A preconditioning method for the finite element stiffness matrix is given in this paper. The triangulation is refined in a subregion; the preconditioning process is composed of resolution of two ...
SIAM Journal on Numerical Analysis, Vol. 45, No. 2 (2007), pp. 746-769 (24 pages) We derive a new formula for the asymptotic eigenvalue distribution of stiffness matrices obtained by applying P₁ ...
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