sat, 11 Jun 2005 03:35:22 -0400 (EDT)*Sender*: owner-wri-mathgroup at wolfram.com*Thread-index*: AcVtjykgbYUTDsk7SO6aA3ayxldS1QAAdhig

Also look at the Notation package, which lets you group symbols (including subscripts) into custom notations. I use it all the time and it helps make code look more 'mathematical'. H > -----Original Message----- > From: Tomas Garza [mailto:tgarza10 at msn.com] To: mathgroup at smc.vnet.net > Sent: 10 June 2005 07:29 > Subject: [mg57867] [mg57863] Re: a question about subscript > > You should use ":=" instead of just "=" if you are defining a > function. > Please look at SetDelayed in the Help browser, especially the > further examples. I can't see how you get v[0] = 01. I get > v[0]. The subscript may be typed as Subscript[t,1] or t Ctrl- > (i.e. the letter t followed by simultaneously pressing control-minus). > > Tomas Garza > Mexico City > > >From: Zhou Jiang <jiangzhou_yz at yahoo.com> To: mathgroup at smc.vnet.net > >Subject: [mg57867] [mg57863] a question about subscript > >Date: Thu, 9 Jun 2005 05:18:10 -0400 (EDT) > > > >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. > > > > > > > > > >