- **Q1 矩阵运算** 读取matrixA.txt and matrixB.txt 进行矩阵乘法运算 由小到大排序后输出 numpy
matrixA.txt
8,4,2,3,5,4,4,2,6,6,7,1,3,3,5,6,8,3,9,4,9,9,2,5,3,2,6,6,5,2,6,7,7,5,9,3,5,8,8,9,5,7,7,8,1,6,3,8,4,3
matrixB.txt
7,3,2,9,9,2,3,3,1,3
1,8,5,2,8,7,9,6,2,3
3,4,7,8,8,4,2,8,8,7
4,7,9,7,4,4,2,7,1,1
6,4,4,7,3,7,6,9,3,6
7,7,7,5,1,6,1,5,7,1
4,4,9,6,7,2,1,8,8,7
3,8,7,8,2,3,6,8,9,9
8,9,6,9,3,2,7,6,3,8
5,6,5,3,4,4,4,4,2,1
3,5,2,3,7,6,2,8,8,3
5,1,2,5,9,8,1,7,8,1
3,4,9,5,6,7,5,7,5,5
3,8,2,5,8,6,9,3,3,8
9,3,8,4,2,8,4,9,5,1
6,7,1,6,1,8,7,3,3,6
4,7,3,3,9,1,6,7,8,3
6,7,8,7,8,1,1,4,6,1
6,4,9,7,5,7,5,2,4,9
8,4,2,8,3,2,6,6,9,2
1,4,3,7,1,7,9,9,6,8
7,4,3,9,8,7,4,3,3,8
8,9,2,5,6,4,2,8,2,9
1,5,9,9,6,8,7,5,9,9
2,8,2,8,5,3,6,8,6,5
6,5,2,1,6,4,4,4,6,9
8,7,3,3,1,2,7,5,1,6
8,4,4,8,4,5,8,9,6,3
3,3,9,8,3,6,6,2,4,5
4,5,2,4,8,8,7,4,2,7
9,3,2,3,6,9,9,9,8,6
3,6,6,3,8,2,2,1,2,2
5,8,4,3,1,1,4,4,2,1
8,4,5,4,7,1,8,6,2,3
8,9,5,1,9,7,8,1,9,2
2,4,3,2,7,6,7,9,7,2
2,2,9,1,8,6,9,7,3,9
2,5,3,8,2,7,1,1,4,9
6,5,6,6,3,1,4,9,3,2
3,4,6,8,1,3,5,6,8,8
3,5,9,1,3,6,6,9,4,7
9,6,9,4,9,5,3,9,8,4
5,8,9,3,4,9,2,9,2,1
9,6,7,5,2,1,7,9,7,8
6,8,5,9,1,6,5,1,2,4
3,2,7,9,8,9,6,9,5,7
2,6,3,1,5,9,4,5,1,3
4,7,7,9,8,4,1,7,1,7
7,5,6,4,5,8,1,1,7,9
6,6,2,9,3,7,3,8,3,4
代码：
import numpy as npmatrixA = np.loadtxt('data/matrixA.txt', dtype=np.int, delimiter=',')
matrixB = np.loadtxt('data/matrixB.txt', dtype=np.int, delimiter=',')
matrixC = matrixA.dot(matrixB)
np.savetxt('ans_one.txt', np.sort(matrixC), fmt='%d', delimiter=' ')