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:bug: fix the formula
author
ouuan
<y___o___u@126.com>
Thu, 5 Sep 2019 03:54:06 +0000
(11:54 +0800)
committer
ouuan
<y___o___u@126.com>
Thu, 5 Sep 2019 03:54:06 +0000
(11:54 +0800)
docs/math/vector.md
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diff --git
a/docs/math/vector.md
b/docs/math/vector.md
index
84fc8c2
..
beab5fc
100644
(file)
--- a/
docs/math/vector.md
+++ b/
docs/math/vector.md
@@
-112,11
+112,12
@@
$$
由平面向量的线性运算,我们可以推导其坐标运算,主要方法是将坐标全部化为用基底表示,然后利用运算律进行合并,之后表示出运算结果的坐标形式。
-若两向量 $\mathbf a=(m,n)
,
\mathbf b=(p,q)$ ,则:
+若两向量 $\mathbf a=(m,n)
$, $
\mathbf b=(p,q)$ ,则:
$$
-\mathbf a+\mathbf b=(m+n,p+q)\\
-\mathbf a-\mathbf b=(m-n,p-q)\\
+\mathbf a+\mathbf b=(m+
+p,n+q)\\
+\mathbf a-\mathbf b=(m-p,n-q)\\
k\mathbf a=(km,kn)
$$