Three terms recurrence

Recurrence algorithms

modified_chebyshev(moments)	Given the first 2N raw statistical moments, this method uses the modified Chebyshev algorithm for computing the associated recurrence coefficients.
lanczos(order, dist[, rule, tolerance, ...])	Discretized Lanczos' method.
stieltjes(order, dist[, rule, tolerance, ...])	Stieltjes' method.
discretized_stieltjes(order, dist[, rule, ...])	Discretized Stieltjes' method.
analytical_stieltjes(order, dist[, multiplier])	Analytical Stieltjes' method

Utility functions

coefficients_to_quadrature(coeffs)

Construct Gaussian quadrature abscissas and weights from three terms recurrence coefficients.