How do I use lsqnonlin?

For a system described by the model:

,

I need to determine and α using 'lsqnonlin'. I have the data: t=[0:10]' and y=[0.22 0.96 1.45 1.79 2.04 2.20 2.28 2.35 2.42 2.44 2.45]'. I really don't understand the documentation on lsqnonlin, could someone please help me?

Answer 1

[Anmol Dhiman]

Hi,

According to my understanding, the correct function is Iscurvefit. Follow the below links for the same.

https://www.mathworks.com/matlabcentral/answers/97439-how-do-i-fit-an-arbitrary-function-to-data-using-lsqnonlin-in-optimization-toolbox

https://www.mathworks.com/matlabcentral/answers/401952-how-do-i-fit-one-differential-equation-with-multiple-variables-using-lsqcurvefit-and-ode45

Hope it Helps