SIAM Journal on Numerical Analysis, Vol. 21, No. 2 (Apr., 1984), pp. 285-299 (15 pages) We present fast methods for solving Laplace's and the biharmonic equations on irregular regions with smooth ...
The influence of discrete boundary conditions on the stability of a finite-difference scheme is difficult to analyze completely. Extraneous eigenvalues may be introduced, and their location is ...
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