Re: [Scilab-users] Rounding error or precision setting?

2014-02-19 Thread Lester Anderson
Thanks for the pointer - knew it was a simple one! Cheers On 19 February 2014 14:25, Dang, Christophe wrote: > Hello, > > > De la part de Lester Anderson > > Envoyé : mercredi 19 février 2014 15:16 > > > > Is there a way to tell Scilab if this gets beyond a limit to round off > > at zero say? >

Re: [Scilab-users] Rounding error or precision setting?

2014-02-19 Thread Dang, Christophe
Hello, > De la part de Lester Anderson > Envoyé : mercredi 19 février 2014 15:16 > > Is there a way to tell Scilab if this gets beyond a limit to round off > at zero say? Maybe format() or clean() ? http://help.scilab.org/docs/5.4.1/en_US/format.html http://help.scilab.org/docs/5.4.1/en_US/clean

Re: [Scilab-users] Rounding error or precision setting?

2014-02-19 Thread Adrien Vogt-Schilb
Hi The function *clean *does that: clean(cos(%pi)+%i*sin(%pi)) Note that the limited precision of floating point numbers is a general issue in computer science. http://en.wikipedia.org/wiki/Floating_point#Representable_numbers.2C_conversion_and_rounding You should be aware of that for ins

[Scilab-users] Rounding error or precision setting?

2014-02-19 Thread Lester Anderson
Hello, Just a quick query. Not been using Scilab for a while, so maybe I have missed something, but is there a built-in precision setting for working with real and imaginary functions? Tried the Euler formula (special case) in Scilab 5.4.1: -->x=cos(%pi)+(%i*sin(%pi)) x = - 1. + 1.225D-16i