Groups > comp.soft-sys.math.maple > #1300

Re: Oh simplify!

Newsgroups	comp.soft-sys.math.maple
Date	2018-03-14 09:00 -0700
References	<11b15dd8-64af-4f39-8303-9f7e0d594450@googlegroups.com>
Message-ID	<e8187cfa-fd8f-42ea-b391-8fa6b37a49d9@googlegroups.com> (permalink)
Subject	Re: Oh simplify!
From	acer <maple@rogers.com>

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On Wednesday, March 14, 2018 at 9:10:49 AM UTC-4, Peter Luschny wrote:
> a := n -> hypergeom([-n, -n, n + 1, n + 1], [1/2, 1, 1], 1/4);
> 
> seq(simplify(a(n)), n=0..5);
> seq(simplify((-1)^n*a(n)), n=0..5);
> 
> 1,  3, 25,  243, 2601,  29403
> 1, -2, 25, -242, 2601, -29402

I see the following, in each release from Maple 17.00 (Feb 2013) to Maple 2017.3 (Sep 2017).

a := n -> hypergeom([-n, -n, n + 1, n + 1], [1/2, 1, 1], 1/4):

seq(simplify(a(n)), n=0..5);
                     1, 3, 25, 243, 2601, 29403

seq(simplify((-1)^n*a(n)), n=0..5);
                     1, -3, 25, -243, 2601, -29403

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Oh simplify! Peter Luschny <peter.luschny@gmail.com> - 2018-03-14 06:10 -0700
  Re: Oh simplify! acer <maple@rogers.com> - 2018-03-14 09:00 -0700
    Re: Oh simplify! Peter Luschny <peter.luschny@gmail.com> - 2018-03-14 12:52 -0700
      Re: Oh simplify! acer <maple@rogers.com> - 2018-03-14 13:52 -0700

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