Skip to main content

Table 1 Error of approximation of the operators \(R_{n,m}\) to \(\mu (z,y)=y^{2}e^{-\frac{z}{3}}\) for \(n=m=20,50,150\)

From: Approximation by bivariate Chlodowsky type Szász–Durrmeyer operators and associated GBS operators on weighted spaces

(z,y)

\(|R_{20,20}(\mu ;z,y)-\mu (z,y)|\)

\(|R_{50,50}(\mu ;z,y)-\mu (z,y)|\)

\(|R_{150,150}(\mu ;z,y)-\mu (z,y)|\)

(0.3,1.5)

0.6435472188

0.3410782433

0.1480568422

(1.9,1.9)

0.4745681594

0.2558711297

0.1123356802

(0.8,1.1)

0.4485584185

0.2328299145

0.0996229187

(1.0,1.0)

0.3930734882

0.2028217122

0.0864267340

(1.7,1.2)

0.3646211418

0.1901662382

0.0816144751

(0.5,0.5)

0.2658423955

0.1317683536

0.0546119918

(0.7,0.2)

0.1252365581

0.0571437271

0.0222797449

(0.1,0.1)

0.0979546553

0.0409096770

0.0147769533