How to identify parameters of a nonlinear model

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Tonghui Zhang 2017-6-9

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https://ww2.mathworks.cn/matlabcentral/answers/344022-how-to-identify-parameters-of-a-nonlinear-model

关闭： MATLAB Answer Bot 2021-8-20

Hellow fellows, I am using the identification toolbox to do a system identification now. I thought the nonlinear ARX model would be suiltible for my model but one problem is that, how to transfer the arx model into a explicit math expression? And how does the regressor correspond to the states of my system？ Thanks in advance!