Skip to main content

Theory and Modern Applications

Table 2 Absolute error for Example 2

From: Numerical solution of certain Cauchy singular integral equations using a collocation scheme

Node

Exact solution

Absolute error

Absolute error

Absolute error

n = 3 and m = 16

n = 5 and m = 16

n = 7 and m = 16

−1.0

−1.17520

1.91441 × 10−3

1.81254 × 10−5

8.91703 × 10−8

−0.9

−1.02652

7.55784 × 10−4

4.56592 × 10−6

1.21329 × 10−8

−0.8

−0.888106

3.26831 × 10−4

2.70516 × 10−6

1.01281 × 10−8

−0.7

−0.758584

3.04940 × 10−4

3.37668 × 10−6

7.32927 × 10−9

−0.6

−0.636654

4.56464 × 10−4

3.09250 × 10−6

2.74983 × 10−10

−0.5

−0.521095

6.23736 × 10−4

1.48584 × 10−6

1.38631 × 10−9

−0.4

−0.410752

7.12864 × 10−4

4.85742 × 10−7

4.69581 × 10−9

−0.3

−0.30452

6.82151 × 10−4

1.69887 × 10−6

1.28989 × 10−8

−0.2

−0.201336

5.31044 × 10−4

1.50059 × 10−6

1.59589 × 10−8

−0.1

−0.100167

2.89494 × 10−4

6.72324 × 10−8

1.08082 × 10−8

0.0

0.0

7.61784 × 10−6

2.34882 × 10−6

5.43884 × 10−10

0.1

0.100167

2.54435 × 10−4

4.35718 × 10−6

7.79669 × 10−9

0.2

0.201336

4.36513 × 10−4

5.15723 × 10−6

7.95496 × 10−9

0.3

0.30452

4.88499 × 10−4

4.24896 × 10−6

1.03862 × 10−9

0.4

0.410752

3.80444 × 10−4

1.85014 × 10−6

1.32656 × 10−8

0.5

0.521095

1.12900 × 10−4

1.02282 × 10−6

1.89303 × 10−8

0.6

0.636654

2.72436 × 10−4

2.77923 × 10−6

1.16573 × 10−8

0.7

0.758584

6.81671 × 10−4

1.89035 × 10−6

3.30044 × 10−9

0.8

0.888106

9.57141 × 10−4

1.95203 × 10−6

7.44314 × 10−9

0.9

1.02652

8.65196 × 10−4

6.03881 × 10−6

1.32789 × 10−8

1.0

1.17520

8.32275 × 10−5

2.08619 × 10−6

1.23370 × 10−8