Radial Quadrature and Spectral Methods

Weights, nodes, and spectral methods matices for radial problems

Computes the nodes and weights for numerically solving integrals of the form

/R
| f(r) r^k dr
/0

on N grid points. Exact to machine precision for f(r) as a polynomial of
order 2N-1 or less. Constructs Vandermonde, Integration, and Differentiation matrices for radial differential equations.