Coefficients | Linear model | Quadratic model | Exponential model | |||
LSRM | PSO | LSRM | PSO | LSRM | PSO | |
a | 0.8704 | 0.931 | 0.523 | 0.551 | 2524.8 | 2532.4 |
b | 2531 | 2652.3 | −26.8491 | −26.95 | 1.0003 | 1.0005 |
c | - | - | 2780.4 | 2794.6 | - | - |