code: def _test_func2d_nograd(x):
      f = (
          cos(14.5 * x[0] - 0.3)
          + (x[1] + 0.2) * x[1]
          + (x[0] + 0.2) * x[0]
          + 1.010876184442655
      )
      return f
  
imports: from __future__ import division, print_function, absolute_import
  import numpy
  import math
  from numpy import cos, sin
  import scipy.optimize
  from scipy._lib._util import check_random_state
label_desc: Use image node_id 2 for calling a global function with example usage: _test_func2d_nograd(x) and returns: f