我无法将markdown笔记本转换为pdf，但能够转换代码单元。
我得到的错误是：
500 : Internal Server Error
The error was:
nbconvert failed: PDF creating failed
[I 10:32:16.940 NotebookApp] Running pdflatex 3 times: [u'pdflatex', u'notebook.tex']
[C 10:32:17.174 NotebookApp] pdflatex failed: [u'pdflatex', u'notebook.tex']
This is pdfTeX, Version 3.14159265-2.6-1.40.16 (TeX Live 2015) (preloaded format=pdflatex)
restricted \write18 enabled.
entering extended mode
(./notebook.tex
LaTeX2e <2015/01/01>
Babel <3.9l> and hyphenation patterns for 79 languages loaded.
tex/latex/amsfonts/umsb.fd)
LaTeX Warning: No \author given.
! Missing $ inserted.
<inserted text>
$
l.232 ...l the conduits, \$ \frac{\Delta P}{\mu L}
\$ are set to be 1.0
?
! Emergency stop.
<inserted text>
$
l.232 ...l the conduits, \$ \frac{\Delta P}{\mu L}
\$ are set to be 1.0
! ==> Fatal error occurred, no output PDF file produced!
Transcript written on notebook.log.
[I 10:32:17.175 NotebookApp] Running bibtex 1 time: [u'bibtex', u'notebook']
[W 10:32:17.262 NotebookApp] bibtex had problems, most likely because there were no citations
[I 10:32:17.262 NotebookApp] Running pdflatex 3 times: [u'pdflatex', u'notebook.tex']
[C 10:32:17.501 NotebookApp] pdflatex failed: [u'pdflatex', u'notebook.tex']
This is pdfTeX, Version 3.14159265-2.6-1.40.16 (TeX Live 2015) (preloaded format=pdflatex)
restricted \write18 enabled.
entering extended mode
LaTeX Warning: No \author given.
! Missing $ inserted.
<inserted text>
$
l.232 ...l the conduits, \$ \frac{\Delta P}{\mu L}
\$ are set to be 1.0
?
! Emergency stop.
<inserted text>
$
l.232 ...l the conduits, \$ \frac{\Delta P}{\mu L}
\$ are set to be 1.0
! ==> Fatal error occurred, no output PDF file produced!
Transcript written on notebook.log.
[W 10:32:17.503 NotebookApp] 500 GET /nbconvert/pdf/ComputerProject1.ipynb?download=true (::1): nbconvert failed: PDF creating failed
[E 10:32:17.505 NotebookApp] {
"Accept-Language": "en-US,en;q=0.8",
"Accept-Encoding": "gzip, deflate, sdch",
"Connection": "keep-alive",
"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",
"User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.86 Safari/537.36",
"Host": "localhost:8888",
"Referer": "http://localhost:8888/notebooks/ComputerProject1.ipynb",
"Upgrade-Insecure-Requests": "1"
}
[E 10:32:17.505 NotebookApp] 500 GET /nbconvert/pdf/ComputerProject1.ipynb?download=true (::1) 787.74ms referer=http://localhost:8888/notebooks/ComputerProject1.ipynb
我安装了pandoc，mactex。谁知道如何解决这个问题？
谢谢，