Re: simplify

From	"G. A. Edgar" <edgar@math.ohio-state.edu.invalid>
Newsgroups	comp.soft-sys.math.maple
Subject	Re: simplify
Date	2017-08-15 06:36 -0600
Organization	Ohio State Univ
Message-ID	<150820170636106738%edgar@math.ohio-state.edu.invalid> (permalink)
References	<omg0fv$u3k$1@dont-email.me> <110820170417192973%edgar@math.ohio-state.edu.invalid> <omk215$7rm$1@dont-email.me>

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In article <omk215$7rm$1@dont-email.me>, William Unruh
<unruh@invalid.ca> wrote:

> On 2017-08-11, G. A. Edgar <edgar@math.ohio-state.edu.invalid> wrote:
> >
> > 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.
> 

In Maple 2015 I get...

> simplify(sqrt((1-2*m(u)/R(u))*R(u)^4));

(-(-R(u)+2*m(u))*R(u)^3)^(1/2)

> version();

 User Interface: 1097895
         Kernel: 1097895
        Library: 1097895
                            1097895

Let's see what happens in other versions.

-- 
G. A. Edgar                              http://www.math.ohio-state.edu/~edgar/

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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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