Lie Group Method of the Diffusion Equations

Table 4

The errors of the numerical solutions at different times obtained by ERK method and EEI method.

	ERK	EEI	Err
𝑡=5	0.50893803918253	0.50893804639290	10^−8
𝑡=10	0.49120333210012	0.49120334154949	10^−8
𝑡=15	0.46413587595252	0.46413588834075	10^−8
𝑡=20	0.42975156048078	0.42975157699815	10^−8