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矩阵计算
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发布于 2025-10-23 14:13:49
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计算矩阵每列元素之和，计算矩阵所有元素之和，代码如何编写
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计算矩阵每列元素之和，计算矩阵所有元素之和，代码如何编写
您好，可以使用sum函数，可参考如下示例
A = [1 2 3
4 5 6
7 8 9]
sum(A[:,2]) #求解第2列的和
返回结果为 15.
您好，可以使用sum函数，可参考如下示例
A = [1 2 3
4 5 6
7 8 9]
sum(A[:,2]) #求解第2列的和
返回结果为 15.
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