問題詳情

10. (10 points) Let A be an n x n matrix such that Ax • Ay = x • y for all vectors x and y in . Show that A is an orthogonal matrix(正交矩陣).

參考答案

答案:C
難度:非常簡單0.937383
統計:A(5),B(39),C(1003),D(23),E(0) #
個人:尚未作答書單:認知治療法

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