## van der Pol

### Reference
E. B. Canto, et al., "Restricted second order information for the solution of optimal control problems using control vector parameterization", *Journal of Process Control*, vol. 12, no. 2002, pp. 243-255, 2002, doi: 10.1016/S0959-1524(01)00008-7

### Formulation
![formulation](assets/formulation.svg)

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