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MathGroup Archive 2005

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Re: FullSimplify again ...

  • To: mathgroup at smc.vnet.net
  • Subject: [mg59156] Re: FullSimplify again ...
  • From: "Chris" <topher at csh.rit.edu>
  • Date: Sun, 31 Jul 2005 01:30:33 -0400 (EDT)
  • References: <dcf3d4$lgl$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Actually, it's not all that strange. If you consider n to be real, the
expression 0 at anything but a few integers making the function 0
except for a few holes.

In[43]:=
FullSimplify[Product[(5-i)/5,{i,1,n}],n\[Element]Integers]

Out[43]:=
(-1/5)^n*Pochhammer[-4, n]


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