Re: [Gnuplot-info] How to get the function from acspline fitting?

[Thomas S. <t.s...@fz...>]

it's not a simple function, instead the spline is defined by an internal
matrix (4 values per x-value) which is used to calculated the polynomial
at each sample point.
without modifying the source code of gnuplot it's not possible to
have access to this matrix.

but you can get the approximation curve out as a sequence of
x-y-pairs:
'set samples' to a large enough value and 'set table' before
plotting.


lynx.abraxas wrote:
> 
> Hello!
> 
> 
> I'm  wondering if it is possible to get the function that gnuplot plotted
> when
> it plots data with acsplines.
> I'd like to have that to differentiate it for further plotting/evaluation.
> 
> Many thanks for any hints or help
> Lynx
> 
> 
> 
> 
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