On the characteristic polynomial of a sum of matrices
- 1 February 1980
- journal article
- research article
- Published by Taylor & Francis in Linear and Multilinear Algebra
- Vol. 8 (3) , 177-182
- https://doi.org/10.1080/03081088008817315
Abstract
A formula is proved which relates the coefficients of the characteristic polynomial of a sum of matrices ΣtiAi with the coefficients of the characteristics polynomials in the monomials At1 …At, t⩽n. Two applications are given.Keywords
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