088256964215677, 0.7812128213002889, -0.8694697855159659)

Compute the first derivative of the Bessel function of the second
kind for several orders at 1 by providing an array for `v`.

>>> yvp([0, 1, 2], 1, 1)
array([0.78121282, 0.86946979, 2.52015239])

Compute the first derivative of the Bessel function of the
second kind of order 0 at several points by providing an array for `z`.

>>> import numpy as np
>>> points = np.array([0.5, 1.5, 3.])
>>> yvp(0, points, 1)
array([ 1.47147239,  0.41230863, -0.32467442])

Plot the Bessel function of the second kind of order 1 and its
first three derivatives.

>>> import matplotlib.pyplot as plt
>>> x = np.linspace(0, 5, 1000)
>>> x[0] += 1e-15
>>> fig, ax = plt.subplots()
>>> ax.plot(x, yvp(1, x, 0), label=r"$Y_1$")
>>> ax.plot(x, yvp(1, x, 1), label=r"$Y_1'$")
>>> ax.plot(x, yvp(1, x, 2), label=r"$Y_1''$")
>>> ax.plot(x, yvp(1, x, 3), label=r"$Y_1'''$")
>>> ax.set_ylim(-10, 10)
>>> plt.legend()
>>> plt.show()
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