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Groups > comp.soft-sys.math.maple > #211
| From | Evan24 <ha15@earthlink.net> |
|---|---|
| Newsgroups | comp.soft-sys.math.maple, sci.math.symbolic |
| Subject | Re: How to I get Maple to spit out 1? |
| Date | 2011-07-14 15:19 +0000 |
| Organization | The Math Forum |
| Message-ID | <ivn1dn$glu$1@speranza.aioe.org> (permalink) |
| References | <SalmonEgg-AD7243.16274013072011@news60.forteinc.com> <987jtmF301U1@mid.individual.net> |
Cross-posted to 2 groups.
On Thu, 14 Jul 2011 09:24:08 +0200, Axel Vogt wrote: > On 14.07.2011 01:27, Salmon Egg wrote: >> I already know the answer. >> >> If I get to an expression >> >> z := x*exp(-(1/2)*x)/(2*sinh((1/2)*x))*((exp(x)-1)/x) >> >> How do I get Maple to spit out 1? simplify does not do it. >> >> I looked at the help for simplify, and looked up convert and then See >> Also. That looked promising, so I went to help on Convert. Convert had >> a bus load of optional arguments. exp looked promising and worked, much >> to my pleasant surprise. >> >> If I were even less knowledgeable than I am, how could I go about >> finding a correct approach? Is it merely an empirical search? Is there >> a guidebook? Suppose I had a much more complicated expression, say with >> radicals and Bessel functions. Us there a cookbook approach to >> simplification? > > For guessing I often just plot as a first step ... > > Difficult to say, though I would expect that Maple would try to convert > hyperbolics to exp, as we would do, since other exp terms are present. > > The simplification problem is not specific for Maple, but it is a > problem in any symbolic software system (thus I included > sci.math.symbolic) For what is worth, im Maxima 5.23.2, trigrat(z) gives 1.
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How to I get Maple to spit out 1? Salmon Egg <SalmonEgg@sbcglobal.net> - 2011-07-13 16:27 -0700
Re: How to I get Maple to spit out 1? Axel Vogt <&noreply@axelvogt.de> - 2011-07-14 09:24 +0200
Re: How to I get Maple to spit out 1? "G. A. Edgar" <edgar@math.ohio-state.edu.invalid> - 2011-07-14 06:20 -0600
Re: How to I get Maple to spit out 1? Salmon Egg <SalmonEgg@sbcglobal.net> - 2011-07-14 05:23 -0700
Re: How to I get Maple to spit out 1? Axel Vogt <&noreply@axelvogt.de> - 2011-07-14 21:48 +0200
Re: How to I get Maple to spit out 1? Evan24 <ha15@earthlink.net> - 2011-07-14 15:19 +0000
Re: How to I get Maple to spit out 1? clicliclic@freenet.de - 2011-07-14 22:30 +0200
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