An Algorithm for finding the inverse of every r- diagonal matrix

Message:
Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:

In this paper, we try to find the inverse for a general r- diagonal matrix (band matrix) by an algorithm. We did this work by LU factorization and a lemma about these matrices. This work can decrease the computational cost in compare with general inverse algorithm. We show a numerical example for clear this method.

Keywords:

r- diagonal matrix , LU factorization , algorithm , Inverse matrix

Language:
English
Published:
Wavelets and Linear Algebra, Volume:7 Issue: 3, Autumn and Winter 2020
Pages:
79 to 94
https://www.magiran.com/p2279343  
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