docstr: Find indexes of the sorted sampling points
docstr_tok: ["Find","indexes","of","the","sorted","sampling","points"]
code: def sorted_samples(self):  # Validated
      """Find indexes of the sorted sampling points"""
      self.Ind_sorted = np.argsort(self.C, axis=0)
      self.Xs = self.C[self.Ind_sorted]
      return self.Ind_sorted, self.Xs
  
imports: from __future__ import division, print_function, absolute_import
  import numpy
  import time
  import logging
  import warnings
  from scipy import spatial
  from scipy.optimize import OptimizeResult, minimize
  from scipy.optimize._shgo_lib import sobol_seq
  from scipy.optimize._shgo_lib.triangulation import Complex
label_desc: Use image node_id 32 for calling the SHGO obj's underlying member method code with example usage: obj.sorted_samples() and returns: self,  self