| T | Torque, klbf-ft |
| Q | Flow rate, gpm |
| R | Correlation coefficient |
| h | Hour |
| m | Number of neurons |
| n | Number of inputs |
| X | The input matrix |
| LW | Layer weights matrix |
| IW | Input weights matrix |
| b | Bias matrix |
| a | Coefficient |
| c | Constant |
| Φ | Activation function |
| T | Torque, klbf-ft |
| Q | Flow rate, gpm |
| R | Correlation coefficient |
| h | Hour |
| m | Number of neurons |
| n | Number of inputs |
| X | The input matrix |
| LW | Layer weights matrix |
| IW | Input weights matrix |
| b | Bias matrix |
| a | Coefficient |
| c | Constant |
| Φ | Activation function |