更新逆矩阵

2026-02-06 12:05:17 +08:00 · 2021-06-14 23:10:01 +08:00
parent 54ede6dfa9
commit 0d29883f9c
2 changed files with 2 additions and 0 deletions
--- a/linear-algebra/knowledge/2-matrix/matrix.pdf
+++ b/linear-algebra/knowledge/2-matrix/matrix.pdf
--- a/linear-algebra/knowledge/2-matrix/matrix.tex
+++ b/linear-algebra/knowledge/2-matrix/matrix.tex
@@ -381,4 +381,6 @@ $$A^*=\left(

 \section{逆矩阵}

+逆矩阵类比倒数，若对于$n$阶矩阵$A$，有一个$n$阶矩阵$B$，使得$AB=BA=E$，则$A$可逆，$B$是$A$的逆矩阵也称为逆阵，且逆矩阵唯一，记为$B=A^{-1}$。
+
 \end{document}