Efficient Method of Firing Angle Calculation for Multiple Launch Rocket System Based on Polynomial Response Surface and Kriging Metamodels

Table 3

Effect of the order of PRS on prediction accuracy of firing angle.

Order	Firing angle			Range
	MAE (mil)	MRE (%)	RMSE (mil)	MAE (m)	MRE (%)	RMSE (m)
1	58.774	5.562	13.584	18751.03	12.476	7165.87
2	27.953	3.535	8.638	12062.80	9.439	4817.94
3	11.159	1.383	2.721	4410.95	3.394	1463.24
4	7.055	0.701	1.424	2893.34	1.362	752.29
5	4.789	0.463	0.673	1436.73	0.695	336.77
6	2.976	0.288	0.372	898.42	0.512	180.78
7	2.122	0.204	0.215	589.93	0.232	102.04
8	1.509	0.146	0.137	422.01	0.244	64.78
9	1.047	0.101	0.103	291.49	0.185	51.08
10	2.052	0.248	0.166	1308.71	0.501	94.99