How to plot system of fractional delay differential equations

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RAMESH P
RAMESH P 2019-5-5
评论： iffah 2024-1-12
Let us consdier the system of fractional order delay differential equation
D^[alpha} x(t)= a*x(t) ( 1- x(t)/k ) - (b* x(t)* y(t-tau) ) / ( 1+c* x(t) );
D^[alpha} y(t)= ( b* x(t)* y(t-tau) ) / ( 1+c* x(t) )-d y(t);
tau=0.5; a=1; k=2; b=0.5; c=1.5; [x(t), y(t)]=[2,1] for all t in [-0.5, 0].
How to plot the above system?

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回答（2 个）

wang zhiming
wang zhiming 2019-8-11
编辑：wang zhiming 2019-8-11
I set a=1, k=2, b=0.5, c=1.5, d=1.2, and alpha=0.95, then get the following plot. Is it right?
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wang zhiming
wang zhiming 2019-8-19
The alpha value is the order of your equations. About the matlab code you can read the paper: A PREDICTOR-CORRECTOR SCHEME FOR SOLVING NONLINEAR DELAY DIFFERENTIAL EQUATIONS OF FRACTIONAL ORDER. SACHIN BHALEKAR, VARSHA DAFTARDAR-GEJJI.
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RAMESH P
RAMESH P 2019-8-20
编辑：Rik 2021-11-29
Dear wang zhiming
I have read the article ''A PREDICTOR-CORRECTOR SCHEME FOR SOLVING NONLINEAR DELAY DIFFERENTIAL EQUATIONS OF FRACTIONAL ORDER''. I have some confusion on ploting the system of equation. Please send me the matlab code for the same. Otherwise give your mail id sir. I will explian my dobuts detailly via mail. My mail id is '' []@gmail.com''
Sumati Kumari
Sumati Kumari 2022-8-14
HIi, Ravi.
Hope you succeeded in getting MatLab code for fractional delay differential equations. Please let me know the code. I tooo strugling for Matlab code.

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