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Results tagged with differential-equations
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user 83999
Ordinary or partial differential equations. Delay differential equations, neutral equations, integro-differential equations. Well-posedness, asymptotic behavior, and related questions.
2
votes
0
answers
60
views
How to constrain the integral of the control function to a fixed value?
In the following, I am referring to the general "Hamiltonian control theory" using the conventions defined here.
I am working on a very simple S($x_1$)I($x_2$)R($x_3$) model for infectious disease spr …
2
votes
0
answers
117
views
Solution of equation on vector field
I have a vector field function $\vec{J}: {\bf R}^3\to {\bf R}^3$ looking like:
$$ \vec{J}(\vec{r}) = (\vec{B} \times \vec{v}(\vec{r}))\rho(\vec{r}) $$
with a (very well behaved) real, positive, diff …