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How do I fix all of the following?
Package epstopdf Warning: Graphics driver file `pdftex.def' not loaded.
) (/usr/share/texmf/tex/generic/dvips/epsf.tex
This is `epsf.tex' v2.7k <10 July 1997>
) (/usr/share/texmf/tex/latex/fancyhdr/fancyhdr.sty) (./soliton.aux
LaTeX Warning: Label `sub-fig-test' multiply defined.
) (/usr/share/texmf/tex/latex/amsfonts/umsa.fd)
(/usr/share/texmf/tex/latex/amsfonts/umsb.fd) (./soliton.toc) [1]
! Undefined control sequence.
l.41 ...a t) - u(x,t-\Delta t) -2i\Delta t\mathscr
{F}^{-1}{\mathpzc{v}^3\mat...
?
! Undefined control sequence.
l.41 ...ta t) -2i\Delta t\mathscr{F}^{-1}{\mathpzc
{v}^3\mathscr{F}u = 0 \end...
?
! Undefined control sequence.
l.41 ...ta t\mathscr{F}^{-1}{\mathpzc{v}^3\mathscr
{F}u = 0 \end{equation}
?
! You can't use `\eqno' in math mode.
\endequation ->\eqno
\hbox {\@eqnnum }$$\@ignoretrue
l.41 ...athpzc{v}^3\mathscr{F}u = 0 \end{equation}
?
! Missing } inserted.
<inserted text>
}
l.41 ...athpzc{v}^3\mathscr{F}u = 0 \end{equation}
?
! Undefined control sequence.
l.43 ...,t+\Delta t) - u(x,t-\Delta t) -2i\mathscr
{F}^{-1}{sin(\mathpzc{v}^3...
?
! Undefined control sequence.
l.43 ...\Delta t) -2i\mathscr{F}^{-1}{sin(\mathpzc
{v}^3\Delta t \mathscr{F}u...
?
! Undefined control sequence.
l.43 ...F}^{-1}{sin(\mathpzc{v}^3\Delta t \mathscr
{F}u = 0 \end{equation}
?
! You can't use `\eqno' in math mode.
\endequation ->\eqno
\hbox {\@eqnnum }$$\@ignoretrue
l.43 ...^3\Delta t \mathscr{F}u = 0 \end{equation}
?
! Missing } inserted.
<inserted text>
}
l.43 ...^3\Delta t \mathscr{F}u = 0 \end{equation}
?
[2] <contour.eps> [3] [4]
Overfull \hbox (13.13478pt too wide) in paragraph at lines 159--159
[]\OT1/cmtt/m/n/10.95 CALL LeapFrog ( u , k1 , k3 , grid , indat ) ! Advances
soliton solutions in time.[]
[5]
! Missing $ inserted.
<inserted text>
$
l.220 ...t-and.ac.uk/~history/Biographies/Russell_
Scott.html
?
! Missing $ inserted.
<inserted text>
$
l.221
?
[6] (./soliton.aux)
LaTeX Warning: There were multiply-defined labels.
)
Output written on soliton.dvi (6 pages, 11348 bytes).
Transcript written on soliton.log.