Re: Rule Writing for x and 1/x
- To: mathgroup at christensen.cybernetics.net
- Subject: [mg923] Re: Rule Writing for x and 1/x
- From: Gennady <stupakov at slac.stanford.edu>
- Date: Wed, 3 May 1995 00:02:08 -0400
- Organization: SLAC
In article <3mnk14$dse at news0.cybernetics.net> REECE_D,
REECE+_D%A1%Electromagnetic_Sciences at mcimail.com writes:
> Is there a way to write a single rule in MMA which will turn J/s into
W
>and s/J into 1/W?
>
> {J/s->W} only works for case#1.
What about this:
In[60]:=
rul={J->W s}
Out[60]=
{J -> s W}
In[61]:=
s/J/.rul
Out[61]=
1
-
W
In[62]:=
J/s/.rul
Out[62]=
W
Regards,
Gennady