docstr: Returns learning rate multiplier w.r.t. certain schedule.
docstr_tok: ["Returns","learning","rate","multiplier","w.r.t",".","certain","schedule","."]
code: def multiplier(self, step: float):
      """Returns learning rate multiplier w.r.t. certain schedule."""
      raise NotImplementedError
  
file_path: objax/objax/optimizer/scheduler.py
imports: import abc
  from typing import List, Tuple, Union
  import jax.numpy
label_desc: Use image node_id 2 for calling the Scheduler obj's underlying member method code with example usage: obj.multiplier(step) without return types