scipy.interpolate.LSQUnivariateSpline.derivatives¶

LSQUnivariateSpline.derivatives(x)[源代码]¶

返回点x处样条的所有导数。

参数

x浮动: 评估导数的点在。

退货

derndarray，形状(k+1，): 0到k阶导数。

示例

>>> 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, 3.0, 2.0, 0])

scipy.interpolate.LSQUnivariateSpline.derivative

scipy.interpolate.LSQUnivariateSpline.get_coeffs