推 phage17:知道出題教授是哪位嗎? 05/24 22:14
課程名稱︰線性代數
課程性質︰系定必修
課程教師︰馮世邁、馮蟻剛、黃升龍、劉志文
開課學院:電資學院
開課系所︰電機系
考試日期(年月日)︰2007.5.23
考試時限(分鐘):50
是否需發放獎勵金:是,謝謝
(如未明確表示,則不予發放)
試題 :
1. (a) Prove that an n*n matrix is invertible if and only if 0 is not an
eigenvalue.(15%)
(b) Prove that similar n*n matrices have the same characteristic
polynomial.(15%)
2. Determine if the matrix
[ -1 0 0 ]
A= | 0 1 2 |
[ 0 2 1 ]
is diagonalizable or not.(25%)
3. Consider the set
x1 3
W= {〔x2〕屬於R : x1-x2+x3=0 }
x3
3
(a) Show that W is a two-dimensional subspace of R .(15%)
(b) Find an orthonormal basis of W.(15%)
(c) Find the orthogonal projection matrix Pw for W.(15%)
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