Unformatted text preview: Notes on linear algebra (Monday 17th October, 2016, 23:10) page 81 Example 3.51. In the case when a = 2 and m = 2, Proposition 3.50 says that
A = A1,1Ei,1 + 141,251.? + A2,1Ez,1 + 142,252,2- It is easy to check this directly: This should make the truth of Proposition 3.50 obvious (even in the general case).
The proof below is just for the fans of formal reasoning. ...
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