Blast-Casting Mechanism and Parameter Optimization of a Benched Deep-Hole in an Opencast Coal Mine

Table 3

Component matrix and rotated component matrix.

	Initial factor				Rotation factor
	1	2	3	4	1	2	3	4
q	0.005	0.530	0.639	−0.213	−0.360	0.700	0.168	−0.294
b	−0.268	−0.458	0.720	0.129	−0.148	−0.101	0.861	−0.208
H	0.838	−0.356	−0.175	−0.041	0.922	0.090	−0.046	0.039
a	0.096	0.320	−0.244	0.854	−0.082	0.123	−0.049	0.936
W	0.136	−0.593	0.536	0.412	0.278	−0.092	0.852	0.128
V	0.920	0.278	0.151	−0.051	0.623	0.740	−0.108	0.055
L	0.664	0.455	0.157	0.130	0.306	0.731	−0.104	0.226
Vs	0.845	−0.407	−0.004	−0.096	0.924	0.145	0.095	−0.072
Vq	0.807	−0.512	−0.092	−0.050	0.956	0.007	0.096	−0.026
η	0.559	0.754	0.216	0.026	0.067	0.920	−0.233	0.154