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課程名稱︰分析導論優二 課程性質︰數學系選修 課程教師︰王振男 開課學院:理學院 開課系所︰數學系 考試日期(年月日)︰103/3/24 考試時限(分鐘):50 試題 : 1. (10%) Prove that the implicit function theorem implies the inverse function theroem. 2. (10%) (a) Let A be a n × n real symmetric matrix. Let T 2 n λ = max{x Ax : ||x|| = x‧x = 1, x ∈ IR }. 1 Show that λ is the largest eigenvalue of A. 1 (b) Assume that λ is simple with eigenvalue v. Prove that 1 T 2 λ = max{x Ax : ||x|| = 1, x‧v = 0} 2 is also an eigenvalue of A. -- ※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 59.115.106.82 ※ 文章網址: https://www.ptt.cc/bbs/NTU-Exam/M.1427820988.A.044.html ※ 編輯: acliv (59.115.106.82), 04/01/2015 00:58:52
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