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how to change simulink matlab (bellow) to code matlab? How do I enter the initial value?

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af af
af af 2021년 7월 13일
편집: af af 2021년 8월 23일
how to change simulink matlab (bellow) to code matlab?
How do I enter the initial value?
dShdt=lambdah+(k*Rh)-(1-u1)*betam*Sh-muh*Sh;
dEvdt=(1-u1)*landav*Sv-p*u3*Ev-(a2+muv)*Ev;

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J Chen
J Chen 2021년 7월 13일
https://www.mathworks.com/help/matlab/ref/ode45.html
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af af
af af 2021년 8월 23일
hi
I removed the following article its robust controller and used a fractional-order PID instead.
But there is a problem in the simulation that one of the control signals (u_3) becomes negative (figure below).
Can you help solve this problem?
The simulation program in MATLAB is come attach.
(article name: Control of malaria outbreak using a nonlinear robust strategy with adaptive gains)
The simulation uses the FOMCON Toolbox for MATLAB.

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