code: def penalty4(x):  # == 0.0
      from math import sin
  
      return abs(
          1000 * (sin(x[2] - 0.25) + sin(x[2] - x[3] - 0.25))
          + 894.8
          - x[1]
      )
  
file_path: mystic/examples2/g05_alt.py
imports: from g05 import objective, bounds, xs, ys
  from mystic.constraints import as_constraint
  from mystic.penalty import quadratic_inequality, quadratic_equality
label_desc: Use image node_id 4 for calling a global function with example usage: penalty4(x) and returns: abs