MathematicalEngineeringDeepLearning/tikz/figure8-7-GAN-Generator-Distributions-Signal.tex at master · yoninazarathy/MathematicalEngineeringDeepLearning · GitHub

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\documentclass[border=1cm]{standalone}
\usepackage{pgfplots}
\usetikzlibrary{arrows.meta}
\usetikzlibrary{shapes.geometric, shapes.misc}
%\pgfplotsset{compat=1.18}
\pgfmathdeclarefunction{gauss}{3}{%
  \pgfmathparse{1/(#3*sqrt(2*pi))*exp(-((#1-#2)^2)/(2*#3^2))}%
}

\begin{document}

\begin{tikzpicture}

\begin{axis}[
  axis line style = ultra thick,
  clip=false,
  samples=1000,
  ymin=0, xmin=0, xmax=40, ymax=1,
  hide y axis,
  domain=-5:40,
  xtick=\empty,
  axis lines*=left,
  enlargelimits=false,
  width=20cm,
  height=5cm]

\addplot[black, ultra thick,restrict x to domain=5:15] {gauss(x, 10, .7)}
  coordinate [pos=1] (g10)
  coordinate [pos=0.5] (g11)
  coordinate [pos=0.6] (g12);

\addplot[black, ultra thick,restrict x to domain=25:35] {gauss(x, 30, .7)}
  coordinate [pos=1] (g20)
  coordinate [pos=0.5] (g21)
  coordinate [pos=.6] (g22)
  coordinate [pos=.7] (g23);

\node at ([xshift=1cm]g12) {\large $p_{{\cal D}}(\cdot)$};
\node at ([xshift=1cm]g22) {\large $p_{G}(\cdot)$};

\draw[black, thick] ([xshift=-120, yshift=11]g11) -- ([xshift=120, yshift=11]g11);
\draw[black, thick] ([xshift=120, yshift=11]g11) to[out=-5, in=180] (230,0);

% Add "XX" label next to the red curve
\node at ([xshift=160, yshift=0]g11) {\large $f_{\phi^{(t)}}^D(\cdot)$};

\fill[fill=black] ([xshift=-100]g10) circle (3pt);
\fill[fill=black] ([xshift=-80]g10) circle (3pt);
\fill[fill=black] ([xshift=-70]g10) circle (3pt);
\fill[fill=black] ([xshift=-65]g10) circle (3pt);
\fill[fill=black] ([xshift=-50]g10) circle (3pt);

\fill[fill=black] ([xshift=-100]g20) circle (3pt);
\fill[fill=black] ([xshift=-85]g20) circle (3pt);
\fill[fill=black] ([xshift=-80]g20) circle (3pt);
\fill[fill=black] ([xshift=-70]g20) circle (3pt);
\fill[fill=black] ([xshift=-65]g20) circle (3pt);
\fill[fill=black] ([xshift=-60]g20) circle (3pt);

\end{axis}

\end{tikzpicture}

\end{document}