Subject: Strange thing in Maxima: reduction of fraction
From: Leo
Date: Thu, 07 Dec 2006 17:31:24 +0000
On THU, 7 DEC 2006, Raymond Toy wrote:
>>>>>> "Leo" == Leo <sdl.web at gmail.com> writes:
>
> Leo> On THU, 7 DEC 2006, Raymond Toy wrote:
> Leo> [...]
>
> Leo> Looks like a bug.
> >>
> >> Is it? Maxima doesn't always simplify everything that you type in.
> >> Isn't %o2 correct, independent of any assumptions on p & q (except
> >> that I think maxima is implicitly assuming p and q are real)?
> >>
> >> Ray
>
> Leo> But what about %o1 output? Isn't that a bug?
>
> Why? If p and q are real, isn't abs(p-q)^2 always equal to (p-q)^2?
> Or do you mean that %o1 didn't simplify to something else?
>
> Ray
>
I just don't understand why the returns are so different.
(q-p)/abs(q-p)^2 => 1/(q-p)
(p-q)/abs(p-q)^2 => (p-q)/(q-p)^2
--
Leo