This is a preview. Log in through your library . Abstract In this paper, we consider the evaluation of surface integrals over piecewise smooth surfaces in three dimensions. The method consists in ...

In this paper, some simple methods for the calculation of line integrals over smooth curves are considered, where an explicitly differential parametrization for the curve is either not available or is ...

P.S.—I thank Mr. C. F. Merchant for pointing out in NATURE of June 3 that the four-ordinate rule is already in use, and for giving a reference to Tchebycheff's rules, with which I was unacquainted.

The Nature Index 2024 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...