A Numerical Approach for the Analytical Solution of Multidimensional Wave Problems

Table 3

Absolute error between the NIS results and the exact results of along -space and at various points of for Example 3.

		Approximate solution	Exact solution	Absolute error
0.25	1	0.0000179321	0.0000179321	00000
	1.25	0.0000244433	0.0000244433	00000
	1.50	0.0000324902	0.0000324902	00000
	1.75	0.0000425782	0.0000425783
	2	0.0000553407	0.0000553415
0.50	1	0.000286914	0.000286914	00000
	1.25	0.000391093	0.000391094
	1.50	0.000519843	0.000519844
	1.75	0.000681251	0.000681254
	2	0.000885451	0.00088564
0.75	1	0.0014525	0.0014525	00000
	1.25	0.00197991	0.00197991	00000
	1.50	0.00263171	0.00263171	00000
	1.75	0.00344883	0.00344885
	2	0.0044826	0.00448266
1	1	0.00459063	0.00459063	00000
	1.25	0.0062575	0.0062575	00000
	1.50	0.00831749	0.0083175
	1.75	0.0109	0.0109001
	2	0.0141672	0.0141674