code: def hess(self, x):
      return 2.0 * np.eye(x.size)
  
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 3 for calling the AsymmetricQuadratic obj's underlying member method code with example usage: obj.hess(x) and returns: unknown