[SciPy-User] Find and interpolate zero value

Pauli Virtanen pav at iki.fi
Fri Mar 29 12:50:16 EDT 2013


29.03.2013 18:42, Pauli Virtanen kirjoitti:
[clip]
> To find zeros, interpolate y-vs-x instead of x-vs-y

If there are multiple roots, you can use splines:

http://docs.scipy.org/doc/scipy/reference/generated/scipy.interpolate.InterpolatedUnivariateSpline.html

See the roots() method.

-- 
Pauli Virtanen




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