On the Minimal Polynomials and the Inverses of Multilevel Scaled Factor Circulant Matrices

Zhaolin Jiang

Abstract and Applied Analysis, 2014, vol. 2014, 1-10

Abstract:

Circulant matrices have important applications in solving various differential equations. The level- k scaled factor circulant matrix over any field is introduced. Algorithms for finding the minimal polynomial of this kind of matrices over any field are presented by means of the algorithm for the Gröbner basis of the ideal in the polynomial ring. And two algorithms for finding the inverses of such matrices are also presented. Finally, an algorithm for computing the inverse of partitioned matrix with level- k scaled factor circulant matrix blocks over any field is given by using the Schur complement, which can be realized by CoCoA 4.0, an algebraic system, over the field of rational numbers or the field of residue classes of modulo prime number.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlaaa:521643

DOI: 10.1155/2014/521643

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