Minimal quadratures for functions of low-order continuity

Johnson, L. W.; Riess, R. D.

doi:10.1090/S0025-5718-1971-0298940-X

Minimal quadratures for functions of low-order continuity
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by L. W. Johnson and R. D. Riess PDF

Math. Comp. 25 (1971), 831-835 Request permission

Abstract:

An analog of Wilf’s quadrature is developed for functions of low-order continuity. This analog is used to demonstrate that the order of convergence of Wilf’s quadrature is at least $1/n$.

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