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Original Articles

A family of one-point iteration formulae for finding roots

Pages 85-88 | Received 01 Mar 1979, Published online: 19 Mar 2007
 

Abstract

In this paper a one parameter family of one-point iteration formulae for solution of a single variable equation is presented. The formulae are derived on the basis of one-point approximation by the four parameter function . The family includes the Halley's, Chebyshev's and Cauchy's formulae, and, as a limiting case, Newton's formula. All formulae of the family are cubically convergent to simple roots (except Newton's which is quadratically convergent).

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