parameters: (self, params, payoff_matrices)
return_statement: return np.NaN
docstring: Regret matching does not minimize any exploitability so return NaN.
  
      Args:
        params: tuple of params (dist,)
        payoff_matrices: dictionary with keys as tuples of agents (i, j) and
          values of (2 x A x A) np.arrays, payoffs for each joint action. keys
          are sorted and arrays should be indexed in the same order
      Returns:
        np.NaN
docstring_summary: Regret matching does not minimize any exploitability so return NaN.
docstring_tokens: Regret matching does not minimize any exploitability so return NaN .
function: def exploitability(self, params, payoff_matrices):
      """Regret matching does not minimize any exploitability so return NaN.
  
      Args:
        params: tuple of params (dist,)
        payoff_matrices: dictionary with keys as tuples of agents (i, j) and
          values of (2 x A x A) np.arrays, payoffs for each joint action. keys
          are sorted and arrays should be indexed in the same order
      Returns:
        np.NaN
      """
      del params
      del payoff_matrices
      return np.NaN
function_tokens: def exploitability ( self , params , payoff_matrices ) : del params del payoff_matrices return np . NaN