<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[utopia_0122的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/utopia_0122</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; utopia_0122]]></copyright><item><title><![CDATA[安装IDEA和jdk]]></title><link>https://blog.youkuaiyun.com/utopia_0122/article/details/139529615</link><guid>https://blog.youkuaiyun.com/utopia_0122/article/details/139529615</guid><author>utopia_0122</author><pubDate>Fri, 07 Jun 2024 16:23:33 +0800</pubDate><description><![CDATA[官网下载后，安装在非c盘路径下；]]></description><category></category></item><item><title><![CDATA[jupyter查询默认保存目录及安装包]]></title><link>https://blog.youkuaiyun.com/utopia_0122/article/details/134672156</link><guid>https://blog.youkuaiyun.com/utopia_0122/article/details/134672156</guid><author>utopia_0122</author><pubDate>Wed, 29 Nov 2023 10:24:27 +0800</pubDate><description><![CDATA[jupyter初使用]]></description><category></category></item><item><title><![CDATA[Python - 图相关知识（一）Graph-tools]]></title><link>https://blog.youkuaiyun.com/utopia_0122/article/details/108680183</link><guid>https://blog.youkuaiyun.com/utopia_0122/article/details/108680183</guid><author>utopia_0122</author><pubDate>Tue, 28 Nov 2023 16:46:04 +0800</pubDate><description><![CDATA[Python - 图相关知识（一）Graph-tools
导入包
from graph_tool.all import *
1、创建一个图
有向图
g = Graph()

无向图`ug = Graph(directed = False)
2、创建节点
# 创建一个节点，返回顶点描述符（顶点类的一个实例），存放在v1中
v1 = g.add_vertex()

# 创建多个节点， 创建10个顶点，返回有10个顶点的描述符迭代器
vlist = g.add_vertex(10)

# 删除节点
g.remov]]></description><category></category></item><item><title><![CDATA[latex之表格与文本同宽]]></title><link>https://blog.youkuaiyun.com/utopia_0122/article/details/116103100</link><guid>https://blog.youkuaiyun.com/utopia_0122/article/details/116103100</guid><author>utopia_0122</author><pubDate>Sat, 24 Apr 2021 20:08:29 +0800</pubDate><description><![CDATA[使用 tabular*， \hzise 或 \textwidth， 然后加上一些奇怪的符号。
举例：
\begin{table}[!ht]
\caption{Parameter values}\label{tab:parametervalues}
\begin{tabular*}{\hsize}{@{}@{\extracolsep{\fill}}lllllllllllll@{}}
\toprule
$p_{t}$  &amp;21  &amp;22  &amp;20  &amp;15  &amp;10  &]]></description><category></category></item><item><title><![CDATA[Latex排版之公式换行，公式左对齐]]></title><link>https://blog.youkuaiyun.com/utopia_0122/article/details/116100510</link><guid>https://blog.youkuaiyun.com/utopia_0122/article/details/116100510</guid><author>utopia_0122</author><pubDate>Sat, 24 Apr 2021 19:00:54 +0800</pubDate><description><![CDATA[公式换行
\begin{equation}
\begin{aligned}
H(z_i, z_j)&amp;=D_{KL}(N_j\Vert N_i) \\
&amp; =\frac{1}{2}(log\frac{|\Sigma _j|}{\Sigma _i}-l+tr(\Sigma _i^{-1}\Sigma _j)+(\mu _i-\mu _j)^T\Sigma _i^{-1}(\mu _i-\mu _j))
\end{aligned}
\end{equation}

其中\begin{aligned}]]></description><category></category></item><item><title><![CDATA[for循环将Series作为新行插入DataFrame]]></title><link>https://blog.youkuaiyun.com/utopia_0122/article/details/108808674</link><guid>https://blog.youkuaiyun.com/utopia_0122/article/details/108808674</guid><author>utopia_0122</author><pubDate>Sat, 26 Sep 2020 10:30:05 +0800</pubDate><description><![CDATA[for循环将Series作为新行插入DataFrame
导入包
from pandas import DataFrame
import pandas as pd
import numpy as np

创建df
df = DataFrame(np.random.randn(4, 5), columns=['A', 'B', 'C', 'D', 'E'])
print(df)

输出：

创建Series
这里要指定与df中相同的索引名字
s1 = pd.Series([1,2,3,4,5])
s1.inde]]></description><category></category></item><item><title><![CDATA[Python数据读取——excel文件的读取]]></title><link>https://blog.youkuaiyun.com/utopia_0122/article/details/108729792</link><guid>https://blog.youkuaiyun.com/utopia_0122/article/details/108729792</guid><author>utopia_0122</author><pubDate>Tue, 22 Sep 2020 13:18:00 +0800</pubDate><description><![CDATA[Python数据读取——excel文件的读取
本文对excel的读取仅适用于后缀名字为xlsx的excel文件
1、包的导入
安装openpyxl包
可以使用pip安装，也可以在setting中安装
import openpyxl

2、获取工作簿对象
即获取对应的xlsx文件
# 获取工作簿对象
workbook = openpyxl.load_workbook("2015.xlsx")

3、获取工作簿中的工作表名字

# 获取工作簿中所有工作表名字
sheet_names = workbook.she]]></description><category></category></item><item><title><![CDATA[修改Jupyter默认工作目录后Juputer闪退问题的解决]]></title><link>https://blog.youkuaiyun.com/utopia_0122/article/details/108680674</link><guid>https://blog.youkuaiyun.com/utopia_0122/article/details/108680674</guid><author>utopia_0122</author><pubDate>Sat, 19 Sep 2020 14:33:11 +0800</pubDate><description><![CDATA[Jupyter闪退问题解决
打开anaconda下的 anaconda prompt
输入命令：jupyter notebook --generate-config
修复jupyter的 jupyter-notebook-script.py文件
然后就可以正常打开了

]]></description><category></category></item></channel></rss>