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1. Matrices of a linear application. Operations on matrices
We propose to introduce the notion of matrix from that of linear application, then to define operations on matrices from those on linear applications. The structure of some of these matrix sets will then be studied.
In the following, all vector spaces are considered on the same body and are of finite dimension.
1.1 Matrix of a linear application
In this section, we assume vector spaces E and F of dimensions p and n, related to two bases
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Matrices of a linear application. Operations on matrices
Changing bases
