00:00-02:20 The first component of deformation. (1/9)
02:20-04:40 Description of deformation depends on the choice of coordinate system. (2/9)
04:40-05:47 Deformation as a linear combination of two components. (3/9)
05:47-07:57 Algebraic description of the main axis. (4/9)
07:57-11:00 Solving the system of linear equations. Eigenvalues. (5/9)
11:00-14:10 Eigenvector 1. (6/9)
14:10-15:50 Eigenvector 2. (7/9)
15:50-18:10 Perpendicularity of eigenvectors. (8/9)
18:10-20:24 Conclusion. (9/9)
