[SciPy-user] NewBie: Fit Data to an implicit function
dd55 at cornell.edu
Wed Jun 8 08:10:05 CDT 2005
On Wednesday 08 June 2005 9:02 am, Niklas Papathanasiou wrote:
> I like to fit data to an implicit function.
> I,U are data
> I0,Rs,Rp,A are Parameter
> k,T are physical constants
> Did anyone did this before or do I have to start from the scratch?
Check the SciPy users guide, about least squares fits. You want to write a
function that returns the residuals:
residuals = I-I0*exp((U-I*Rs)/(A*k*T)-1)+(U-IRs)/Rp
and then pass that function to scipy.optimize.leastsq
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