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\documentclass{standalone}
\usepackage{pgfplots}
\usepackage{txfonts}
\pgfplotsset{compat = newest}
\begin{document}
\begin{tikzpicture}[>=latex,thick]
\begin{axis}[
xmin = -1, xmax = 4,
ymin = -0.5, ymax = 2.50,
axis lines = center,
xlabel = $\sigma$,
ylabel = {$\mu$},
]
\addplot [
domain=-2:5,
samples=200,
color=orange,
]
{(1/(2*pi*0.2^2)^0.2)*exp(-(x-2)^2/(2*0.2^2))};
\addplot [
domain=-2:5,
samples=200,
color=blue,
]
{1/(2*pi*0.5^2)^0.5)*exp(-(x-0.9)^2/(2*0.5^2))};
\addplot [
domain=-2:5,
samples=200,
color=red,
]
{((1/(2*pi*0.5^2)^0.5)*exp(-(x-0.9)^2/(2*0.5^2))*(1/(2*pi*0.2^2)^0.2)*exp(-(x-2)^2/(2*0.2^2)))/0.1};
\end{axis}
\end{tikzpicture}
\end{document}
|
