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2. Displacement Parameters Based on the Gaussian Approximation

• 2.1 Anisotropic displacement parameters
  • 2.1.1 Relationships between the anisotropic displacement parameters
  • 2.1.2 Construction of Cartesian mean-square displacement tensors
• 2.2 Equivalent isotropic displacement parameters
• 2.3 Graphical representations of the Gaussian mean-square displacement matrix
  • 2.3.1 Ellipsoids of constant probability
  • 2.3.2 Mean-square displacement surface