Symmetry: episode 101, part 6 (group theory principles)

Описание: 00:25 Transformation of point in 2-D
02:14 Matrix for linear transformation (2-D)
03:53 Multiplication of vector by matrix
08:21 Matrix (E) for identity operation (2-D)
11:48 Matrix (i) for inversion operation (2-D)
11:48 Matrix (σ) for mirror plane operation (2-D)

Introduction to group theory - matrices for symmetry operations, identity, inversion, and mirror planes.

See Part 7 here:    • Symmetry: episode 101, part 7 (group theor...  

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