Table 1: Comparison of the errors of and .

Node Exact solutionApproximate solution Relative error

1/100 −0.00980296−0.00980291
11/100−0.0970493 −0.0970705
21/100−0.16469 −0.164731
31/100−0.212724 −0.212782
41/100−0.241153 −0.241219
51/100−0.249975 −0.250037
61/100−0.239192 −0.239236
71/100−0.208803 −0.208825
81/100−0.158808 −0.158813
91/100−0.0892069 −0.0892053