An extension of Lagrange interpolation formula and its applications

Document Type : Original Article


1 Financial Mathematics Department, Finance Faculty, Kharazmi University, Tehran, Iran

2 Faculty of Mathematics, K. N. Toosi University of Technology, Tehran, Iran


In this work, a new type of interpolation formula is introduced. These formulas can be an extension of the Lagrange interpolation formula. The error of this new type of interpolation is calculated. In order to display efficiency of the proposed formulas, three numerical examples are presented.


Main Subjects

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