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

Table 7

A comparison of absolute errors between DTM, IHPM, Sa, and present method.

𝑥	CAS wavelet method [17]	DT method [18]	Improved homotopy perturbation [19]	Sequential approach [3]	Present method
0.1	1.34×10^−3	1.00×10^−2	0.23×10^−5	1.01×10^−7	1.25×10^−17
0.2	1.15×10^−3	2.78×10^−2	0.92×10^−5	4.82×10^−7	4.27×10^−17
0.3	5.67×10^−3	5.08×10^−2	0.20×10^−4	1.017×10^−6	1.46×10^−16
0.4	5.93×10^−2	7.08×10^−2	0.37×10^−4	1.61×10^−6	1.53×10^−16
0.5	1.32×10^−2	9.71×10^−2	0.57×10^−4	2.30×10^−6	1.44×10^−16
0.6	4.39×10^−2	1.09×10^−1	0.83×10^−4	3.09×10^−6	1.68×10^−16
0.7	1.41×10^−2	1.04×10^−1	0.11×10^−3	3.97×10^−6	1.74×10^−16
0.8	1.34×10^−2	6.94×10^−2	0.14×10^−3	4.90×10^−6	5.40×10^−17
0.9	1.32×10^−2	1.00×10^−2	0.18×10^−3	6.13×10^−6	1.72×10^−17