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can you help me

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Arman
Arman 2024-5-13
关闭： John D'Errico 2024-5-13
Please help me to solve y''''+y'''-y''-y'=2x+2sinx and then to compare in Simulink environment
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Sam Chak
Sam Chak 2024-5-13
编辑：Sam Chak 2024-5-13
@Arman, Please follow the example in the 'dsolve' or 'ode45' documentation page to create the code for the 4th-order system. Afterwards, you can copy and paste the code here by clicking on the indentation icon . We will review it for any errors.
https://www.mathworks.com/help/symbolic/dsolve.html?s_tid=doc_ta#bve5nw0-1
%% Paste your code here
function dydt = fourthOrderSys(t, y)
dydt(1) = ...;
dydt(2) = ...;
dydt(3) = ...;
dydt(4) = ...;
end
Arman
Arman 2024-5-13
In my course work answer isy= c1+c2e^-x+c3x^e-x+c4^ex+2x-x^2-0.5(sin x +cos x)

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