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Latex \ref{xxx} 给出（??）（使用 jupyterlab、miktex、pdflatex）

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Latex \ref{xxx} 给出（??）（使用 jupyterlab、miktex、pdflatex）

我尝试在 jupyterlab 中编译 pdf。当涉及到图形引用时，pdf 仅显示（??）。

\begin{figure}[h!]
   \includegraphics[width=\linewidth]{xxx.png}
   \caption{Caption of image xxx.png.}
   \label{fig1:xxx}
\end{figure}

(\ref{fig1:xxx})

答案1

config.py文件夹中有一个名为的配置文件jupyterlab_latex，可用于设置配置选项。该文件包含以下内容：

""" JupyterLab LaTex : live LaTeX editing for JupyterLab """

from traitlets import Unicode, CaselessStrEnum, Integer, Bool
from traitlets.config import Configurable

class LatexConfig(Configurable):
    """
    A Configurable that declares the configuration options
    for the LatexHandler.
    """
    latex_command = Unicode('xelatex', config=True,
        help='The LaTeX command to use when compiling ".tex" files.')
    bib_command = Unicode('bibtex', config=True,
        help='The BibTeX command to use when compiling ".tex" files.')
    synctex_command = Unicode('synctex', config=True,
        help='The synctex command to use when syncronizing between .tex and .pdf files.')
    shell_escape = CaselessStrEnum(['restricted', 'allow', 'disallow'],
        default_value='restricted', config=True,
        help='Whether to allow shell escapes '+\
        '(and by extension, arbitrary code execution). '+\
        'Can be "restricted", for restricted shell escapes, '+\
        '"allow", to allow all shell escapes, or "disallow", '+\
        'to disallow all shell escapes')
    run_times = Integer(default_value=1, config=True,
        help='How many times to compile the ".tex" files.')
    cleanup = Bool(default_value=True, config=True,
        help='Whether to clean up ".out/.aux" files or not.')

设置run_times = Integer(default_value=1为run_times = Integer(default_value=2运行 LaTeX 两次。保存文件并重新启动 Jupyter Lab 以使更改生效。然后参考资料将正确显示在 pdf 中。

请注意，您不应该.bib在同一文件夹中拥有任何文件，否则 JupyterLab LaTeX 将尝试运行 Bibtex 并失败，而不是运行 LaTeX 两次（当然，除非您想包含参考书目）。

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