code: def v(x):
      x0, x1, x2, x3, x4 = x
      return (
          80.51249
          + 0.0071317 * x1 * x4
          + 0.0029955 * x0 * x1
          + 0.0021813 * x2 * x2
      )
  
file_path: mystic/examples2/g04.py
imports: from mystic.penalty import quadratic_inequality
  from mystic.constraints import as_constraint
label_desc: Use image node_id 3 for calling a global function with example usage: v(x) and returns: unknown