bundles / scipy 2.0.0.dev0+git20260907.41eeb59 / scipy / interpolate / _fitpack2 / UnivariateSpline / derivatives

function

`scipy.interpolate._fitpack2:UnivariateSpline.derivatives`

source: build-install/usr/lib/python3.14/site-packages/scipy/interpolate/_fitpack2.py:823

Signature

def derivatives(self, x)

Summary

Return all derivatives of the spline at the point x.

Parameters

x : float: The point to evaluate the derivatives at.

Returns

der : ndarray, shape(k+1,): Derivatives of the orders 0 to k.

Examples

import numpy as np
from scipy.interpolate import UnivariateSpline
x = np.linspace(0, 3, 11)
y = x**2
spl = UnivariateSpline(x, y)

✓

spl.derivatives(1.5)

✗

array([2.25, 3.  , 2.  , 0.  ])

Aliases

scipy.interpolate.UnivariateSpline.derivatives