R Markdown 与“newcommand"类似的功能；在乳胶?

问题描述

R Markdown 是否具有与 LaTex 的newcommand"类似的构造?我希望能够将 var 之类的东西定义为 mathrm{Var} 以避免在数学模式下额外输入.如果没有，人们如何减少markdown中排版方程式的重复?

Does R Markdown have a similar construct to LaTex's "newcommand"? I would like to be able to define things like var to be mathrm{Var} to avoid the extra typing in math mode. If not, what do people do to reduce repetition in typesetting equations in markdown?

推荐答案

像在 LaTeX 中一样使用 ewcommand{var}{mathrm{Var}}:

Use ewcommand{var}{mathrm{Var}} exactly like you would in LaTeX:

---
title: "Untitled"
author: "An Author"
date: "January 15, 2017"
output: html_document
---

```{r setup, include=FALSE}
knitr::opts_chunk$set(echo = TRUE)
```


ewcommand{var}{mathrm{Var}}

## R Markdown

This is an R Markdown document. $var+2$ Markdown is a simple formatting syntax for
authoring HTML, PDF, and MS Word documents. For more details on using R Markdown
see <http://rmarkdown.rstudio.com>.

请注意，为了在输出中正确处理它，您必须使用 $...$.

Note that in order for it to be processed correctly in the output, you'll have to use $...$.

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