code: def near_equal(x, y, e=1.0e-14):
      return abs(x - y) < e
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  from math import sqrt
  import matplotlib.pyplot
  import numpy
  from numpy import dot
  import numpy.random
  from scipy.linalg import inv
  from filterpy.gh import GHFilter
  from filterpy.leastsq import LeastSquaresFilter
label_desc: Use image node_id 1 for calling a global function with example usage: near_equal(x, y, e) and returns: unknown