latex | 易学教程

How do I encircle different data sets in scatter plot? [closed]

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问题 Closed . This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 2 years ago . How do I encircle different data sets in scatter plot? What I'm looking for is something like this: Also, how do I thereafter fill in the circle with a (shaded) colour? 回答1: You may get the path that incoporates all points via a convex hull scipy.spatial.ConvexHull . import matplotlib.pyplot as plt

Creating LaTeX math macros within Sphinx

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问题 I'm writing some mathematical code in Python and using Sphinx to produce the documentation. I know that Sphinx can handle LaTeX code in Python docstrings; see http://sphinx.pocoo.org/latest/ext/math.html#module-sphinx.ext.mathbase. How can I create LaTeX macros, such as \newcommand{\cG}{\mathcal{G}} , to use in the Python docstrings? 回答1: If you are using MathJax, here's a possible solution. I'm still looking for a nicer solution, but it might help if you need a quick hack. Create a file

R markdown: How to create a table with images and text which should be knitted as PDF?

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问题 I would like to include a table with 2 columns including images and text (image descriptions) in PDF report compiled with R markdown. In doing so, I have the following requirements for my table: width: fixed column or table width alignment: content alignment in columns top center alignment of an image in column 1 top left alignment of text in column 2 text content: is at best easy and good to read also in code text formatting: text formatting required, at best using markdown syntax, i.e, bold

LaTeX figure label from R plot using KnitR?

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问题 I can't get R/KnitR to create the LaTeX \label{} statement for a figure. The manual seems to indicate that a \label{} statement will be created by concatenating the string in fig.lp ("fig:" by default) with the label for the R-code chunk. I haven't been able to get this to work, however. No \label{} statement is created for the first figure created by knitting the MWE below. The second figure has it's label added with a workaround that I just discovered, putting the R chunk in a figure

How to avoid using round() in every \Sexpr{}?

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问题 Is there a way to avoid the function round() when using Sweave/knitr? It's really annoying to write round(,2) in every \Sexpr{} . I would like to have two decimal places through the whole document. Thanks for your help Macs 回答1: If you have read the motivation of the knitr package, you probably know I'm the person who hates round() inside \Sexpr{} most. I suggested this to R core long time ago for Sweave but it was ignored, so I started my own package. Although the answer by Josh O'Brien is

excel2latex

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应用工具：Excel2LaTeX 比如将下面的表格转为latex代码：选择加载项，点击上面的 convert table to latex 出现下面：红色的地方建议勾掉，不然太难看了！然后复制张贴，完事。来源： CSDN 作者：淼ze 链接： https://blog.csdn.net/weixin_42141390/article/details/103639095

Caption above figure using knitr (LaTeX/PDF)

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问题 I would like to place the caption above the figure using knitr in texmaker. I know that this question has already been asked, and I understand that the solution suggested so far is to use: \begin{figure} \caption{This is a caption above the figure} <<a-plot, echo=FALSE>>= plot(1) @ \end{figure} But in this way I cannot show the code (since echo=FALSE ). And if I choose instead echo=TRUE , what I get is the caption, then the codes, and then the graph, which is also not what I want. What I

How to write LaTeX in IPython Notebook?

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问题 How can I display LaTeX code in a IPython Notebook? 回答1: This came up in a search I was just doing, found a better solution with some more searching, IPython notebooks now have a %%latex magic that makes the whole cell Latex without the $$ wrapper for each line. Refer notebook tour for Rich Display System 回答2: IPython notebook uses MathJax to render LaTeX inside html/markdown. Just put your LaTeX math inside $$ . $$c = \sqrt{a^2 + b^2}$$ Or you can display LaTeX / Math output from Python, as

LaTeX之参考文献的写法

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在编写latex文件时，参考文献是个比较头疼的问题，以前自己写的时候总是用 \begin{thebibliography} \bibitem author,article, year, vol, \end{thebibliography} 我要说这个方法太业余，现在要带你鸟枪换炮！这里要用的就是BibTeX，它可以把你编写好的参考文献文件自动插入tex文件中，形成专业的参考文献格式！那就开始吧，首先需要了解一下几个基本概念，也就是几种文件类型： tex---就是tex文件，这个地球人都知道 bib---参考文献所在的文件 bst---参考文献样式文件这里插一句，有时候注意下英文缩写很重要，容易发现问题，bst=bibliography style 下来开始编辑这三个文件，一般情况下bst由系统提供，所以不需要编写，不过当你发表期刊的时候，期刊一般会提供样式文件给你，毕竟各个期刊对参考文献的要求就不一样，国内还没有看到这样的期刊，和国际接轨还需时日。 \documentclass[a4paper, 11pt]{article} %===================Package Area==================% \usepackage[top=1.5cm, bottom=2cm, left=1cm, right=1cm]{geometry}

LaTex 在线编辑编译，生成PDF

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LaTex很好用， Texmaker 和 TexStudio 都是很好的本地编辑编译器，但是有的时候出了问题需要重装，甚至重装都弄不好（因为我太菜了）。师兄推荐了一个在线编辑编译LaTex的网址： https://www.overleaf.com/ ，可以用Google账号登录，网页界面如下所示。每次修改了什么就点图中红框中的 “Recompile” 就可以了，然后写完了点红框中的下载按钮就直接下载 PDF 文件了，非常方便。用来编写英文简历很方便，因为论文还需要图片什么的本地数据，简历的话只需要文字。另外简历模板我用的是Github上的模板： https://github.com/sb2nov/resume ，简历样例如下，想改也很好改：来源： CSDN 作者： Bob__yuan 链接： https://blog.csdn.net/Bob__yuan/article/details/103722549