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MathGroup Archive 2006

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Re: Re: 1`2 == 1*^-10

  • To: mathgroup at smc.vnet.net
  • Subject: [mg71687] Re: [mg71634] Re: 1`2 == 1*^-10
  • From: "Chris Chiasson" <chris at chiasson.name>
  • Date: Sun, 26 Nov 2006 03:49:26 -0500 (EST)
  • References: <200611251037.FAA15661@smc.vnet.net>

On 11/25/06, Bill Rowe <readnewsciv at sbcglobal.net> wrote:
>And it doesn't seem to me there would be any
>difficulty in rounding results to two significant digits.

Yea, but I'm lazy. I once wrote some code that would do forward error
propagation (and associated print formatting) at machine (or whatever)
precision if given the initial errors. It has the same problem that I
mentioned with significance arithmetic, where all errors are treated
as independent.

-- 
http://chris.chiasson.name/


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