dricbesj

deeptrack.backend.polynomials.dricbesj(l: int | float, x: int | float | ndarray) → float | ndarray

The first derivative of the Riccati-Bessel polynomial of the 1st kind.

Parameters

l: int or float

Polynomial order.

x: int or float or np.ndarray

The point(s) where the polynomial is evaluated.

Returns

float or np.ndarray

The polynomial evaluated at x.