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Re: Up N' Down values.


Hi Gadi,

Why don't you try using the Utilities`Notation` package?

At any rate, I don't see why

Subscript /: Equal[Subscript[d,1],0]:=False

doesn't work. It did when I tried it.

Carl Woll
Dept of Physics
U of Washington

On Fri, 17 Jul 1998, Gadi Oron wrote:

> Hi there,
> 
> I'm having some hard time trying to define "up values" to subscripted
> variables, what I would like to do is (Latex notations)
> 
> d_1 /: Equal[d_1,0]:=False
> 
> Ok, I know that the full form of d_1 is Subscript[d,1] so I've tried;
> 
> Subscript /: Equal[Subscript[d,1],0]:=Flase
> 
> and
> 
> d /: Equal[Subscript[d,1],0]:=Flase
> 
> but none seems to work, I get the error message:
> 
> TagSetDelayed::"tagnf": "Tag d not found in False==0.
> 
> which I don't understand.
> 
> Any idea?
> 
> Regards.
> \/\\/\/\/>> Gadi ORON <<\/\/\/\/
> EMAIL :  oron at pmmh.espci.fr  
> Homepage : http://www.pmmh.espci.fr/~oron/personal.html ICQ#7316619
> 
> 



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