Your bidding strategy is only as good as the targets behind it. Validate them with practical formulas and real campaign data.
For example, an impl for Vec where an exception is represented as the empty vector, and a normal result as a single-element vector: here the third law fails, because if the Vec has more than one ...
Moreover, the parametric models derived using the sure independence screening and sparsifying operator (SISSO) also yield considerable predictive accuracy for these mechanical indicators with R2 = ...