Re: Differencing two equations

*To*: mathgroup at smc.vnet.net*Subject*: [mg129780] Re: Differencing two equations*From*: Best Gregory <g.c.b.at.home at gmail.com>*Date*: Wed, 13 Feb 2013 04:49:11 -0500 (EST)*Delivered-to*: l-mathgroup@mail-archive0.wolfram.com*Delivered-to*: l-mathgroup@wolfram.com*Delivered-to*: mathgroup-newout@smc.vnet.net*Delivered-to*: mathgroup-newsend@smc.vnet.net*References*: <kf7m3q$fgi$1@smc.vnet.net> <15066473.14055.1360657662362.JavaMail.root@m06> <000601ce094c$dc1d8650$945892f0$@comcast.net>

Thanks for this response that gives me a new and useful way to look at this. It's amazing how a shift in perspective can help sometimes... On Feb 12, 2013, at 10:14 AM, "djmpark" <djmpark at comcast.net> wrote: > Sometimes I think Mathematica might better be called MetaMathematica, not so > much a tool for doing mathematics but a tool for making the tools to do > mathematics. > > Quite often it will be very useful to "combine and repackage" Mathematica > procedures into forms that are more natural and convenient for your > application. Writing some definitions and functions along these lines can be > very useful. You don't have to limit yourself to the hooks and buttons that > are manifest in plain Mathematica. > > > David Park > djmpark at comcast.net > http://home.comcast.net/~djmpark/index.html > > > > From: G B [mailto:g.c.b.at.home at gmail.com] > > > Maybe there's a mathematical reason why simple operations on equations > aren't handled as I'd expect. Mathematica is clearly a powerful tool, but > the few times I've tried picking it up in the past I wind up getting stymied > by the obtuse syntax for certain simple operations. > > In this case, I could probably use the power of the tool all at once by > simply treating my set of equations as a unit and asking Mathematica to > reason about them as a group and solve my problem directly. The problem is > that I, and my audience, could probably gain some insight into the problem > by working through a few of the intermediate results. By treating my > equations lexically, rather than mathematically, I'm forgoing Mathematica's > expertise and only allowing it to ensure I don't make transcription errors. > > >