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A Generalized Symbolic Thomas Algorithm 被引量:2
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作者 Moawwad El-Mikkawy 《Applied Mathematics》 2012年第4期342-345,共4页
The current paper is mainly devoted to construct a generalized symbolic Thomas algorithm that will never fail. Two new efficient and reliable computational algorithms are given. The algorithms are suited for implement... The current paper is mainly devoted to construct a generalized symbolic Thomas algorithm that will never fail. Two new efficient and reliable computational algorithms are given. The algorithms are suited for implementation using computer algebra systems (CAS) such as Mathematica, Macsyma and Maple. Some illustrative examples are given. 展开更多
关键词 TRIDIAGONAL MATRICES LU FACTORIZATION Linear Systems detgtri algorithm Thomas algorithm
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On Solving Centrosymmetric Linear Systems
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作者 Moawwad El-Mikkawy Faiz Atlan 《Applied Mathematics》 2013年第12期21-32,共12页
The current paper is mainly devoted for solving centrosymmetric linear systems of equations. Formulae for the determinants of tridiagonal centrosymmetric matrices are obtained explicitly. Two efficient computational a... The current paper is mainly devoted for solving centrosymmetric linear systems of equations. Formulae for the determinants of tridiagonal centrosymmetric matrices are obtained explicitly. Two efficient computational algorithms are established for solving general centrosymmetric linear systems. Based on these algorithms, a MAPLE procedure is written. Some illustrative examples are given. 展开更多
关键词 CENTROSYMMETRIC MATRIX Exchange MATRIX Rotate MATRIX Linear System detgtri algorithm Computer ALGEBRA Systems (CAS) MAPLE
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