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Differential equations using ODE45

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Sanya Chetwani
Sanya Chetwani 15 Oct 2020
please help me in solving this question..
Q. solve:
dy1/dt = y2
dy2/dt = 1000*y2*(1-y1^2)-y1
given initial conditions : y1(0) = 0 and y2(0) = 1.

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madhan ravi
madhan ravi 15 Oct 2020
doc ode45 % have a read at the document

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Md Muzakkir Quamar
Md Muzakkir Quamar 15 Oct 2020
tspan = [0 20];
Y_int=[0 1];
[t,x] = ode45(@odefcn,tspan,Y_int,[],a, b, c, u);
function dydt = odefcn(t,y)
dydt = zeros(2,1);
dydt(1) = y(2);
dydt(2) = 1000*y(2)*(1-y(1)^2)-y(1);

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Steven Lord
Steven Lord 15 Oct 2020
Please don't post the full answers to questions that sound like homework assignments, particularly if the poster has not shown what they've tried first.
Md Muzakkir Quamar
Md Muzakkir Quamar 15 Oct 2020
Noted.. Thanks

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