On the convergence of difference schemes for the approximation of solutionsu ? W 2 m (m>0.5) of elliptic equations with mixed derivatives
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The paper deals with such estimates of the rate of convergence of difference methods, which are compatible with the smoothness of the exact solution u W2m(), m>0.5, of elliptic equations with mixed derivatives: The error in the norm of the discrete Sobolev space W2s(), denoting the set of grid points, is shown to be of the order O(|h|m-s), 0s
author list (cited authors)
Lazarov, R., Makarov, V. L., & Weinelt, W.
complete list of authors
Lazarov, Raj OD||Makarov, Vladimir L||Weinelt, Wilfried