pygambit.gambit.MixedStrategyProfile.strategy_value_deriv

MixedStrategyProfile.strategy_value_deriv(strategy: Strategy | str, other: Strategy | str) → float | Rational

Returns the derivative of the payoff to playing strategy, with respect to the probability that other is played.

Raises:

• MismatchError – If strategy or other is a Strategy from a different game.

• KeyError – If strategy or other is a string and no strategy in the game has that label.