Zhihua Xiong, Yixin Xu, et al.
International Journal of Modelling, Identification and Control
Paper
Circular discs containing eigenvalues of normal matrices
Abstract
We give an inclusion theorem for the eigenvalues of a normal matrix using discs similar to the Gerschgorin discs. This theorem is used to obtain bounds on the eigenvalues of Jordan products, and a variant of Kantorovich's inequality for normal matrices. © 1989.
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