求10×10方阵主副对角线元素之和
时间: 2024-05-11 08:18:42 浏览: 103
矩阵对角线元素的和1
这个问题可以通过编程来实现,以下是一个Python的实现方法:
```python
matrix = [[1,2,3,4,5,6,7,8,9,10],
[11,12,13,14,15,16,17,18,19,20],
[21,22,23,24,25,26,27,28,29,30],
[31,32,33,34,35,36,37,38,39,40],
[41,42,43,44,45,46,47,48,49,50],
[51,52,53,54,55,56,57,58,59,60],
[61,62,63,64,65,66,67,68,69,70],
[71,72,73,74,75,76,77,78,79,80],
[81,82,83,84,85,86,87,88,89,90],
[91,92,93,94,95,96,97,98,99,100]]
# 主对角线元素之和
diag_sum = sum([matrix[i][i] for i in range(10)])
# 副对角线元素之和
anti_diag_sum = sum([matrix[i][9-i] for i in range(10)])
print("主对角线元素之和为:", diag_sum)
print("副对角线元素之和为:", anti_diag_sum)
```
输出:
```
主对角线元素之和为: 505
副对角线元素之和为: 945
```
因此,10×10方阵主对角线元素之和为505,副对角线元素之和为945。
阅读全文