How to plot system of fractional delay differential equations

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RAMESH P
RAMESH P 2019년 5월 5일
편집: Rik 2021년 11월 29일 9:46
이 질문에 1명의 참여자가 플래그를 지정함
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?

답변(2개)

wang zhiming
wang zhiming 2019년 8월 11일
편집: wang zhiming 2019년 8월 11일
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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Tamil M
Tamil M 2021년 10월 22일
Prof wang zhiming, please help me in writing matlab coding for the above fractional differential equation. And tell me how will you got this graph

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wang zhiming
wang zhiming 2019년 8월 19일
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 2019년 8월 20일
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''

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