Analysis of Two-Grid Characteristic Finite Element Methods for Convection-Diffusion Equations

Table 3

Numerical results of Algorithm 2 and CFEM.

Algorithm 2			CFEM
		Computing time (s)			Computing time (s)
	2.4247 e − 4	1.61		2.3566 e − 4	3.17
	6.2186 e − 5	4.83		6.0079 e − 5	15.08
	1.6094 e − 5	27.42		1.5195 e − 5	90.76
	4.1397 e − 6	122.54		3.8730 e − 6	584.91
Rate	2		Rate	2