複選題
109中山_電機工數乙

 Let A . Which of the following statements are true?
(A) If A is singular, then O is an eigenvaluc of A.
(B) A and A^T share the same eigenvalues and eigenvectors.
(C) If A is diagonalizable, then A has n distinct eigenvalues.
(D) Suppose that A is nonsingular. The condition Ax = λλx implies
(E) Suppose that all the eigenvalues of A are real and positive. Then we have det( A ) ＞ 0.

50.以下是 4 位小學生到台北捷運進行校外教學後，將所見所聞上台分 享的內容，何者沒有錯誤? (A)我在搭板南線時，坐在列車上望著藍天白雲，心情十分輕鬆。 (B)我利用列車在松山機場站出發往大直站時，從第 1 節走到第 4 節車廂去跟班長會合。(C)我在等車時，看到月台上的電視顯示第 3 節車廂較為擁擠，於 是就提醒大家到顯示旅客較少的車廂對應位置候車。 (D)我搭板南線到忠孝新生站要轉乘中和新蘆線時發現很方便，下 車後走到對面月台等車就行了。

110台大電信丙組 (10%) Consider a matrix Which of the following is an eigenvalue of this matrix M? (A)1 (B)-3 (C)9 (D) -1+2j (E) -1+4j

(10%) Consider the matrix M in. It is known that M has four distinct eigernvalues, and let us denote the four cotresponding eigenvectors as Which of the following matrices also has as its eigenvectors? (A) (B) (C)(D) (E)

109台大電信乙組、資料科學_工數D(5%) Which of the following is an eigenvector of A =? (A) x=；(B) x= ；(C)x=；(D) x=； (E) None of the above.

複選題108台大電機資訊學院_工數C .(10%) For the matrix below, which of the following are correct?(A)-1 is its eigenvalue. (B) 1 is its eigenvalue. (C)-3 is its eigenvalue. (D)Zero vector belongs to its eigenvector. (E)[1 0 2]T is a basis of its eigenspace.

複選題108台大電機資訊學院_工數C (5%) Which of the following are correct? (A) An eigenvalue of a matrix has infinite number of eigenvectors. (B) If det(A -λln) = O, λ is the eigenvalue of n x n matrix A. (C) IfA is the cigenvalue of matrix A, the columns of (A - λIn) are independent. (D) Ifa is the eigenvalue of matrix A, there exist a non-zero vector V such that Av = av. (E) The number of the eigenvalue of n x n matrix A may larger than n.

複選題Which of the following are linear cambinations of and? (A)(B)(C)(D)

Suppoe that T: R2 → R2 is a linet tansformatian such that T and , = ?(A)(B)(C)(D)

複選題 Which of the following is true?(A) Every function from , T : , has a standard matrix A such thatT(x) = Ax for all x ∈ .(B) The matrix transformation induced by an m X n matrix A (i.e., ) is a lineartransformation.(C) The image of the zero vector under any linear transformation is the zero vector.(D) A function T : is uniquely determined by the images of the standard vectorsin its domain.(E) If f is a linear transformation and f(u) = f(v), then u = v.

複選題Which of the following is true?(A) A linear transformation with codomain is onto if and only if the rank of its standardmatrix is m.(B) A linear transformation is one-to-one if and only if its null space consists only of the zerovector.(C) A linear transformation is onto if and only if the columns of its standard matrix form agenerating set for its range.(D) If the composition UT of two linear transformations T : and U : isdefined, then m = p must be true and the composition UT is also a linear transformation.(E) For every invertible linear transformation T, the function is also a linear transfor-mation.