hmf.core._kernels.interpolation.hermite_cubic

hmf.core._kernels.interpolation.hermite_cubic(u: ndarray[tuple[Any, ...], dtype[float64]], h: float, y0: ndarray[tuple[Any, ...], dtype[float64]], y1: ndarray[tuple[Any, ...], dtype[float64]], d0: ndarray[tuple[Any, ...], dtype[float64]], d1: ndarray[tuple[Any, ...], dtype[float64]]) → ndarray[tuple[Any, ...], dtype[float64]][source]

The cubic Hermite interpolant on [x0, x0 + h] at x0 + u h.

Parameters:

  • u – The local coordinate, in [0, 1].

  • h – The width of the interval.

  • y0 – The values at its ends.

  • y1 – The values at its ends.

  • d0 – The derivatives at its ends.

  • d1 – The derivatives at its ends.

Returns:

The interpolant.

Return type:

ndarray