Lie Group Method of the Diffusion Equations

Table 2

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

	ERK	EEI
𝑡=1	5.041×10^−5	5.044×10^−5
𝑡=5	8.765×10^−4	8.764×10^−4
𝑡=10	4.831×10^−3	4.831×10^−3
𝑡=15	1.265×10^−2	1.265×10^−2