Finished Homework2.

homework_02_numpy_matplotlib/1-3/homework3.py

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+'''
+Author: SJ2050
+Date: 2021-10-27 13:08:32
+LastEditTime: 2021-10-27 19:06:32
+Version: v0.0.1
+Description: Solution for homework1.3.
+Copyright © 2021 SJ2050
+'''
+import numpy as np
+
+if __name__ == '__main__':
+    first_row = np.vectorize(lambda x: (x+1)%2)(np.array([i for i in range(8)]))
+    second_row = np.vectorize(lambda x: x%2)(np.array([i for i in range(8)]))
+    mat = np.zeros((8, 8), dtype=np.int)
+    for i in range(0, 8):
+        if i % 2 == 0:
+            mat[i] = first_row
+        else:
+            mat[i] = second_row
+    # print(mat)
+    # beautify output
+    print('—————————————————————————————————')
+    for r in range(8):
+        for c in range(8):
+            print(f'| {mat[r][c]} ', end='')
+        print('|')
+        print('—————————————————————————————————')

homework_02_numpy_matplotlib/1-3/解题说明.md

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+# 1.3 创建8x8矩阵，并设置成国际象棋棋盘样式
+
+## (1). 解题思路
+
+​		国际象棋棋盘每一格由黑或白构成，同时，每个格子与其相邻格子的颜色不同，通过观察，偶数行(如果从0开始计数的话)的样式与第0行相同，奇数行的样式与第一行相同，通过循环可以很快的构建一个描述棋盘样式的矩阵出来。
+
+
+
+## (2). 运行结果
+
+![](images/result.png)
+