pastas.rfunc.Polder.polder_function
===================================

.. py:method:: pastas.rfunc.Polder.polder_function(x: float, y: float) -> float
   :staticmethod:


   
   Polder function used in the step response calculation.

   :param x: First parameter.
   :type x: float
   :param y: Second parameter.
   :type y: float

   :returns: Value of the Polder function at (x, y).
   :rtype: float















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