If a have a system of equation
$$ \frac{d u}{dt} = 1- u e^{\epsilon(q-1)}$$
$$ \frac{d q}{dt} = u e^{\epsilon(q-1)}-q$$
$u(0)=q(0)= 0$
How Can I apply the perturbation methot
$\epsilon$ small parameter
2026-03-25 04:39:25.1774413565
How can apply a perturbation method in a system of equations?
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