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Title: A program to reorder and solve sparse unsymmetric linear systems using the envelope method
Authors: Judice, JJ
Mitra, G
Tamiz, M
Issue Date: 1987
Publisher: Brunel University
Citation: Maths Technical Papers (Brunel University). March 1987 , pp 1-49
Series/Report no.: ;TR/04/87
Abstract: The envelope data structure and the Choleski based (bordering) method for the solution of symmetric sparse systems of linear equations have been extended by the authors to solve unsymmetric systems of linear equations. The data structures used in this general linear equation Solver and a set of FORTRAN 77 subroutines are described. Some test data (extracted from LP problems as basis matrices) together with experimental results are presented.
Appears in Collections:Dept of Mathematics Research Papers
Mathematical Sciences

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