update readme.

Author: Certseeds

README.md

@@ -2,21 +2,58 @@
  * @Organization: SUSTech
  * @Author: nanoseeds
  * @Date: 2020-05-07 10:59:03
- * @LastEditTime: 2020-05-07 11:13:28
+ * @LastEditTime: 2020-06-18 19:13:35
  * @License: CC-BY-NC-SA_V4_0 or any later version 
  -->
-CS205_C_CPP_2020S_project_matrix  
-details look at project-matrix.md  
+## CS205_C_CPP_2020S_project : matrix  
+
+details look at `./material/project-matrix.md`  
+
 1. All code(in this project,include *.c,*.cpp,*.h,*.hpp,CMakeLists.txt,etc) based on AGPL3.0(or any later version).
 
 2. All *.md files are based on CC-BY-NC-SA-4.0(or any later version).
 
-3. 确保文件夹所在目录下存在`catch.hpp` `catch_main.cpp`(只需要两行,`#define CATCH_CONFIG_MAIN  #include  "./catch.hpp"`).
-然后添加到`CS205_project_2020S/src`到Cmakelist.txt中即可.
+3. 如果将此project作为子module使用.
+  + 确保上层文件夹所在目录下存在
+    + `catch.hpp` : Catch2 的头文件
+    + `catch_main.cpp` : 
+      只需要两行
+      ``` cpp
+      #define CATCH_CONFIG_MAIN  
+      #include  "./catch.hpp"
+      ```
+  + 还不清楚可以参考 https://github.com/Certseeds/CS205_C_CPP 的结构
+  + 然后添加到`CS205_project_2020S/src`到`Cmakelist.txt`中即可.
+
+4. 如果单独使用此project
+  + 将上层文件夹,替换为本文件夹内,
+  + 简单的替换一下`CmakeList.txt`中的内容
+  + 替换下述文件中的`./../../*`为`./`
+    + `Matrix.hpp`
+    + `test_matrix_1.cpp`
+    + `test_matrix_2.cpp`
+    + etc 
 
-4. 
+5. 
   + 单元测试: test_matrix_1.cpp
   + 整体测试: test_matrix_2.cpp
+  + O0,O1,O2,O3下均无异常.
+
+6. group-member
+  + [huyuhao](https://github.com/huyuhao412)
+    + inverse
+    + reshape and slice.  
+  + [Wjia](https://github.com/Wjia0628)
+    + eigenvalue
+    + eigenvectors
+    + max,min,sum,avg and their row/col's version.
+  + me: other codes, code review, etc.
+
+![C++](https://img.shields.io/badge/C%2B%2B-17-orange)
+
+[![Catch2](https://img.shields.io/badge/Catch2-2.12.2-orange)][Catch2_2.12.2]
+
+[![OpenCV](https://img.shields.io/badge/OpenCV-3.4.10-orange)][OpenCV_3.4.10]
 
 [![AGPL3.0 Licence](https://img.shields.io/badge/License-AGPL_V3-orange)][agpl_3_0]
 
@@ -30,4 +67,8 @@ details look at project-matrix.md
 
 [cc_by_nc_sa_4_0_image]: https://licensebuttons.net/l/by-nc-sa/4.0/88x31.png
 
-[agpl_3_0]: https://opensource.org/licenses/AGPL-3.0
+[agpl_3_0]: https://opensource.org/licenses/AGPL-3.0
+
+[Catch2_2.12.2]: https://github.com/catchorg/Catch2/releases/tag/v2.12.2
+
+[OpenCV_3.4.10]: https://github.com/opencv/opencv/releases/tag/3.4.10