From: Crack Growth Rate Model Derived from Domain Knowledge-Guided Symbolic Regression
Complexity | Loss | SCORE | Equation |
---|---|---|---|
1 | 11.95728320 | 0 | \(- 16.64\) |
3 | 6.85792887 | 0.506034 | \(x_{0} - 18.65\) |
4 | 5.12093165 | 1.015250 | \(- \ln (\left| {x_{2} } \right|) - 17.52\) |
5 | 1.62683224 | 5.138852 | \({{ - 0.79} \mathord{\left/ {\vphantom {{ - 0.79} {x_{2} }}} \right. \kern-0pt} {x_{2} }} - 20.06\) |
6 | 0.38504615 | 7.903765 | \(- 2.78{ \times }\ln (\left| {x_{2} } \right|) - 19.08\) |
8 | 0.26074687 | 1.355014 | \(- 3.66{ \times }\ln (\left| {x_{2} } \right|) - x_{2} - 20.76\) |
9 | 0.20797211 | 1.920022 | \(3.97{ \times }x_{0} + 2.99{ \times }x_{1} - 24.82\) |
10 | 0.18593337 | 1.063165 | \(- 3.33{ \times }\ln (\left| {x_{2} } \right|) - 0.62{ \times }x_{2} - 20.12\) |
11 | 0.16588967 | 1.196781 | \(\ln (\left| {x_{2} } \right|){ \times ((} - 0.31{ \times }\ln (\left| {x_{2} } \right|)) + 2.38) - 19.44\) |
12 | 0.14459242 | 1.579150 | \(1.65{ \times }\left( {x_{0} - \ln (\left| {x_{2} } \right|)} \right) + 1.12{ \times }x_{1} - 18.17\) |
14 | 0.11595452 | 1.431851 | \(2.59{ \times }x_{0} + 1.87{ \times }x_{1} - 1.03{ \times }\ln (\left| {x_{2} } \right|) - 22.85\) |
16 | 0.11349541 | 0.160530 | \(2.61{ \times }x_{0} + x_{1} + x_{1} - {{0.02} \mathord{\left/ {\vphantom {{0.02} {x_{1} }}} \right. \kern-0pt} {x_{1} }} - \ln (\left| {x_{2} } \right|) - 22.85\) |
17 | 0.11347807 | 0.002519 | \(2.62{ \times }x_{0} + x_{1} + x_{1} + 0.10{ \times }\ln (\left| {x_{1} } \right|) - \ln (\left| {x_{2} } \right|) - 22.83\) |
18 | 0.10986783 | 0.565648 | \(2.67{ \times }x_{0} + {{0.16} \mathord{\left/ {\vphantom {{0.16} {x_{0} }}} \right. \kern-0pt} {x_{0} }} + 1.88{ \times }x_{1} - \ln (\left| {x_{2} } \right|) + 0.44 - 22.69\) |
20 | 0.10930385 | 0.048846 | \(2.69{ \times }x_{0} + {{0.13} \mathord{\left/ {\vphantom {{0.13} {x_{0} }}} \right. \kern-0pt} {x_{0} }} + x_{1} + x_{1} - {{0.02} \mathord{\left/ {\vphantom {{0.02} {x_{1} }}} \right. \kern-0pt} {x_{1} }} - \ln (\left| {x_{2} } \right|) - 23.11\) |