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Re: subscripts in function definitions

• To: mathgroup at smc.vnet.net
• Subject: [mg7994] Re: subscripts in function definitions
• From: Paul Abbott <paul at physics.uwa.edu.au>
• Date: Wed, 30 Jul 1997 23:57:46 -0400
• Organization: University of Western Australia
• Sender: owner-wri-mathgroup at wolfram.com

Mike Golding wrote:

>     Is it possible to use subscripted variables in a function definition?
> 
>      something like
> 
>            f[x sub 1_, x sub 2_] := x sub 1  / x sub 2
> 
> where by     x sub 1     I mean the visually subscripted form obtained
> either from the palette or the keyboard.  I just wonder if I'm doing
> something stupid. Mma  just seems to want to multiply the blanks
> by the subscripted variable within variable list which is not what I
> want.

What you want is possible -- you first need to Symbolize your
variables.  The Utilities`Notation` package does what you want (and a
whole lot more too!).

Cheers,
	Paul 

____________________________________________________________________ 
Paul Abbott                                   Phone: +61-8-9380-2734
Department of Physics                           Fax: +61-8-9380-1014
The University of Western Australia           
Nedlands WA  6907                     mailto:paul at physics.uwa.edu.au 
AUSTRALIA                              http://www.pd.uwa.edu.au/Paul

            God IS a weakly left-handed dice player
____________________________________________________________________