Re: Fitting models

[Martin Helm]

Am Dienstag, 14. Dezember 2010, 16:01:02 schrieb Sebastian Roller:
> > Subject: Re: Fitting models
> > From: address@hidden
> > Date: Tue, 14 Dec 2010 08:25:47 -0500
> > CC: address@hidden
> > To: address@hidden
> > 
> > On Dec 14, 2010, at 6:42 AM, Sebastian Roller wrote:
> > > Hello,
> > > i'm Sebastian.
> > > I'm using octave in order to fit many values.
> > > The values come from an engine-model of my university (hcci-model).
> > > The person before me, used MATLAB, and my work is now, to do the same
> > > with octave. In MATLAB is used the fitting function "smoothing
> > > spline". But this function is not available in octave.
> > > So my question is, if anybody knows a simiular function in octave and
> > > how to use it???
> > > 
> > > values:
> > > 
> > > x-axes: crank angle
> > > y-axes: temperature(K) / pressure(bar)
> > > 
> > > 
> > > Thanks Sebastian
> > 
> > If you are referring to the cubic smoothing spline (csaps) that is
> > included in Matlab's curvefiting toolbox, Octave Forge has something
> > similar (same?)
> > 
> >     http://octave.sourceforge.net/spline-gcvspl/overview.html
> > 
> > Ben
> > 
> > Hi again,
> 
> i tried to install the pkg: spline-gvcspl and i finally did it, but
> something goes wrong... when i want to open the help-function : " help
> csaps" , csaps is unknown! The pkg splines is working! Is there a trick or
> something like this in order  to make this package run???
> 
> Thanks Sebastian!!!

Are you sure the package is loaded, what happens if you manually load it

load spline-gvcspl
help csaps