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sloop
2016-07-31 06:03:12 +08:00
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commit 29c55dbafc
1 changed files with 4 additions and 2 deletions
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CustomView/Advance/[9]Matrix_Basic.md
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@@ -190,14 +190,16 @@ $$)
### 3.旋转 ### 3.旋转
逆时针旋转 a 度。 设一个点 A(x<sub>0</sub>, <sub>0</sub>) ,绕原点旋转 θ 度, 假定点A距离原点距离为 r。
![](http://latex.codecogs.com/png.latex? ![](http://latex.codecogs.com/png.latex?
$$ $$
\\left [ \\left [
\\begin{matrix} \\begin{matrix}
x\\\\ x\\\\
y y\\\\
1 1
\\end{1} \\end{1}
\\right ] \\right ]