矩形网格上两类二元有理插值函数

Two Classes of Bivariate Rational Interpolation Function on Rectangular Grids

得到了矩形网格上两类二元有理插值函数存在的判别准则及有理括值函数的具体表示形式，并给出了数值算例．

This paper obtained the existence criterion of two classes of bivariate rational interpolation function on rectangular grids and their showing formulas. Numerical exam-ples were also given.