Table 5: Numerical results for Problem 3.

NodeExact valueApproximate valueAbsolute errorAbsolute residual

−0.0173533693−0.0173533694
0.2 −0.0337042362−0.0337042362
0.3 −0.0480400646−0.0480400647
0.4 −0.0593281517−0.0593281517
0.5 −0.0665052913−0.0665052913
0.6 −0.0684671340−0.0684671341
0.7 −0.0640571337−0.0640571337
0.8 −0.0520549727−0.0520549728
0.9 −0.0311643486−0.0311643486