行列式 | A | = ∑ a1j A1j, 代数余子式Aij = (-1) i+j Mij 矩阵及运算 A+B = B + A (A+B) + C = A + (B+C) (AB) C = A (BC) λ (AB) = (λA)B A(B+C) = AB + AC (AT )T = A (A+B Read More
posted @ 2019-01-14 10:51 清风可托 Views(763) Comments(0) Diggs(0) Edit