@article{202407.0302, doi = {10.20944/preprints202407.0302.v1}, url = {https://doi.org/10.20944/preprints202407.0302.v1}, year = 2024, month = {July}, publisher = {Preprints}, author = {Haitao Duan and Muquan Zou and Jiankun Yang and Vanha Tran}, title = {Extending the Fixed-Effects Model on Nonlinear Least Squares}, journal = {Preprints} }