Research Article
Blast-Casting Mechanism and Parameter Optimization of a Benched Deep-Hole in an Opencast Coal Mine
Table 2
Correlation matrix of original variables.
| | q | b | H | a | W | V | L | Vs | Vq | η |
| Q | 1.00 | 0.11 | −0.20 | −0.04 | −0.09 | 0.24 | 0.14 | −0.13 | −0.28 | 0.44 | B | 0.11 | 1.00 | −0.18 | −0.21 | 0.52 | −0.26 | −0.24 | −0.06 | −0.03 | −0.31 | H | −0.20 | −0.18 | 1.00 | 0.02 | 0.18 | 0.61 | 0.31 | 0.82 | 0.87 | 0.14 | A | −0.04 | −0.21 | 0.02 | 1.00 | −0.04 | 0.11 | 0.15 | −0.07 | −0.09 | 0.22 | W | −0.09 | 0.52 | 0.18 | −0.04 | 1.00 | 0.01 | 0.00 | 0.29 | 0.31 | −0.23 | V | 0.24 | −0.26 | 0.61 | 0.11 | 0.01 | 1.00 | 0.68 | 0.72 | 0.56 | 0.78 | L | 0.14 | −0.24 | 0.31 | 0.15 | 0.00 | 0.68 | 1.00 | 0.26 | 0.29 | 0.74 | Vs | −0.13 | −0.06 | 0.82 | −0.07 | 0.29 | 0.72 | 0.26 | 1.00 | 0.87 | 0.13 | Vq | −0.28 | −0.03 | 0.87 | −0.09 | 0.31 | 0.56 | 0.29 | 0.87 | 1.00 | 0.03 | η | 0.44 | −0.31 | 0.14 | 0.22 | −0.23 | 0.78 | 0.74 | 0.13 | 0.03 | 1.00 |
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