阿摩線上測驗
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Problem 3 (13%)
下面的問題共有(a)~(C)三個子題:每個子題都只要寫出提問的答案即可(不須寫出答案背後的推 導)。 Let a≠0 and 
, and let 
(A) denote the set of all eigenvalues of A .
(b) If Ω1 , that is 
, is an orthogonal matrix, then what mathematical relation between A and ATcan be derived? (5%)