code: def elbo(log_p, log_q):
      return jnp.mean(log_p - log_q)
  
file_path: probability/discussion/pathfinder/pathfinder.py
imports: from typing import Tuple, List, Sequence, Callable
  import jax
  import jax.numpy
  import numpy
label_desc: Use image node_id 4 for calling a global function with example usage: elbo(log_p, log_q) and returns: jnp