Type: Article
Publication Date: 1986-01-01
Citations: 19
DOI: https://doi.org/10.2307/2008228
The convergence of product integration rules, based on Gaussian quadrature points, is investigated for functions with interior and endpoint singularities over bounded and unbounded intervals.The investigation is based on a new convergence result for Lagrangian interpolation and Gaussian quadrature of singular integrands.