method
Chebyshev.cutdeg(self, deg)
[source]
Truncate series to the given degree.
Reduce the degree of the series to deg
by discarding the high order terms. If deg
is greater than the current degree a copy of the current series is returned. This can be useful in least squares where the coefficients of the high degree terms may be very small.
New in version 1.5.0.
Parameters: 


Returns: 

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https://docs.scipy.org/doc/numpy1.17.0/reference/generated/numpy.polynomial.chebyshev.Chebyshev.cutdeg.html