A DIFFERENTIATION AND DIVIDED DIFFERENCE FORMULA FOR RATIONAL FUNCTIONS

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A DIFFERENTIATION AND DIVIDED DIFFERENCE FORMULA FOR RATIONAL FUNCTIONS Gevorg Mkrtchyan

In this paper a new differentiation and divided difference formula for rational functions is proved. The main result is a connection between divided differences of two rational functions with the same numerator, where the knots of one divided difference coincide with the zeros of the denominator of another rational function.

DOI: 10.46991/PSYU:A/2016.50.1.007 Physical and Mathematical Sciences, 50(1 (239) 7-11

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Keywords

rational function, divided difference

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