code: def copula_bv_ev(u, transform, args=()):
      """generic bivariate extreme value copula"""
      u, v = u
      return np.exp(
          np.log(u * v) * (transform(np.log(u) / np.log(u * v), *args))
      )
  
file_path: statsmodels/statsmodels/distributions/copula/extreme_value.py
imports: import numpy
  from .copulas import Copula
label_desc: Use image node_id 1 for calling a global function with example usage: copula_bv_ev(u, transform, args) and returns: np