From 2a8686ac2ed4605d909941278b64172c755e52d5 Mon Sep 17 00:00:00 2001
From: sloop <liyulongss@qq.com>
Date: Thu, 28 Jul 2016 04:48:35 +0800
Subject: [PATCH] Update

---
 CustomView/Advance/[9]Matrix_Basic.md | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/CustomView/Advance/[9]Matrix_Basic.md b/CustomView/Advance/[9]Matrix_Basic.md
index 6184c14..2285f27 100644
--- a/CustomView/Advance/[9]Matrix_Basic.md
+++ b/CustomView/Advance/[9]Matrix_Basic.md
@@ -151,20 +151,23 @@ $$
 \\begin{matrix} 
 X\\\\
 Y
+1
 \\end{1} 
 \\right ] 
  = 
 \\left [ 
 \\begin{matrix} 
-cos(a) & -sin(a) \\\\
-sin(a) & cos(a) 
+cos(a) & -sin(a) & 0 \\\\
+sin(a) & cos(a)  & 0 \\\\
+  0    &   0     & 1
 \\end{1} 
 \\right ] 
  . 
 \\left [ 
 \\begin{matrix} 
-x\\\\
-y
+x_0\\\\
+y_0\\\\
+1
 \\end{1} 
 \\right ]
 $$)