The Iyengar inequality, revisited - Wang, X. H.; Xie, C. C.; Yang, S. J. (BIT (Nordisk Tidskrift for Informationsbehandling), 2007)
Keywords: Approximations and expansions; Exact sciences and technology; Mathematical analysis; Mathematics; Numerical analysis; Numerical analysis. Scientific computation; Numerical approximation; Sciences and techniques of general use; central algorithm; perfect spline; Non linear system; Algorithm; Spline approximation; Equation system; Numerical approximation; Non linear equation; 65D30; Interpolation; Cubature; best interpolation; Nonlinearity; Function derivative; Quadrature formula; 41A17. Iyengar inequality; best quadrature