would it be possible to receive some help on the derivation of the following:

With respect to the vector $\bar{x}(s)$:

What is the derivative: $\frac{\partial{f}}{\partial\bar{x}}$

where $f=(\frac{d\bar{x}}{ds})^T\bar{x}\bar{x}$

closed as off-topic by John B, José Carlos Santos, ArsenBerk, Leucippus, Shailesh Nov 9 at 6:13

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