8 search results - page 1 / 2 » Perturbing polynomials with all their roots on the unit circ... |
MOC
1998
13 years 10 months ago
1998
Given a monic real polynomial with all its roots on the unit circle, we ask to what extent one can perturb its middle coefficient and still have a polynomial with all its roots on ...
ISSAC
1998
Springer
14 years 3 months ago
1998
Springer
Continuous changes of the coefficients of a polynomial move the roots continuously. We consider the problem finding the minimal perturbations to the coefficients to move a root to...
SIAMSC
2008
13 years 10 months ago
2008
This paper presents fast and reliable condition estimates for the roots of a real polynomial based on the method of statistical condition estimation (SCE) by Kenney and Laub. Using...
ENGL
2008
13 years 11 months ago
2008
An array antenna system with innovative signal processing can enhance the resolution of a signal direction of arrival (DOA) estimation. Super resolution algorithms take advantage o...
MOC
1998
13 years 10 months ago
1998
Abstract. We determine all exceptional units among the elements of certain groups of units in quartic number fields. These groups arise from a oneparameter family of polynomials w...