class_docstr: Normalizes an input by its first singular value.
  
  This module uses power iteration to calculate this value based on the
  input and an internal hidden state.
class_docstr_tok: ["Normalizes","an","input","by","its","first","singular","value",".","This","module","uses","power","iteration","to","calculate","this","value","based","on","the","input","and","an","internal","hidden","state","."]
code: def u0(self):
      return hk.get_state("u0")
  
imports: import re
  from typing import Optional
  from haiku._src import base
  from haiku._src import data_structures
  from haiku._src import initializers
  from haiku._src import module
  import jax
  import jax.lax
  import jax.numpy
label_desc: Use image node_id 3 for calling the SpectralNorm obj's underlying member method code with example usage: obj.u0() and returns: hk