python 3.8 numpy

Python 3.8中的NumPy是一个扩展程序库，用于支持大量的维度数组与矩阵运算，并提供了许多数学函数库。安装NumPy有两种方式，一种是在命令行(cmd)中安装，另一种是在PyCharm中安装。在命令行中安装NumPy的步骤如下：首先，查找Python的安装路径，并确认版本为3.8。然后，登录https://pypi.org/project/numpy/#files，找到对应Python版本的NumPy库，下载对应的whl文件。将下载的whl文件放到Python安装路径下的Scripts文件夹中。最后，在命令行中输入"pip3.8 install \[whl文件路径\]"来安装NumPy。安装完成后，可以在命令行中输入"python"进入Python交互环境，然后输入"import numpy"来验证NumPy是否安装成功。如果没有报错，则说明安装成功。另外，第二种安装方式是在PyCharm中安装NumPy，但具体步骤未提及。\[1\]\[3\]
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