code: def smallStepsPerLargeStep(self, smallStepsPerLargeStep):
          
          self._smallStepsPerLargeStep = smallStepsPerLargeStep
          self._smallStepFactor = np.power(self.largeStepFactor, 1.0 / smallStepsPerLargeStep)
docs: Sets the number of small steps that go in a large one.