Readers interested in numerical methods and systems theory will find a significant contribution to bivariate interpolation in this paper. Six sections and one appendix are dedicated to the subject. The first section introduces the subject, its history, and contributors to the field's development. A recursive algorithm for computing the nth order Newton interpolating polynomial for a two-variable function is proposed in the second section. The use of divided differences for the evaluation of the coefficients of the Newton form interpolation polynomial is detailed in the third section, where an efficient algorithm is developed.
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