Figure 1From: Approximation by bivariate Bernstein–Kantorovich–Stancu operators that reproduce exponential functionsGraphs of \(\widetilde{K}_{m,n}^{\alpha ,\beta ,\mu ,\nu}(f;x,y)\) operators for \(\alpha _{1} = \alpha _{2} = \beta _{1} = \beta _{2} =1 \) and for the various values of μ and νBack to article page