CODEWITHSUNDEEP
python-2.7scipyspline
user1984653
user1984653

Reputation: 590

Get spline fit residual from scipy.interpolate.splprep()

I am using the interpolate package from scipy. In the documentation of the splprep function, it says that amongst the return values, there is also the variable "fp" that contains the residuals of the spline fit. http://docs.scipy.org/doc/scipy-0.14.0/reference/generated/scipy.interpolate.splprep.html

I don't know how to retrieve the fp value because I cannot call the function with more than two return variables.

Here is some sample code I use:

from scipy import interpolate
[tck_poly, u] = interpolate.splprep([[1.,2.,3.,4.,5.]])

Does anybody know how to get this residual or another easy way to determine the fit quality?

Upvotes: 2

Views: 969

Answers (1)

unutbu
unutbu

Reputation: 879093

Specify full_output=True:

(tck, u), fp, ier, msg = interpolate.splprep([[1.,2.,3.,4.,5.]], full_output=True)

Upvotes: 4

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