Re: Clear or remove definitions including Subscripts
- To: mathgroup at smc.vnet.net
- Subject: [mg23143] Re: Clear or remove definitions including Subscripts
- From: adam_smith at my-deja.com
- Date: Thu, 20 Apr 2000 03:21:02 -0400 (EDT)
- References: <email@example.com>
- Sender: owner-wri-mathgroup at wolfram.com
Sanchez, With subscripted variables the trick is to "unassign" the variable with the form Subscript[a, 11] = . Note that you need the period "." after the equal sign "=" . There must be some subtle differences between Clear and "=." but I do not know them. In article <8djl1m$7j6 at smc.vnet.net>, "SANCHEZ DE LEON, Guillermo" <gsl at fab.enusa.es> wrote: > Dear friends, > > If I write: > > In:= Subscript[a, 11]; > In:= Subscript[a, 12]; > > Q1: How I can Clear or Remove the previous definitions?. > Q2: Is it posible to clear at the same time all definitions with pattern: > Subscript[a, i] (* i=1,2,..*) > > I wish to avoid using Notation Package > > I have tested: > > In: Clear[Subscript[a, 11]] > Message: Clear:: "ssym": a_11 is not a symbol or a string > > In: Clear["\!\(a\_11\)"] > > But they don`t work > > Sent via Deja.com http://www.deja.com/ Before you buy.