Groups > comp.soft-sys.math.maple > #885

Re: int operator with various versions of Maple

Newsgroups	comp.soft-sys.math.maple
Date	2014-06-02 18:39 -0700
References	<4b136f4d-0c47-471e-bce6-0690651576e0@googlegroups.com> <5dfd1cac-610a-4b76-bfd1-c58eaedfce9e@googlegroups.com> <03cb882c-7032-40cb-bb25-fc533476d868@googlegroups.com> <73193fbd-9f8b-4644-8e3e-d4f89f1248a0@googlegroups.com>
Message-ID	<b09c6207-c32d-4fcc-9631-bbd19fc9dfdd@googlegroups.com> (permalink)
Subject	Re: int operator with various versions of Maple
From	pluton <plutonesque@gmail.com>

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Le lundi 2 juin 2014 20:37:39 UTC-4, acer a écrit :
> Le lundi 2 juin 2014 09:41:55 UTC-4, pluton a écrit :
> 
> > Thanks for the feedback, the two of you. The problematic version is: Maple 13.00, X86 64 LINUX, Apr 13 2009, Build ID 397624
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> > 
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> > 
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> > 
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> > The correct final answer can be found, but it requires "manual" manipulations of integrals to help Maple.
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> I do not see that Maple version 13.00 fail on it, using the 64bit Linux install.
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> I see this success below, after a fresh `restart`, and have not yet seen it fail after trying in several fresh kernel sessions.
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>   restart:
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>   kernelopts(version);
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>             Maple 13.00, X86 64 LINUX, Apr 13 2009, Build ID 397624
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>   assume(0<d,d<1);
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>   int(cos(theta)*sin(theta)/(1+d*cos(theta))^3,theta=0..Pi);
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>                                       2 d~
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>                      - ----------------------------------
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>                               2                        2
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>                        (1 + d~  + 2 d~) (-2 d~ + 1 + d~ )
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> Is it possible that you have something in your initialization file (~/.mapleinit), and did not launch with the -s option to suppress use?
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> 
> Or perhaps you have some custom .mla archive in `libname` and some value for a global name is being picked up from there?

This is fairly strange. I'm gonna try to investigate a bit more even though the problem is not with my computer.

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Thread

int operator with various versions of Maple pluton <plutonesque@gmail.com> - 2014-05-27 19:38 -0700
  Re: int operator with various versions of Maple "Nasser M. Abbasi" <nma@12000.org> - 2014-05-28 18:03 -0500
  Re: int operator with various versions of Maple acer <maple@rogers.com> - 2014-05-28 22:50 -0700
    Re: int operator with various versions of Maple pluton <plutonesque@gmail.com> - 2014-06-02 06:41 -0700
      Re: int operator with various versions of Maple acer <maple@rogers.com> - 2014-06-02 17:37 -0700
        Re: int operator with various versions of Maple pluton <plutonesque@gmail.com> - 2014-06-02 18:39 -0700

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