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Table 1 Error table for fixed \(\mu =\nu \in \{1,2,3\}\) with different values of α and β

From: Approximation by bivariate Bernstein–Kantorovich–Stancu operators that reproduce exponential functions

μ = ν

\(\alpha _{1}=\alpha _{2}\)

\(\beta _{1}=\beta _{2}\)

\(\|\widetilde{K}_{70,70}^{\alpha ,\beta ,\mu ,\nu}(f)-f \|\)

\(\|\widetilde{K}_{80,80}^{\alpha ,\beta ,\mu ,\nu}(f)-f \|\)

\(\|\widetilde{K}_{90,90}^{\alpha ,\beta ,\mu ,\nu}(f)-f \|\)

1

1

1

0.00015218

0.00013448

0.00012046

2

1

1

0.00014441

0.00016100

0.00018188

3

1

1

0.00020645

0.00018297

0.00016428

1

10

10

0.00016428

0.00071263

0.00066243

1

100

100

0.00046861

0.00042362

0.00038641