On Solution of Fredholm Integrodifferential Equations Using Composite Chebyshev Finite Difference Method

Table 9

A comparison of absolute errors between Lps and present method.

𝑥	Exact solution	Legendre polynomial solutions [6]	Present method
−1.0	−0.8414709848	4.39×10^−9	7.00×10^−20
−0.8	−0.7173560909	4.69×10^−9	1.50×10^−15
−0.6	−0.5646424734	1.19×10^−9	4.91×10^−15
−0.4	−0.3894183423	2.30×10^−9	8.38×10^−15
−0.2	−0.1986693308	9.50×10^−11	1.05×10^−14
0.0	0.0	1.99×10^−17	1.07×10^−14
0.2	0.1986693308	1.04×10^−10	8.79×10^−15
0.4	0.3894183423	1.06×10^−8	5.34×10^−15
0.6	0.5646424734	5.00×10^−8	1.48×10^−15
0.8	0.7173560909	1.35×10^−6	1.11×10^−15
1.0	0.8414709848	4.65×10^−7	7.00×10^−20