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Re: Floating-Point Computing

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  • Subject: [mg93933] Re: Floating-Point Computing
  • From: Szabolcs <szhorvat at>
  • Date: Sat, 29 Nov 2008 04:29:09 -0500 (EST)
  • References: <ggofnk$rsh$> <ggon6q$1bt$>

On Nov 28, 1:12 pm, Jens-Peer Kuska <ku... at>
> Hi,
> Sum[Sqrt[n], {n, 1, 1000000000}]
> NSum[Sqrt[n], {n, 1, 1000000000}]  ??

I think the main point of the OP's question was that he wanted to add
the numbers one-by-one and see how the result depended on the
precision instead of using clever methods (that are built into Sum/
NSum) to get a precise result.

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