Method _staircase

lib/matplotlib/ticker.py:2180–2183

(steps)

    @staticmethod
    def _staircase(steps):
        # Make an extended staircase within which the needed step will be
        # found.  This is probably much larger than necessary.
        return np.concatenate([0.1 * steps[:-1], steps, [10 * steps[1]]])

    def set_params(self, **kwargs):
        """