code: def dequantization(x_q, s, z):
      # x_q - z might go outside the quantization range.
      x_q = x_q.astype(jnp.int32)
      x = s * (x_q - z)
      x = x.astype(jnp.float32)
  
      return x
  
imports: import typing
  from functools import partial
  import jax
  import jax.numpy
  import matplotlib.pyplot
  import numpy
  import optax
  from datasets import load_dataset
  from flax.experimental import nnx
label_desc: Use image node_id 14 for calling a global function with example usage: dequantization(x_q, s, z) and returns: x