Optimal Midcourse Guidance Algorithm for Exoatmospheric Interception Using Analytical Gradients

Table 4

Comparisons of the computation time.

Computation time (ms)	Group 1			Group 2			Group 3
	Case 1	Case 2	Case 3	Case 1	Case 2	Case 3	Case 1	Case 2	Case 3
Zarchan’s method	4.46	7.86	7.03	8.14	6.87	4.18	10.04	10.50	9.45
-iteration	2.78	4.01	4.07	3.37	5.83	1.86	4.13	6.81	7.20
Active set	32.42	26.86	12.50	22.60	16.59	17.48	18.10	12.37	15.86
Proposed method	0.090	0.078	0.067	0.090	0.103	0.116	0.078	0.089	0.090