Groups > comp.lang.python > #20493

format a measurement result and its error in "scientific" way

Date	2012-02-16 01:18 +0100
Subject	format a measurement result and its error in "scientific" way
From	Daniel Fetchinson <fetchinson@googlemail.com>
Newsgroups	comp.lang.python
Message-ID	<mailman.5869.1329351490.27778.python-list@python.org> (permalink)

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Hi folks, often times in science one expresses a value (say
1.03789291) and its error (say 0.00089) in a short way by parentheses
like so: 1.0379(9)

One can vary things a bit, but let's take the simplest case when we
only keep 1 digit of the error (and round it of course) and round the
value correspondingly. I've been searching around for a simple
function that would take 2 float arguments and would return a string
but didn't find anything although something tells me it's been done a
gazillion times.

What would be the simplest such function?

Cheers,
Daniel


-- 
Psss, psss, put it down! - http://www.cafepress.com/putitdown

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format a measurement result and its error in "scientific" way Daniel Fetchinson <fetchinson@googlemail.com> - 2012-02-16 01:18 +0100
  Re: format a measurement result and its error in "scientific" way jmfauth <wxjmfauth@gmail.com> - 2012-02-17 01:17 -0800
    Re: format a measurement result and its error in "scientific" way Daniel Fetchinson <fetchinson@googlemail.com> - 2012-02-17 11:03 +0100
      Re: format a measurement result and its error in "scientific" way jmfauth <wxjmfauth@gmail.com> - 2012-02-17 04:13 -0800
  Re: format a measurement result and its error in "scientific" way Ulrich Eckhardt <ulrich.eckhardt@dominolaser.com> - 2012-02-17 12:16 +0100

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