code: def logsumexp(*args, **kwargs):
      """Computes the log of the sum of exponentials of input elements."""
      return backend()["logsumexp"](*args, **kwargs)
  
imports: import contextlib
  import enum
  import gin
  from trax.fastmath.jax import JAX_BACKEND
  from trax.fastmath.numpy import NUMPY_BACKEND
  from trax.fastmath.tf import TF_BACKEND
label_desc: Use image node_id 1 for calling a global function with example usage: logsumexp() and returns: backend