Template Function lupnt::J1Bessel¶ Defined in File math_utils.h Function Documentation¶ template<typename T>T lupnt::J1Bessel(T x)¶ Bessel function of the first kind, order 1, via its truncated (10-term) power series. Note https://en.wikipedia.org/wiki/Bessel_function Parameters: x – Argument Returns: J1(x)