41. 下列各圖中之尺度標註，何者較佳？ (A) (B) (C) (D)

41. 下列各圖中之尺度標註，何者較佳？
(A)
(B)
(C)
(D)

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統計： A(98), B(19), C(29), D(10), E(0) #3069647

詳解 (共 1 筆)

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B1 · 2025/11/16

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複選題1. Consider a 3x3 matrix A with non-zero elements. Assume ATAx=0 has non-trivial solutions with two of them being x=[1,1,0]T and [1,0,0]T. Which of the following statements are true for b,y ∈ R3? (A) Ay =b must have no solution for some b and exactly one solution for other b. (B) ATy=[0,0,5]T must have at least one exact solution. (C) The least-squares approximation error for the system ATy =[0,2,2]T is 4. (D) Rank of A =2. (E) A must have zero rows.

41. 下列各圖中之尺度標註，何者較佳？
(A)
(B)
(C)
(D)

詳解 (共 1 筆)

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