Re: Using subscripts in variable _names_!!!

*To*: mathgroup at smc.vnet.net*Subject*: [mg6159] Re: [mg6104] Using subscripts in variable _names_!!!*From*: rjh at leland.stanford.edu (Robert Hohlfelder)*Date*: Thu, 27 Feb 1997 02:52:00 -0500*Organization*: Stanford University*Sender*: owner-wri-mathgroup at wolfram.com

In article <5elugs$3g6 at smc.vnet.net>, delamart at bullwinkle.pas.rochester.edu (Guy Delamarter) wrote: > My department has finally purchased and installed Mathematica 3.0 and > I was looking forward to using variable names that LOOKED like the > variables I use in and read from technical documents. However, it > appears that Mathematica assumes that subscripts are array indicies. > I would gladly give up the ability to use subscripts as array > addressing and use square brackets instead, if I could then use > subscripts to denote unique names. For example, I would like it so > that (using TeX notation, where _ denotes subscript) R_{sub} is a > totally independent variable from R_{x}. As it stands now, the former > accesses the sub'th element of R and the latter accesses the x'th > element of R - and assumes R is some sort of array. In some cases > this is okay, in others it isn't. One case where it isn't is when I > want to define R_{sub} in terms of R_{x}. I obtain recusrsion in that > case. Another case is where I want to apply Clear to R_{x}, but not > R_{sub}. > > Since what I am asking for is the ability to write in a very standard, > accepted sort of notation, I would hope that 3.0 has a way of obtaining it. > > Thanks, > Guy Delamarter > I, too, am a little disappointed with the implementation of subscripts in 3.0. I'd be happier if Mathematica didn't try to evaluate subscripts, and just treated them as part of the variable name. - Robert -- Robert Hohlfelder rjh at leland.stanford.edu http://www-leland.stanford.edu/~rjh/ (415) 723-1284