Volume 17, Issue 1 (4-2022)
IJMSI 2022, 17(1): 71-83 |
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Golpar-Raboky E, Babolian E. On the WZ Factorization of the Real and Integer Matrices. IJMSI 2022; 17 (1) :71-83
URL: http://ijmsi.ir/article-1-1358-en.html
URL: http://ijmsi.ir/article-1-1358-en.html
Abstract:
The textit{QIF} (Quadrant Interlocking Factorization) method of Evans and Hatzopoulos solves linear equation systems using textit{WZ} factorization. The WZ factorization can be faster than the textit{LU} factorization because, it performs the simultaneous evaluation of two columns or two rows. Here, we present a method for computing the real and integer textit{WZ} and textit{ZW} factorizations by using the null space generators of some special nested submatrices of a matrix textit{A}.
Keywords: Linear systems, Quadrant interlocking factorization, WZ factorization, ZW factorization, Null space generator.
Type of Study: Research paper |
Subject:
Special
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