vault backup: 2026-01-12 00:34:22

3 months ago · 8d66792f7e
parent ce9f75b744
commit 8d66792f7e
1 changed files with 1 additions and 1 deletions
--- a/素材/秩的不等式.md
+++ b/素材/秩的不等式.md
@ -62,4 +62,4 @@ B & B
 $$


-$$  \max\{\operatorname{rank} A, \operatorname{rank} B\}  ≤rank[A B]≤rank(A)+rank(B)$$
+$$  \max\{\operatorname{rank} A, \operatorname{rank} B\}  ≤rank[A  B]≤rank(A)+rank(B)$$