def strip(self):
        result = library.MagickStripImage(self.wand)
        if not result:
            self.raise_exception()
This should implement the derivative of the non-linear function
dataset/ETHPy150Open dahlia/wand/wand/image.py/Image.strip--crossover with--dataset/ETHPy150Open statsmodels/statsmodels/statsmodels/discrete/discrete_model.py/DiscreteModel._derivative_exog