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Theory and Modern Applications

Table 1 Numerical errors on the level sets with \(N=M\) in \((x,y)=(0.5.0.5)\) for Example 5.1

From: Solving two-dimensional fuzzy Fredholm integral equations via sinc collocation method

r

N = 4

N = 8

N = 16

\(\underline{E}^{r}\)

\(\overline{E}^{r}\)

\(\underline{E}^{r}\)

\(\overline{E}^{r}\)

\(\underline{E}^{r}\)

\(\overline{E}^{r}\)

0.00

0

5.2e-06

0

2.7e-09

0

6.7e-16

0.20

3.1e-07

5.0e-06

1.6e-10

2.6e-09

4.9e-17

6.7e-16

0.40

7.3e-07

4.6e-06

3.8e-10

2.4e-09

1.1e-16

7.2e-16

0.60

1.3e-06

4.2e-06

6.5e-10

2.2e-09

1.7e-16

5.6e-16

0.80

1.9e-06

3.5e-06

9.8e-10

1.8e-09

2.5e-16

5.6e-16

1.00

2.6e-06

2.6e-06

1.4e-09

1.4e-09

3.3e-16

3.3e-16