Note that the dominant term is quite similar to corresponding the Schr�dinger solution the upper index on the Laguerre polynomial is slightly less ( 2? + 1 or 2? " 1 rather than 2 ! + 1, which is the nearest integer ), as is the power of ? ( ? or ? " 1 instead of !, the nearest integer ).
22.
Clause 19 defines numerous special functions, including the gamma function, Riemann zeta function, beta function, exponential integral, logarithmic integral, sine integral, Fresnel integrals, error function, incomplete elliptic integrals, hypergeometric functions, Legendre polynomials, spherical harmonics, Hermite polynomials, Laguerre polynomials, Chebyshev polynomials, Bessel functions, Neumann functions, Hankel functions and Airy functions.
