A note on the computation of double zeros of polynomials via Vieta’s equations. (English) Zbl 0731.65036
The author describes a variant of Newton’s method for the computation of polynomial zeros via Vieta’s equations which exhibits quadratic convergence even in the presence of exactly one double zero.
Reviewer: G.Merz (Vellmar)
MSC:
65H05 | Numerical computation of solutions to single equations |
26C10 | Real polynomials: location of zeros |