code: def norm_matrix(m):
      return m / np.linalg.norm(m, axis=1).reshape((-1, 1))
  
file_path: magnitude/pymagnitude/converter_shared.py
imports: import hashlib
  import numpy
  import os
  from itertools import islice, chain
label_desc: Use image node_id 4 for calling a global function with example usage: norm_matrix(m) and returns: unknown