Interpolation algorithm for computing Drazin inverse of polynomial matrices
✍ Scribed by Marko D. Petković; Predrag S. Stanimirović
- Publisher
- Elsevier Science
- Year
- 2007
- Tongue
- English
- Weight
- 167 KB
- Volume
- 422
- Category
- Article
- ISSN
- 0024-3795
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📜 SIMILAR VOLUMES
A method for computing the inverse of an (n × n) integer matrix A using p-adic approximation is given. The method is similar to Dixon's algorithm, but ours has a quadratic convergence rate. The complexity of this algorithm (without using FFT or fast matrix multiplication) is O(n 4 (log n) 2 ), the s
In this paper, we consider the Drazin inverse of a sum of two matrices and derive additive formulas under conditions weaker than those used in some recent papers on the subject. As a corollary we get the main results from the paper of Yang and Liu [H. Yang, X. Liu, The Drazin inverse of the sum of t