Three-way companion matrices of three-variable polynomials
نویسندگان
چکیده
منابع مشابه
Pseudozeros of polynomials and pseudospectra of companion matrices
It is well known that the zeros of a polynomial p are equal to the eigenvalues of the associated companion matrix A. In this paper we take a geometric view of the conditioning of these two problems and of the stability of algorithms for polynomial zerofinding. The -pseudozero setZ (p) is the set of zeros of all polynomials p̂ obtained by coefficientwise perturbations of p of size ≤ ; this is a s...
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ژورنال
عنوان ژورنال: Linear Algebra and its Applications
سال: 1981
ISSN: 0024-3795
DOI: 10.1016/0024-3795(81)90167-1