code: def fun(self, x):
      return -abs(
          sin(x[0])
          * cos(x[1])
          * exp(abs(1.0 - sqrt(x[0] ** 2 + x[1] ** 2) / pi))
      )
  
imports: import time
  import numpy
  from numpy import sin, cos, pi, exp, sqrt, abs
  from scipy.optimize import rosen
label_desc: Use image node_id 1 for calling the HolderTable obj's underlying member method code with example usage: obj.fun(x) and returns: unknown