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논문 기본 정보

자료유형
학술저널
저자정보
Parida, P.K. (Center for Applied Mathematics, Central University of Jharkhand) Gupta, D.K. (Department of Mathematics, Indian Institute of Technology) Parhi, S.K. (Department of Mathematics, Indian Institute of Information Technology)
저널정보
한국전산응용수학회 Journal of applied mathematics & informatics Journal of applied mathematics & informatics 제31권 제3호
발행연도
2013.1
수록면
399 - 416 (18page)

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The semilocal convergence of a third order iterative method used for solving nonlinear operator equations in Banach spaces is established by using recurrence relations under the assumption that the second Fr´echet derivative of the involved operator satisfies the ${\omega}$-continuity condition given by $||F^{\prime\prime}(x)-F^{\prime\prime}(y)||{\leq}{\omega}(||x-y||)$, $x,y{\in}{\Omega}$, where, ${\omega}(x)$ is a nondecreasing continuous real function for x > 0, such that ${\omega}(0){\geq}0$. This condition is milder than the usual Lipschitz/H$\ddot{o}$lder continuity condition on $F^{\prime\prime}$. A family of recurrence relations based on two constants depending on the involved operator is derived. An existence-uniqueness theorem is established to show that the R-order convergence of the method is (2+$p$), where $p{\in}(0,1]$. A priori error bounds for the method are also derived. Two numerical examples are worked out to demonstrate the efficacy of our approach and comparisons are elucidated with a known result.

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