我是使用乳胶的新手。我想导入文件reference.bib我的文件document.tex。以上是我的代码 reference.bib @article{lin1973,
author = "Shen Lin and Brian W. Kernighan",
title = "An Effective Heuristic Algorithm for the Travelling
没有这样的文件或目录错误,当我尝试运行下面的代码 #!/usr/bin/perl -w
# mathgen.pl: main driver code
#
# Copyright (C) 2012 Nathaniel Eldredge
# This file is part of Mathgen.
#
# Mathgen is free software; you can redist
我想修改citation对象R如下 cit <- citation("ggplot2")
cit$textVersion
#[1] "H. Wickham. ggplot2: Elegant Graphics for Data Analysis. Springer-Verlag New York, 2009."
cit$textVersion <- "Hadley Wickham and