Open AccessOn Numerical Radius of a Matrix and Estimation of Bounds for Zeros of a Polynomial
Author(s) -
Kallol Paul,
Santanu Bag
Publication year - 2012
Publication title -
international journal of mathematics and mathematical sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 39
eISSN - 1687-0425
pISSN - 0161-1712
DOI - 10.1155/2012/129132
Subject(s) - algorithm , mathematics
We obtain inequalities involving numerical radius of a matrix A∈Mn(ℂ). Using this result, we find upper bounds for zeros of a given polynomial. We also give a method to estimate the spectral radius of a given matrix A∈Mn(ℂ) up to the desired degree of accuracy
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