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[logs] These changes are due to the imposition of Vxx symmetric

In previous commit (095cbe4f), there is added a numerical trick in order to impose symmetric in V_{xx}. With long number of action, numerical rounding produces non-symmetric matrix and the solver struggles to find a solution.

It's difficult to quantify how much this numerical trick is affecting the ground-truth values. Previous values cannot be considered ground-truth neither, they were reported with a code that was generated non-symmetric V_{xx} matrices.

For c++ release we can properly address the imposition of symmetric (reported in #159 (closed)). And after that, we will be able to get ground-truth values.

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