cd
ps
ll
whoami
article
academic
G1T1
linear_algebra
0-mat
3-spec_mat
4-antisymmetric_mat
1-prop
antisymmetric_mat_prop.md
antisymmetric_mat_prop.md
对于$n$阶
反称矩阵
$A$,$B$:
$(A+B)^T=A^T+B^T=-(A+B)$
$(\lambda A)^T=\lambda A^T=-\lambda A$
$(AB)^T=B^TA^T=(-B)(-A)=BA$
$AB为反称矩阵\iff AB=-BA$
反称矩阵关于矩阵的线性运算封闭,对乘法运算不封闭