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

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

   
   Method to return the step function.

   :param p: array_like object with the values as floats representing the model
             parameters.
   :type p: array_like
   :param dt: timestep as a multiple of one day.
   :type dt: float
   :param cutoff: proportion after which the step function is cut off. default is 0.999.
   :type cutoff: float, optional
   :param maxtmax: Maximum timestep to compute the block response for.
   :type maxtmax: int, optional

   :returns: **s** -- Array with the step response.
   :rtype: array_like















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