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

Table 5

Effect of the order of PRS on prediction accuracy of maximum range angle.

Order	Maximum range angle			Maximum range
	MAE (mil)	MRE (%)	RMSE (mil)	MAE (m)	MRE (%)	RMSE (m)
1	11.441	1.124	4.231	3328.52	1.362	1041.31
2	8.509	0.873	3.077	2501.27	1.059	767.22
3	3.690	0.350	0.692	864.47	0.382	171.82
4	2.605	0.259	0.499	697.64	0.300	124.37
5	0.949	0.090	0.122	202.86	0.089	29.81
6	1.787	0.168	0.174	479.80	0.195	43.12