SciPy

scipy.interpolate.NdPPoly.__call__

NdPPoly.__call__(x, nu=None, extrapolate=None)[source]

Evaluate the piecewise polynomial or its derivative

Parameters
xarray-like

Points to evaluate the interpolant at.

nutuple, optional

Orders of derivatives to evaluate. Each must be non-negative.

extrapolatebool, optional

Whether to extrapolate to out-of-bounds points based on first and last intervals, or to return NaNs.

Returns
yarray-like

Interpolated values. Shape is determined by replacing the interpolation axis in the original array with the shape of x.

Notes

Derivatives are evaluated piecewise for each polynomial segment, even if the polynomial is not differentiable at the breakpoints. The polynomial intervals are considered half-open, [a, b), except for the last interval which is closed [a, b].

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