Numpy

Posted by 记录 on August 16, 2022

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layout: post title: “numpy” subtitle: “ "numpy"” date: 2022-08-16 18:00:00 mathjax: true author: “zwt” header-img: “img/post-bg-2015.jpg” catalog: false tags: - 数据分析 —

array

array合并:

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A = np.array([1,1,1])
B = np.array([2,2,2])
np.vstack((A,B))  # 上下合并
np.hstack((A,B))  # 水平合并

空数组

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=======
---
layout:     post
title:      "numpy"
subtitle:   " \"numpy\""
date:       2022-08-16 18:00:00
mathjax: true
author:     "zwt"
header-img: "img/post-bg-2015.jpg"
catalog: false
tags:
    - 数据分析
---
* TOC
{:toc}
# array
array合并
```python
A = np.array([1,1,1])
B = np.array([2,2,2])
np.vstack((A,B))  # 上下合并
np.hstack((A,B))  # 水平合并

空数组

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>>>>>>> d5005ecd9eaf3ce32260dc1b7d831c7f2a1a85f3