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