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

Table 1

A comparison of absolute errors between Wc, WG, Cfd, and present method.

𝑥	Wavelet collocation [15]	Wavelet Galerkin [15]	Chebyshev finite difference [5]	Present method
0.125	9.3×10^−4	7.9×10^−7	2.1×10^−9	1.16×10^−15
0.250	1.6×10^−3	1.3×10^−6	2.0×10^−8	2.28×10^−15
0.375	2.0×10^−3	1.6×10^−6	1.8×10^−7	1.27×10^−15
0.500	1.9×10^−3	1.6×10^−6	1.9×10^−8	3.15×10^−16
0.625	1.6×10^−3	1.5×10^−6	1.9×10^−7	2.79×10^−17
0.750	1.1×10^−3	1.1×10^−6	4.9×10^−8	1.63×10^−16
0.875	5.5×10^−4	6.5×10^−7	4.2×10^−8	1.52×10^−15