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This is documentation for an old release of NumPy (version 1.15). Read this page in the documentation of the latest stable release (version 2.2).

numpy.polynomial.legendre.Legendre.deriv

Legendre.deriv(m=1)[source]

Differentiate.

Return a series instance of that is the derivative of the current series.

Parameters:
m : non-negative int

Find the derivative of order m.

Returns:
new_series : series

A new series representing the derivative. The domain is the same as the domain of the differentiated series.