class_docstr: Perform *pointwise* power transform: y = pow(x, exponent).
class_docstr_tok: ["Perform","*","pointwise","*","power","transform",":","y","=","pow","(","x",",","exponent",")","."]
code: def _inverse_compute(self, y):
      return np.power(y, 1 / self._exponent)
  
imports: import weakref
  from ..distributions.utils import _clip_prob, cached_property, sum_right_most
  from ...block import HybridBlock
  from ....None import np, npx
label_desc: Use image node_id 3 for calling the PowerTransform obj's underlying member method code with example usage: obj._inverse_compute(y) and returns: np