I. 9. Composition of linear transformations

The composition of linear maps corresponds to the matrix multiplication. Linear map T1 followed by map T2 is represented by matrix T2 . T1. [br]The inverse of a linear map, when defined, is again a linear map described by inverse matrix.
Composition of two reflections in line.
[url=https://en.wikipedia.org/wiki/Linear_map#Examples_of_linear_transformation_matrices]Examples of linear transformations of plane[br][/url]

Information: I. 9. Composition of linear transformations