دوره 17، شماره 1 - ( 1-1401 )
جلد 17 شماره 1 صفحات 83-71 |
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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-fa.html
URL: http://ijmsi.ir/article-1-1358-fa.html
On the WZ Factorization of the Real and Integer Matrices. مجله علوم ریاضی و انفورماتیک. 1401; 17 (1) :71-83
چکیده:
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}.
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