code: def InCode(H, x):
      """Computes Binary Product of H and x. If product is null, x is in the code.
      Returns appartenance boolean.
      """
  
      return (BinaryProduct(H, x) == 0).all()
  
imports: import numpy
  from math import log, tanh
label_desc: Use image node_id 4 for calling a global function with example usage: InCode(H, x) and returns: unknown