• 2021-04-14 问题

    det(4A)=4det(A)

    det(4A)=4det(A)

  • 2021-04-14 问题

    det(AB)=det(A)det(B

    det(AB)=det(A)det(B

  • 2022-07-02 问题

    设\(A\)为一个4阶方阵,\(\det A = \frac{1}{2},\)那么\(\det 2A = \) A: 1 B: 2 C: 8 D: 16

    设\(A\)为一个4阶方阵,\(\det A = \frac{1}{2},\)那么\(\det 2A = \) A: 1 B: 2 C: 8 D: 16

  • 2022-06-11 问题

    设A是4阶方阵,若detA= -1,则det(2A) =

    设A是4阶方阵,若detA= -1,则det(2A) =

  • 2022-06-12 问题

    设矩阵A为n阶方阵,将其第t列的k倍加到第s列,得到矩阵B,则下面哪个选项是正确的? A: det(B)=det(A) B: det(B)=-det(A) C: det(B)=det(-A) D: det(-B)=det(A)

    设矩阵A为n阶方阵,将其第t列的k倍加到第s列,得到矩阵B,则下面哪个选项是正确的? A: det(B)=det(A) B: det(B)=-det(A) C: det(B)=det(-A) D: det(-B)=det(A)

  • 2022-06-11 问题

    Let A be a n×n matrix, then ( ) A: AAT =ATA. B: det(AAT ) = det(AT A). C: if det(A) = 0, then A is invertible. D: if det(A) = 0, then AT is invertible.

    Let A be a n×n matrix, then ( ) A: AAT =ATA. B: det(AAT ) = det(AT A). C: if det(A) = 0, then A is invertible. D: if det(A) = 0, then AT is invertible.

  • 2021-04-14 问题

    det(a,b,c)=1, 则行列式det(2a+3b+5c, b, 5c) 等于

    det(a,b,c)=1, 则行列式det(2a+3b+5c, b, 5c) 等于

  • 2021-04-14 问题

    det(A)与R(A

    det(A)与R(A

  • 2022-06-12 问题

    det(A+B)=detA+detB

    det(A+B)=detA+detB

  • 2022-05-27 问题

    已知矩阵A=[1 2 3;4 5 6;7 8 9],计算矩阵A的行列式及逆矩阵,应该调用什么函数指令? A: det(A) inv(A) B: rank(A) inv(A) C: det(A) rank(A) D: eig(A) rank(A)

    已知矩阵A=[1 2 3;4 5 6;7 8 9],计算矩阵A的行列式及逆矩阵,应该调用什么函数指令? A: det(A) inv(A) B: rank(A) inv(A) C: det(A) rank(A) D: eig(A) rank(A)

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