__init__(self, extrapolation_function, warning=False, **opts): 

• extrapolation_function: None | function | Callable | Interpolator

  the function to handle extrapolation off the interpolation grid

• warning: bool

  whether to emit a message warning about extrapolation occurring

• opts: Any

  the options to feed into the extrapolator call

derivative(self, n): 

find_extrapolated_points(self, gps, vals, extrap_value=nan): 

Currently super rough heuristics to determine at which points we need to extrapolate

• gps: Any

• vals: Any

• :returns: _

apply(self, gps, vals, extrap_value=nan): 

__call__(self, *args, **kwargs):