打印 python numpy 数组时，双嵌套括号意味着什么？
[英]What double nested brackets means in python numpy array when it is printed?
问题描述
I have screenshot of python code:
我有 python 代码的截图：
Is X row vector or one dimensional vector or just numpy array with no dimension? X 行向量或一维向量或只是 numpy 数组没有维度？
Is X2 column vector or 2 dimensional matrix? X2 是列向量还是二维矩阵？ Does the the two nested brackets in X2 output means it is 2 dimensional matrix and if so how do I change it to column vector with single bracket when it is printed like the output of X? X2 output 中的两个嵌套括号是否意味着它是二维矩阵，如果是这样，当它像 X 的 output 一样打印时如何将其更改为带有单括号的列向量？
1 个解决方案
解决方案1
-1 2020-06-11 08:20:42
The double square bracket denotes that it is a 2-dimensional array.双方括号表示它是一个二维数组。
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