Indices of convexity and concavity. Application to Halley method.

  1. Hernández, M.A. 1
  2. Salanova, M.A. 1
  1. 1 Universidad de La Rioja
    info

    Universidad de La Rioja

    Logroño, España

    ROR https://ror.org/0553yr311

Aldizkaria:
Applied Mathematics and Computation

ISSN: 0096-3003

Argitalpen urtea: 1999

Alea: 103

Zenbakia: 1

Orrialdeak: 27-49

Mota: Artikulua

Beste argitalpen batzuk: Applied Mathematics and Computation

Gordailu instituzionala: lock_openSarbide irekia Editor

Laburpena

We define an index to measure the convexity of a convex function f at each point. We use this index to establish conditions on the convergence of the Halley method in the complex plane and in Banach spaces.