Groups > comp.soft-sys.math.maple > #1240

Re: simplify

From	William Unruh <unruh@invalid.ca>
Newsgroups	comp.soft-sys.math.maple
Subject	Re: simplify
Date	2017-08-11 10:48 +0000
Organization	A noiseless patient Spider
Message-ID	<omk215$7rm$1@dont-email.me> (permalink)
References	<omg0fv$u3k$1@dont-email.me> <110820170417192973%edgar@math.ohio-state.edu.invalid>

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On 2017-08-11, G. A. Edgar <edgar@math.ohio-state.edu.invalid> wrote:
> In article <omg0fv$u3k$1@dont-email.me>, William Unruh
><unruh@invalid.ca> wrote:
>
>> Having just graduated from Maple 9.5 to Maple 2016.2 I am flummoxed by
>> the simplify command. My expression includes square roots, and all I get
>> from simplify is "`simplify/sqrt/product` uses a 2nd argument, n, which
>> is missing" which is of no help at all. One would think it would use the
>> old simplfy procedure (eg assuming positivee argument and positive
>> result by default, or something like that). 
>> Looking at the help page and putting in 
>> simplify(%,assume=positive) just give the same response.
>> If simplify is simply going to throw up its hands in despair every time
>> it runs across something slightly out of the ordinary, it makes it
>> pretty useless.
>> 
>> 
>
> Why not give us an example where you get this message?
>
   >simplify(sqrt((1-2*m(u)/R(u))*R(u)^4));
    Error, (in simplify) invalid input: `simplify/sqrt/product` uses a 2nd
      argument, n, which is missing

In the sequence of calculations I an doing, stuff like this can occor
all the time.

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Thread

simplify William Unruh <unruh@invalid.ca> - 2017-08-09 21:57 +0000
  Re: simplify "G. A. Edgar" <edgar@math.ohio-state.edu.invalid> - 2017-08-11 04:17 -0600
    Re: simplify William Unruh <unruh@invalid.ca> - 2017-08-11 10:48 +0000
      Re: simplify "G. A. Edgar" <edgar@math.ohio-state.edu.invalid> - 2017-08-15 06:36 -0600
        Re: simplify William Unruh <unruh@invalid.ca> - 2017-08-15 14:42 +0000
          Re: simplify jfh <john.harper@vuw.ac.nz> - 2017-08-16 19:30 -0700
          Re: simplify Solved William Unruh <unruh@invalid.ca> - 2017-08-18 14:55 +0000

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