I try to solve an ODE and plot the result as follows,
x,t,a=var('x,t,a')
a=0.29
x = function('x', t)
S=desolve(diff(x,t)-x*(1-x)+a*
(1+sin(2*pi*t)),x,contrib_ode=True,show_method=True)
S
I found the following
[[[x(t) == 0, (-0.29*sin(2*pi*t) - 0.29)*u == 0]], 'riccati']
So what is this "u" here and how can I plot this and how the solution wrote
by this way
it is not clear what does it mean
Doaa
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