→ t0444564 : 已收錄 04/02 23:19
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