- To: mathgroup at smc.vnet.net
- Subject: [mg51241] symbol replace
- From: "symbio" <symbio at h0tmail.com>
- Date: Sat, 9 Oct 2004 04:19:22 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
I am facing 2 problems with Mathematica:
With replace all command, when I use it with subscripts I get an unintended
effect, this is what I do:
E * (Eo) /. E -> (Eo)
I intend to replace only E with Eo, but Mathematica instead replaces all E's
with (Eo) and I get this instead:
(Eo) * (Eo)o
Please note the 'o' in Eo is supposed to be a subscript here and reads Enot.
Can anyone please help?
here is the Mathematica code:
\!\(E\ *\ E\_0\ /. \ E -> \ E\_0\)
I like to use descriptive names for my variables with Underscore to separate
the names, it's really easier to read, but of course underscore is a special
character in Mathematica unfortunately, so is there an alternative?? For
example, I like to use variable Dynamic_Energy_of_Stars_With_Sand = 123; Is
there something else equally as obvious as Underscore that maybe used for
purpose of separting words in a variables names??
Thanks a lot for your help
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