From d579ae57a3ab7eca74469e5e253f80b78ab1a8ff Mon Sep 17 00:00:00 2001
From: MYP <yanpengma@163.com>
Date: Mon, 19 Oct 2020 18:44:51 +0800
Subject: [PATCH] =?UTF-8?q?Update=2012=20=E6=95=B0=E7=BB=84=E4=B8=8E?=
 =?UTF-8?q?=E7=A8=80=E7=96=8F=E7=9F=A9=E9=98=B5.md?=
MIME-Version: 1.0
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---
 .../12 数组与稀疏矩阵.md                      | 23 +++++++++----------
 1 file changed, 11 insertions(+), 12 deletions(-)

diff --git a/DataStructureAndAlgorithm/12 数组与稀疏矩阵.md b/DataStructureAndAlgorithm/12 数组与稀疏矩阵.md
index 43093c7..590e8ac 100644
--- a/DataStructureAndAlgorithm/12 数组与稀疏矩阵.md	
+++ b/DataStructureAndAlgorithm/12 数组与稀疏矩阵.md	
@@ -13,20 +13,20 @@
 ���磺
 - ������Ӧһά����
 
-```math
+$$
 A=(a_0,a_1,\cdots,a_{n-1})
-```
+$$
 
 - �����Ӧ��ά����
 
-```math
+$$
 A_{m \times n} =\begin{bmatrix}
 a_{00}&a_{01} &\cdots &a_{0n-1}\\
 a_{10}&a_{11} &\cdots &a_{1n-1}\\
 \cdots& \cdots &\cdots &\cdots\\
 a_{m-10}&a_{m-11}& \cdots &a_{m-1n-1}\\
 \end{bmatrix}
-```
+$$
 
 
 ��������ʾȺ��Ĺ��ԣ�������ͬһ���������ͣ�
@@ -36,9 +36,9 @@ a_{m-10}&a_{m-11}& \cdots &a_{m-1n-1}\\
 
 ### 1.2 ����Ĵ洢
 
-**��1��`$n$`ά����Ķ���**
+**��1��$n$ά����Ķ���**
 
-�±���`$n$`������ɵ������Ϊ`$n$`ά���顣
+�±���$n$������ɵ������Ϊ$n$ά���顣
 
 ���磺
 ```c
@@ -280,18 +280,18 @@ static void Main(string[] args)
 
 **��1��ϡ�����Ķ���**
 
-������`$A$`�з���Ԫ�صĸ���ԶԶС����Ԫ�صĸ��������`$A$`Ϊϡ�����
+������$A$�з���Ԫ�صĸ���ԶԶС����Ԫ�صĸ��������$A$Ϊϡ�����
 
 ����
 
-```math
+$$
 A = \begin {bmatrix}
 50 & 0 & 0 & 0\\
 10 & 0 & 20 & 0\\
 0 & 0 & 0 & 0\\
 -30 & 0 & -60 & 5
 \end{bmatrix}
-```
+$$
 
 ���ö�ά����洢����̫�˷Ѵ洢�ռ䡣
 
@@ -376,7 +376,7 @@ namespace LinearStruct
 
 **��1���Խ��ķ�װ**
 
-![ͼ11 ϡ���������ͼ](https://img-blog.csdnimg.cn/20201019143656996.png)
+![ͼ11 ϡ���������](https://img-blog.csdnimg.cn/20201019143656996.png)
 
 ```c
 using System;
@@ -536,7 +536,6 @@ namespace LinearStruct
                     throw new IndexOutOfRangeException();
 
                 DNode<Triple> node = GetIndex(i, j);
-
                 if (node == null)
                 {
                     if (value != 0.0)
@@ -640,7 +639,6 @@ namespace LinearStruct
         {
             if (a == null || b == null)
                 throw new ArgumentNullException();
-
             return a.Multiply(b);
         }
 
@@ -679,6 +677,7 @@ namespace LinearStruct
 ```
 
 ������
+
 ```c
 static void Main(string[] args)
 {