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

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

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

\(\|\widetilde{K}_{70,70}^{\alpha ,\beta ,1,1}(f)-f\|\)

\(\|\widetilde{K}_{80,80}^{\alpha ,\beta ,1,1}(f)-f\|\)

\(\|\widetilde{K}_{90,90}^{\alpha ,\beta ,1,1}(f)-f\|\)

1

0.0342

0.0300

0.0267

10

0.0642

0.0567

0.0507

100

0.0484

0.0434

0.0394

1000

0.0364

0.0322

0.0288

10000

0.0344

0.0302

0.0269