det(AB)=det(A)det(B
det(AB)=det(A)det(B
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)
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.
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
det(4A)=4det(A)
det(4A)=4det(A)
det(A)与R(A
det(A)与R(A
det(A+B)=detA+detB
det(A+B)=detA+detB
求矩阵A的行列式的命令,正确的选项是( ) A: det(A) B: DET(A) C: rank(A) D: inv(a)
求矩阵A的行列式的命令,正确的选项是( ) A: det(A) B: DET(A) C: rank(A) D: inv(a)
设3阶矩阵A的特征值为[tex=8.214x1.429]nonLJJ+kOp/ul+G2uRmpA5P9+nkhNDT8AUqBl41hzbA=[/tex]求det B及det( A -5E).
设3阶矩阵A的特征值为[tex=8.214x1.429]nonLJJ+kOp/ul+G2uRmpA5P9+nkhNDT8AUqBl41hzbA=[/tex]求det B及det( A -5E).
3、若实方阵 A 满足( )时,则存在唯一单位下三角阵 L 和上三角阵 R ,使 A = LR 。 A: det A ¹ 0 B: 某个det Ak ¹ 0 C: det Ak ¹ 0 (k = 1,Ln -1) D: det Ak ¹ 0 (k = 1,L, n)
3、若实方阵 A 满足( )时,则存在唯一单位下三角阵 L 和上三角阵 R ,使 A = LR 。 A: det A ¹ 0 B: 某个det Ak ¹ 0 C: det Ak ¹ 0 (k = 1,Ln -1) D: det Ak ¹ 0 (k = 1,L, n)