This is a preview. Log in through your library . Abstract Methods of polynomial degree d to approximate integrals over the surface of the s-dimensional sphere are discussed. Such methods are ...

Approximate integration formulas for compact regions in n-dimensional Euclidean space are considered. For planar regions which are invariant under the symmetries of a square, it is shown that there ...

Studies properties and solutions of partial differential equations. Covers methods of characteristics, well-posedness, wave, heat and Laplace equations, Green's functions, and related integral ...