Convergence of the modified Halley's method for multiple zeros under Hölder continuous derivative

  • Authors:
  • Weihong Bi;Hongmin Ren;Qingbiao Wu

  • Affiliations:
  • Department of Mathematics, Zhejiang University, Hangzhou, People's Republic of China 310027;Department of Information and Electronics, Hangzhou Polytechnic, Hangzhou, People's Republic of China 311400;Department of Mathematics, Zhejiang University, Hangzhou, People's Republic of China 310027

  • Venue:
  • Numerical Algorithms
  • Year:
  • 2011

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Abstract

In this paper, the estimate of the radius of the convergence ball of the modified Halley's method for finding multiple zeros of nonlinear equations is provided under the hypotheses that the derivative f (m驴+驴1) of function f is Hölder continuous, and f (m驴+驴1) is bounded. The uniqueness ball of solution is also established. Finally, some examples are provided to show applications of our theorem.