pastas.rfunc.FourParam.step
===========================

.. py:method:: pastas.rfunc.FourParam.step(p: pastas.typing.ArrayLike, dt: float = 1.0, cutoff: float | None = None, maxtmax: float | None = None, **kwargs) -> pastas.typing.ArrayLike

   
   Return the step function for FourParam response.
















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