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afu2007

鐵桿木蟲 (職業(yè)作家)

[求助] aurora軟件報錯，latex程序沒問題，好像是字體的問題，請大俠指點

公式：
\begin{eqnarray*}
\lefteqn{w+x+y+z = }\\
   && a+b+c+d+e+\\
   && {}+f+g+h+i
\end{eqnarray*}

報錯的log如下
--- LaTeX:
LaTeX Font Info:    Try loading font information for U+msa on input line 8.
("C:\Program Files\MiKTeX 2.9\tex/latex\amsfonts\umsa.fd"
File: umsa.fd 2009/06/22 v3.00 AMS symbols A
)
LaTeX Font Info:    Try loading font information for U+msb on input line 8.
("C:\Program Files\MiKTeX 2.9\tex/latex\amsfonts\umsb.fd"
File: umsb.fd 2009/06/22 v3.00 AMS symbols B
)
! Missing \endgroup inserted.

                \endgroup
l.9 \begin{eqnarray*}
                     
I've inserted something that you may have forgotten.
(See the above.)
With luck, this will get me unwedged. But if you
really didn't forget anything, try typing `2' now; then
my insertion and my current dilemma will both disappear.

! Extra alignment tab has been changed to \cr.