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Re: [Bug-gsl] Cspline interpolation problem
From: |
Brian Gough |
Subject: |
Re: [Bug-gsl] Cspline interpolation problem |
Date: |
Fri, 10 Sep 2004 18:43:08 +0100 |
Daniel Webb writes:
> I have a set of data that kills cspline (all output is nan). akima works
> fine as far as I can tell. I don't know a whole lot about splines, but
> the data set is not that erratic (at least to my eye).
Thanks for the bug report.
The NaN is triggered by two entries in the data with the same
x-coordinate (5.85), leading to a division by zero when calculating
the slope.
I'll make an entry in the BUGS file that this should be handled better.
--
Brian Gough
Network Theory Ltd,
Commercial support for GSL --- http://www.network-theory.co.uk/gsl/