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Re: Sum[n^(-n), {n, 1, Infinity}]

  • To: mathgroup at smc.vnet.net
  • Subject: [mg93300] Re: [mg93276] Sum[n^(-n), {n, 1, Infinity}]
  • From: Syd Geraghty <sydgeraghty at me.com>
  • Date: Mon, 3 Nov 2008 05:26:49 -0500 (EST)
  • References: <200811020656.BAA02609@smc.vnet.net>

Hi Jack, (Hope the NSA computers do not pick that one up!!!)

In[102]= N[Sum[n^(-n), {n, 1, Infinity}]]

Out[102]= 1.29129

works fine on system config below. It may be a bug in 5.1 or try a new  
kernel and notebook.

Cheers  ... Syd

Syd Geraghty B.Sc, M.Sc.

sydgeraghty at mac.com

Mathematica 6.0.3 for Mac OS X x86 (64 - bit) (21st May, 2008)
MacOS X V 10.5.4
MacBook Pro 2.33 Ghz Intel Core 2 Duo  2GB RAM



On Nov 1, 2008, at 11:56 PM, Jack Kennedy wrote:

> Sum[n^(-n), {n, 1, Infinity}]
> Surely this sum converges (~ 1.29).Mathematica 5.1 says it's infinity.
> What's going on?
>
> Thanks,
> Jack
>



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