Estimation of Heat Flux in Two-Dimensional Nonhomogeneous Parabolic Equation Based on a Sufficient Descent Levenberg–Marquard Algorithm

Table 1

The comparison of running time and iterative number.

Algorithm	Error level
	Iterative number	Running time	Iterative number	Running time	Iterative number	Running time	Iterative number	Running time
	GA	59	101.8	100	273.3	100	213.4	100	212.9
CGA	46	63.3	52	73.3	55	87.9	67	151.9
ICGA [29]	24	52.7	37	54.2	41	64.12	58	86.4
LM [19]	31	58.9	52	119.0	54	87.9	75	181.1
SD-LM	16	25.6	18	39.5	15	20.3	28	46.2
SD-LMAP	6	5.81	8	8.30	8	7.76	10	10.05