Table 5.

Comparison of experimental results.

Index	Ours	BP neural network
1	(17.5, −5.4,6.5)	(4.1, −3.1, −4.2)
2	(0.1,4.0,0.2)	(−24.2, 3.7, 0)
3	(−6.2,0.0,−2.3)	(7.8, −3.6, 0.5)
4	(−10.0,−3.5,0.2)	(10, −3.9, −5)
5	(5.3,0.4,1 .1)	(−18, 4.6, −2.6)