From help-octave-request at bevo dot che dot wisc dot edu Wed Dec  3 15:57:27 2003
Subject: Re: strange problem
From: Geraint Paul Bevan <g dot bevan at mech dot gla dot ac dot uk>
To: "Henry F. Mollet" <mollet at pacbell dot net>
CC: Christoph Dalitz <christoph dot dalitz at hs-niederrhein dot de>,    Octave_post <help-octave@bevo.che.wisc.edu>
Date: Wed, 03 Dec 2003 22:03:24 +0000

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Henry F. Mollet wrote:
| octave:14> x=-0.000000000000000020817
| x =  -2.0817e-17
| octave:15> fix(x)
| ans = 0
| Henry
|
|
| on 11/27/03 11:58 PM, Christoph Dalitz at
christoph dot dalitz at hs-niederrhein dot de
| wrote:
|

|>
|>Is there an Octave function that truncates/rounds such small numbers to
|>zero (like the Scilab function "clean")?
|>
|>I have tried "help round" and "help trunc", but found nothing appropriate.
|>

An unfortunate side effect of that approach would be the conversion of
all your other numbers to integers:

octave:1> fix (2.1)
ans = 2

- --
Geraint Bevan
http://homepage.ntlworld.com/geraint.bevan

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