code: def objective(x):
      from numpy import prod, sqrt
  
      n = len(x)
      return -sqrt(n) * n * prod(x)
  
file_path: mystic/examples2/g03.py
imports: from mystic.symbolic import generate_constraint, generate_solvers, simplify
  from mystic.symbolic import generate_penalty, generate_conditions
label_desc: Use image node_id 1 for calling a global function with example usage: objective(x) and returns: unknown