Research Article
Classification and Application of Roof Stability of Bolt Supporting Coal Roadway Based on BP Neural Network
Table 6
The output of network and its equal line.
| | Neural network output | Type of roof stability | Contour |
| | 1.00 0.00 0.00 0.00 | I (stable type) | 10∼8 | | 0.00 1.00 0.00 0.00 | II (medium stable type) | 8∼6 | | 0.00 0.00 1.00 0.00 | III (falling type) | 6∼4 | | 0.00 0.00 0.00 1.00 | IV (easy to fall type) | 4∼2 |
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