Latex pgfplots 无法显示该行

Question

我正在尝试在 Latex 中绘制这样的图表：
结果看起来像这样没有一行：

这是我的 tex 文件

\documentclass{article}
\usepackage[utf8]{inputenc}
\usepackage{pgfplots}
\pgfplotsset{compat=1.5}

\begin{document}
\begin{center}
\begin{tikzpicture}
\begin{axis}[
    axis lines = left,
    ytick={0,0.25},
    xtick={0,2,4,6,8,10},
    height=5.5cm,
    width=13cm,
    xmax=10,
    ymax=0.25,
    ymin=0,
    xmin=0,
    xlabel = T,
    ylabel = k,
]

\addplot [
    domain=0:100, 
    samples=1000, 
    color=blue,
    ]
    {0.001^(x/x+1) * (1+x)};
\addlegendentry{\(T=p^{\frac{k}{k+1}(k+1)}\)}

\end{axis}
\end{tikzpicture}
\end{center}

\end{document}

我做错了什么吗？谢谢。

Answer 1

一道简单的数学题：(x/x+1) != (x/(x+1))

\documentclass{article}
\usepackage[utf8]{inputenc}
\usepackage{pgfplots}
\pgfplotsset{compat=1.5}

\begin{document}
\begin{center}
\begin{tikzpicture}
\begin{axis}[
    axis lines = left,
    height=5.5cm,
    width=13cm,
    xlabel = T,
    ylabel = k,
]

\addplot [
    domain=0:10, 
    samples=100, 
    color=blue,
    ]
    { (1+x)*0.001^(x/(x+1)) };
\addlegendentry{\(T=p^{\frac{k}{k+1}}(k+1)\)}

\end{axis}
\end{tikzpicture}
\end{center}

\end{document}

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