Re: Problem wit cubic spline
- To: mathgroup at smc.vnet.net
- Subject: [mg75029] Re: [mg74994] Problem wit cubic spline
- From: Bob Hanlon <hanlonr at cox.net>
- Date: Sat, 14 Apr 2007 01:15:25 -0400 (EDT)
- Reply-to: hanlonr at cox.net
Works here.
$Version
5.2 for Mac OS X (June 20, 2005)
<<NumericalMath`SplineFit`
pts = {{0,0},{1,2},{-1,3},{0,1},{3,0}};
spline = SplineFit[pts, Cubic]
"SplineFunction["Cubic", "{0., 4.}", <>]"
spline[1.4]
{0.265143,2.70171}
ParametricPlot[spline[u],{u,0,4},
Epilog->{Red, AbsolutePointSize[4],Point/@pts}];
Bob Hanlon
---- anguzman at ing.uchile.cl wrote:
> Hello:
> I'm using Mathematica 5 and I'm having some problems with SplineFit
> I run :
> <<NumericalMath`SplineFit`
>
> pts = {{0,0},{1,2},{-1,3},{0,1},{3,0}};
>
>
> spline = SplineFit[pts, Cubic]
>
>
> SplineFit[{{0,0},{1,2},{-1,3},{0,1},{3,0}},Cubic]
>
> That is, it didn't recognize the last command...The graphic doesn't
> work either.
> With Bezier (or CompositeBezier) there is no problem.
>
> spline = SplineFit[pts, Bezier]
>
> SplineFunction[\[InvisibleSpace]Bezier\[InvisibleSpace], \[InvisibleSpace]{0.,
> 4.}\[InvisibleSpace], <>]
>
> And Graphics works fine....
> I tried to run the commands directly from the Help Browser and it
> didn't work..
>
> Does anybody has the same problem?
> Thanks in advance
>
> Atte. Andres Guzman
>
>
>
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