摘要
Let C(R_+~2) be a class of continuous functions f on R+2. A bivariate extension Ln(f,x,y) of Bleimann-Butzer-Hahn operator is defined and its standard convergence properties are given. Moreover, a local analogue of Voronovskaja theorem is also given for a subclass of C(R+2 ).
Let C(R_+~2) be a class of continuous functions f on R+2. A bivariate extension Ln(f,x,y) of Bleimann-Butzer-Hahn operator is defined and its standard convergence properties are given. Moreover, a local analogue of Voronovskaja theorem is also given for a subclass of C(R+2 ).