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A frontal code for the solution of sparse positive-definite symmetric systems arising from finite-element applications. (English) Zbl 0962.65028


MSC:

65F05 Direct numerical methods for linear systems and matrix inversion
65N30 Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs
65Y20 Complexity and performance of numerical algorithms
65F50 Computational methods for sparse matrices
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