treams.special.hankel1_d

treams.special.hankel1_d(v, z) = <ufunc 'hankel1_d'>

Derivative of the Hankel function of the first kind.

Computed by

$${H_{\nu }^{(1)}}^{\prime }(z)=\frac{H_{\nu -1}^{(1)}(z)-H_{\nu +1}^{(1)}(z)}{2}$$

Parameters:

• v (float, array_like) – Order

• z (complex, array_like) – Argument

Returns:

complex

References

• DLMF: 10.6