Re: strange problem

[Henry F. Mollet]

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 address@hidden
wrote:

> On Thu, 27 Nov 2003 23:03:26 +0000
> Geraint Paul Bevan <address@hidden> wrote:
>> |
>> |    -2.0817e-17    1.0000e+02
>> |    -1.0000e-02    1.0000e+00
>> |
>> 
>> The number -2.0817e-17 is -0.000000000000000020817, which is very, very
>> close to zero.
>> 
> 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.
> 
> Thanks,
> 
> Christoph
> 
> 
> 
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