Update

2016-07-28 04:48:35 +08:00
parent e0cc6ba517
commit 2a8686ac2e
1 changed files with 7 additions and 4 deletions
--- a/CustomView/Advance/[9]Matrix_Basic.md
+++ b/CustomView/Advance/[9]Matrix_Basic.md
@@ -151,20 +151,23 @@ $$
 \\begin{matrix} 
 X\\\\
 Y
+1
 \\end{1} 
 \\right ] 
 = 
 \\left [ 
 \\begin{matrix} 
-cos(a) & -sin(a) \\\\
-sin(a) & cos(a) 
+cos(a) & -sin(a) & 0 \\\\
+sin(a) & cos(a)  & 0 \\\\
+  0    &   0     & 1
 \\end{1} 
 \\right ] 
 . 
 \\left [ 
 \\begin{matrix} 
-x\\\\
-y
+x_0\\\\
+y_0\\\\
+1
 \\end{1} 
 \\right ]
 $$)