Re: Manipulating "non-meaningful" expressions
- To: mathgroup at smc.vnet.net
- Subject: [mg39609] Re: Manipulating "non-meaningful" expressions
- From: Paul Abbott <paul at physics.uwa.edu.au>
- Date: Wed, 26 Feb 2003 02:41:31 -0500 (EST)
- Organization: The University of Western Australia
- References: <b34qfg$gja$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
In article <b34qfg$gja$1 at smc.vnet.net>,
matija at scientist.com (Matija Pretnar) wrote:
> I am writing a program in Mathematica that would allow TeX-macro-like
> typesetting functions in front-end.
> I would for example enter
> defineMacro[list[item_], {item/.i->1, item/.i->2, ..., item/.i->n]
> and that would allow me to evaluate list[x_i,i] in place and to
> recieve
> {x_1, x_2, ..., x_n}, which would speed up typing a lot.
>
> This case works, because Mathematica understands {...} as a list. On
> the other hand, I would like to define vec[x] to be (x_1, x_2, ...,
> x_n). But I can not convince Mathematica to process this kind of
> expression, although I would only like to manipulate boxes and not to
> evaluate their contents.
>
> I can not simply do a string replace, because I would not enter my
> input pattern (item in list[item_]) as a string but as a collection of
> boxes.
>
> Any ideas?
AddInputAlias in the Utilities`Notation` package will do what you want
to do. Evaluate
FrontEndExecute[FrontEnd`HelpBrowserLookup["AddOns", "Notation"]]
for more information.
Cheers,
Paul
--
Paul Abbott Phone: +61 8 9380 2734
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