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Re: [Help-gsl] arbitrary boundary conditions for splines
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From: |
Brian Gough |
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Subject: |
Re: [Help-gsl] arbitrary boundary conditions for splines |
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Date: |
Fri, 18 Dec 2009 21:24:05 +0000 |
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User-agent: |
Wanderlust/2.14.0 (Africa) Emacs/22.1 Mule/5.0 (SAKAKI) |
At Tue, 15 Dec 2009 16:07:42 -0500,
Alexis Rohou wrote:
> I am aware (
> http://www.gnu.org/software/gsl/manual/html_node/Interpolation-Types.html)
> that GSL uses natural splines (i.e. with second derivative = 0 at
> boudaries), but was wondering whether there might be a way to specify
> other/arbitrary boundary conditions.
There are periodic splines well. If you need any others, you would
need to define a new gsl_interp_type with a modified implementation
for the boundary condition. The file interp/cpline.c should show the
general idea.
--
Brian Gough
GNU Scientific Library -
http://www.gnu.org/software/gsl/