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latexmk 指向一行我没看到错误的代码

tag-icon • tag-icon tikz-pgf errors warnings latexmk
latexmk 指向一行我没看到错误的代码

当我尝试编译我的代码时，latexmk 一直提示我未定义的控制序列。我检查了上面、下面以及它所说的导致问题的那行，但我没有发现任何问题。

警告信息：

./230OrbitalMechanicsNotes.tex:969: Undefined control sequence.
l.969         \draw
                   [-latex](-2,0) -- (2,-2) node[right, scale = .75] at (0,-.9)

代码片段：

\begin{figure}[H]
      \centering
      \begin{tikzpicture}[line cap = round, line join = round, >=triangle 45]
        \draw (-2,0) -- (2,0);
        \draw[dashed, -latex] (-1.5,-2) -- (2,-2) node[below, scale = .75]
        at (0,-2) {\(v_{\venus} = 35.022\)};
        \draw[-latex] (-2,0) -- (-1.5,-2) node[left, scale = .75] at (-1.7,-1)
        {\(\nu_2\);
        \draw[-latex](-2,0) -- (2,-2) node[right, scale = .75] at (0,-.9)
        {\(v_2 = 12.9005\)};
        \draw[red] (-1.3,0) arc (0:-40:.44) node[right, scale = .75]
        at (-1.2,-.2) {\(\sigma_2 = \frac{\pi}{9}\)};
        \draw[green] (1.5,-2) arc (180:140:.35) node[left, scale = .75]
        at (1.4,-1.8) {\(\sigma_2\)};
        \draw[blue] (-1.5,0) arc (0:-80:.48) node[right, scale = .75,
        fill = white] at (-1.8,-.6) {\(\varphi_2 = 68.2036\)};
      \end{tikzpicture}
    \end{figure}

我没有发现任何缺失;，，，，，，。(​([]{}

答案1

{\(\nu_2\);

没有结束}。

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