From: Shuhao Zhang <studyingfather@gmail.com>
Date: Sun, 22 Nov 2020 06:35:27 +0000 (+0800)
Subject: fix(vector): fix #2385
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=4c47e9e655948b562f2c961bb8625b4a0dc08b9a;p=oi-wiki%2Fmain.git

fix(vector): fix #2385
---

diff --git a/docs/math/vector.md b/docs/math/vector.md
index a0d59b7e..891424ad 100644
--- a/docs/math/vector.md
+++ b/docs/math/vector.md
@@ -152,7 +152,7 @@ $$
 
 #### 判定两向量共线
 
- $\boldsymbol a = \lambda \boldsymbol b$  $\Leftrightarrow$  $\boldsymbol a\cdot \boldsymbol b=|\boldsymbol a||\boldsymbol b|$ 
+ $\boldsymbol a = \lambda \boldsymbol b$  $\Leftrightarrow$  $|\boldsymbol a\cdot \boldsymbol b|=|\boldsymbol a||\boldsymbol b|$ 
 
 #### 数量积的坐标运算