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Re: [Bug-gsl] interpolation function
From: |
Brian Gough |
Subject: |
Re: [Bug-gsl] interpolation function |
Date: |
Sun, 29 Mar 2009 08:49:30 +0100 |
User-agent: |
Wanderlust/2.14.0 (Africa) Emacs/22.2 Mule/5.0 (SAKAKI) |
At Fri, 27 Mar 2009 00:25:28 +0000,
Michael Ng wrote:
>
> Dear gurus,
> I am using the following function to get interpolation points in a
> 3D surface. I am doing it for the sake of finding the intersection line
> between two surfaces:
>
> gsl_spline_eval(spline, x, acc);
>
> Unfortunately, the abave line failed to work when the data 'x' is a
> constant, since it is from a flat surface. I understand that x has to be
> in ascending order, but I hope to find a quick fix when x is a constant...
As you say x must be increasing, so the only way is to remove any
equal points before doing the interpolation.
--
Brian Gough
(GSL Maintainer)
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