TY - JOUR T1 - Bivariate Lagrange-Type Vector Valued Rational Interpolants AU - Gu , Chuan-Qing AU - Zhu , Gong-Qing JO - Journal of Computational Mathematics VL - 2 SP - 207 EP - 216 PY - 2002 DA - 2002/04 SN - 20 DO - http://doi.org/ UR - https://global-sci.org/intro/article_detail/jcm/8911.html KW - Bivariate vector value, Rational interpolation, Determinantal formula. AB -

An axiomatic definition to bivariate vector valued rational interpolation on distinct plane interpolation points is at first presented in this paper. A two-variable vector valued rational interpolation formula is explicitly constructed in the following form: the determinantal formulas for denominator scalar polynomials and for numerator vector polynomials, which possess Lagrange-type basic function expressions. A practical criterion of existence and uniqueness for interpolation is obtained. In contrast to the underlying method, the method of bivariate Thiele-type vector valued rational interpolation is reviewed.