Re: [Gnuplot-info] Problem with singularity <-> Divide by zero

[Hans-Bernhard B. <HBB...@t-...>]

DonBieber wrote:

> I have data concerning rutherford-scattering. In order to verify the formula
> I need to make a fit with the function f(x)=a*1/(sin(x/2)**4). Like you can
> see I get for x=0 a little mathematical problem. The following picture shows
> the fit in green and how I would like it to be in blue. Is there any
> possibility of telling GnuPlot to skip x=0 and interpolate? 

Throw away the data point at x=0 (and all other exact multiples of \pi, 
of course) before you pass the data to the 'fit' command.