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Re: Suggestions on how to use standard engineering symbols in Mathematica which conflict with Mathematica own symbols?
*To*: mathgroup at smc.vnet.net
*Subject*: [mg104085] Re: Suggestions on how to use standard engineering symbols in Mathematica which conflict with Mathematica own symbols?
*From*: Peter Breitfeld <phbrf at t-online.de>
*Date*: Sun, 18 Oct 2009 07:08:09 -0400 (EDT)
*References*: <hbemko$ggq$1@smc.vnet.net>
"Nasser M. Abbasi" wrote:
> Hello
>
> This is a problem I am sure all of us had.
>
> It would be nice to use the same standard engineering/physics
> symbols/letters found in textbook to write the equations in mathematica.
>
> But some/many of those symbols conflict with existing Mathemtica symbols.
> For example, Young modulus is always written as E, but E in mathematica is
> reserved to the exponential constant, and I would like to use I (upper case
> I) to mean the moment of inertia, and not have it conflict with complex
> number I. And many other examples.
>
> I was wondering if there is a way to still use these letters in my equations
> but not conflict with Mathematica's?
>
> I thought may be I could make a bold versions of these letters with a new
> code, or find latine characters which "looks like" these from the palette,
> but have different ASCII code.
>
> Or may be I could tell mathematica somehow to "undefine" these symbols
> during some computation and restore them again, so it will not interpret
> them as its own standard symbols only during this computation, but was not
> sure if this is a good idea? (would this will cause a problem internally to
> Mathematica as it could very well use these symbols in its own package code.
> I could always use Exp[] instead of E and use Sqrt[-1] instead of "I" when I
> really mean to use the Mathematica letters and leave E and I etc... for my
> use.
>
> Any other ideas others have on this subject? I'd really like to write the
> equations as they appear in the textbook if possible and not have to rename
> standard engineering letters to something else.
>
> --Nasser
>
>
You can use gothic or script Letters instead
I don't think "undefining" E or I to be a good idea. If you use e.g
Exp[x], it's output will be E^x and Mathematica will not be able to handle this
properly, if E no longer is the Euler number.
--
_________________________________________________________________
Peter Breitfeld, Bad Saulgau, Germany -- http://www.pBreitfeld.de
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