latex

I just finished to write the summary for calculus in Latex. The main problem now is that the files contains many things I don't really need now. The .tex files contains many definitions and theorems that i need to study by heart. The definitions have their own definition in the tex file, so any definition in the file will start with: \begin{definition} and ends with \end{definition} And the same for theorems. I need to write something to take out whatever is inside the \begin{}...\end{} . For example in a list called A: \begin{document} \begin{center} \begin{definition} Hello WOrld! \end

This existing question covers a way to alternate row colors in a latex table by post-processing the output from print.xtable() , but I think it's possible to achieve the same thing by using the add.to.row argument of print.xtable() as described on stats.stackexchange , avoiding the need for post-processing, which is nice with Sweave. That answer deals with coloring the background of one specific row, but I think it can be extended to coloring all the odd rows. The problem I'm running into has to do with the add.to.row argument, making the length of list pos equal the length of character vector

I’m writing a longer table with knitr using xtable and the tabular.environment='longtable' in the longtable package when print ing them in my .Rnw -file, problem is that I can’t control the longtable environment enough. I have some text I would like to have left-justified and hyphenated in a certain way inside the table (i.e. I have some cells with quite a lot of text) Any advice on how I could do this? What packages would you recommend? Anyone tried the tabu package? What I am mainly looking for is a way to justify my text in a nice way inside my table. Something along the lines of this, I

2019.11.29 1.在数学环境中使用 \left 和 \right 可以实现左右大花括号。 在 \left 和 \right 范围中的为花括号包含的范围，若使用左花括号则在 \left 后加上 \{ ，同理若使用右花括号则在 \right 后加上 \} ，若是想使用单括号，则把不需要的花括号写成 . 即可。 \left{ \begin{pmatrix} 1 \ 0 \end{pmatrix} \text{,} \begin{pmatrix} 0 \ 1 \end{pmatrix} \text{,} \begin{pmatrix} 1 \ 1 \end{pmatrix} \right} 写出花体X可以使用TexStudio中工具栏-> 数学 -> 数学字体 -> 德文尖叫体实现。 也可以直接使用 \mathfrak{X} 。 在字幕上面添加波浪线，使用 \tilde{m} 。原文链接 https://blog.csdn.net/liuweiyuxiang/article/details/78853064 4.表示行列式的符号。可以使用 \left 和 \right 的组合方式，中间放置数组。 \left|\begin{array}{cccc} 1 & 6 & 9 \ 7 & 90 & f(x)\ 9 & \psi(x) & g(x) \end{array}\right|