pastas.rfunc.Polder.gain
========================

.. py:method:: pastas.rfunc.Polder.gain(p: pastas.typing.ArrayLike) -> float

   
   Return the gain of the Polder response function.

   :param p: Response function parameters [A, a, b].
   :type p: array_like

   :returns: **gain** -- Gain of the response function (steady state solution of Mazure).
   :rtype: float















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