Carte Structured Matrix Based Methods for Approximate Polynomial GCD Paola Boito

Structured Matrix Based Methods for Approximate Polynomial GCD

Autor: Paola Boito
Limbă: engleză
Legare: Carte broșată
Disponibilitate: În depozitul extern
Expediem în 9-15 zile
146.12 lei
Defining and computing a greatest common divisor of two polynomials with inexact coefficients is a c...

Informații despre carte

Autor
Limbă
engleză
Legare
Carte - Carte broșată
Publicat
2011
Pagini
250
EAN
9788876423802
ISBN
887642380X
Enbook ID
01967796
Greutate
423
Dimensiuni
168 x 240 x 25

Descriere completă

Defining and computing a greatest common divisor of two polynomials with inexact coefficients is a classical problem in symbolic-numeric computation. The first part of this book reviews the main results that have been proposed so far in the literature. As usual with polynomial computations, the polynomial GCD problem can be expressed in matrix form: the second part of the book focuses on this point of view and analyses the structure of the relevant matrices, such as Toeplitz, Toepliz-block and displacement structures. New algorithms for the computation of approximate polynomial GCD are presented, along with extensive numerical tests. The use of matrix structure allows, in particular, to lower the asymptotic computational cost from cubic to quadratic order with respect to polynomial degree.

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