Calculation of expectation values (varipeps.expectation)

• Model of general expectation value calculation
  • Expectation_Model
• Calculation of one site expectation values
  • One_Site_Expectation_Value
  • calc_one_site_multi_gates()
  • calc_one_site_multi_gates_obj()
  • calc_one_site_single_gate()
  • calc_one_site_single_gate_obj()
• Calculation of two sites expectation values
  • Two_Sites_Expectation_Value
  • calc_two_sites_diagonal_top_left_bottom_right_multiple_gates()
  • calc_two_sites_diagonal_top_left_bottom_right_single_gate()
  • calc_two_sites_diagonal_top_right_bottom_left_multiple_gates()
  • calc_two_sites_diagonal_top_right_bottom_left_single_gate()
  • calc_two_sites_horizontal_multiple_gates()
  • calc_two_sites_horizontal_single_gate()
  • calc_two_sites_vertical_multiple_gates()
  • calc_two_sites_vertical_single_gate()
• Calculation of three sites expectation values
  • calc_three_sites_triangle_without_bottom_left_multiple_gates()
  • calc_three_sites_triangle_without_bottom_left_single_gate()
  • calc_three_sites_triangle_without_bottom_right_multiple_gates()
  • calc_three_sites_triangle_without_bottom_right_single_gate()
  • calc_three_sites_triangle_without_top_left_multiple_gates()
  • calc_three_sites_triangle_without_top_left_single_gate()
  • calc_three_sites_triangle_without_top_right_multiple_gates()
  • calc_three_sites_triangle_without_top_right_single_gate()
• Helper functions for spiral iPEPS ansatz
  • apply_unitary()