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Results tagged with calculus
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user 16701
6
votes
Does the limit of $\frac{\partial f}{\partial u}$ at $u=0$ exist?
Given that $u \frac{\tau^2}{2} \ll 1$, one way of tackling the numerical oscillations, even before the actual term emerges, is a Taylor approximation in $u$ of the sine term (Thanks to Kirill for the …
- 201
4
votes
1
answer
181
views
Does the limit of $\frac{\partial f}{\partial u}$ at $u=0$ exist?
For an optimization routine I needed to compute the derivative of the right-hand side $\: f_u(x_k, u_k)$ of a discrete-time system $x_{k+1} = f(x_k, u_k)$. Since $\: f_u(x_k, u_k)$ includes terms that …
- 201