Description: syms y(t)
r 2
V odeToVectorField(diff(y, 2)+ 0.5*diff(y, 1)- y^3+y^5 r*cos(t))
M matlabFunction(V, vars , { t , Y })
sol ode45(M,[0 20],[2 0])
x linspace(0,20,100)
y1 d (sol,x,1)
y2 d (sol,x,2)
plot(x,y1, r- ,x,y2, b: )
legend( y1 , y2 )
xlabel( 时间 )
ylabel( y )
grid on
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File list (Check if you may need any files):
matlab.mat
Untitled2.m
分叉源代码.txt
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