MathematicalEngineeringDeepLearning/tikz/figure1-3-d-recursive_graph.tex at master · yoninazarathy/MathematicalEngineeringDeepLearning · GitHub

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\documentclass[border=0.2cm]{standalone}

% More defined colors
\usepackage[dvipsnames]{xcolor}
\usepackage{tikz}
\usepackage{xstring}
\usepackage{pgfmath,pgffor}
\usepackage{arrayjob}
\usepackage{medl_colors}

\usetikzlibrary{arrows.meta,shapes.arrows, shapes.misc}
\usetikzlibrary{positioning}
\usetikzlibrary{cd, fit, calc}
\usepackage{textcomp}

\begin{document}
\begin{tikzpicture}

\newcommand{\numlayerA}{3}
\newcommand{\nodedis}{8}

\newarray\indicesarray
\readarray{indicesarray}{-1&&+1}


\node [blueshape, rounded corners, minimum width=2cm, minimum height=1cm] (controller1) at (0, 0) {$ h ^{\langle{} t \rangle{} } $ };
\node [redshape, circle, minimum size=1.5cm, above of=controller1, node distance=2cm ] (circlea1) {$ y ^{\langle{} t \rangle{} } $ };
\node [greenshape, circle, minimum size=1.5cm, below of=controller1, node distance=2cm ] (circleb1) {$ x ^{\langle{} t \rangle{} } $ };

\draw [Triangle-, bthickline] (circlea1.south) -- (controller1.north) node[midway,right] {};
\draw [-Triangle, bthickline] (circleb1.north) -- (controller1.south) node[midway,right] {};

\draw[-Triangle, bthickline] ($(controller1.north west)+(0.5,0)$) -- ++ (0,0) arc[start angle=20, end angle=331, x radius=1.2cm, y radius =1.2cm] node[midway, right] (feedbackcircle) {};

\node[right of=controller1, node distance=2.5cm] (arrowh) {};

\node[right of=arrowh, thick, node distance=1.5cm, yshift=-1pt] (dot1) {- -};
\draw [-Triangle, bthickline] (dot1.east)+(.1cm,1pt) -- node[below] (arrow1) {} ++(.6,1pt);
\node[below of=circleb1, node distance=1.7cm] (textrecgraph) {\Huge Recursive graph};

\node [greylayer, inner sep = 3mm, fit={(feedbackcircle) (controller1) (circlea1) (textrecgraph)} ] {};

\foreach \i in {1,...,\numlayerA}
{
    \node [blueshape, rounded corners, minimum width=2cm, minimum height=1cm] (controller\i) at (3 + \i*3, 0) {$ h ^{\langle{} t\indicesarray(\i) \rangle{} } $};
    \node [redshape, circle, minimum size=1.5cm, above of=controller\i, node distance=2cm ] (circlea\i) {$ y ^{\langle{} t\indicesarray(\i) \rangle{} } $ };
    \node [greenshape, circle, minimum size=1.5cm, below of=controller\i, node distance=2cm ] (circleb\i) { $ x ^{\langle{} t\indicesarray(\i) \rangle{} } $ };
    \draw [Triangle-, bthickline] (circlea\i.south) -- (controller\i.north) node[midway,right] {};
    \draw [-Triangle, bthickline] (circleb\i.north) -- (controller\i.south) node[midway,right] {};
    \draw [-Triangle, bthickline] (controller\i.east)+(.1cm,1pt) -- node[] (arrow\i) {} ++(.8,1pt);
}

\node[below of=circleb2, node distance=1.7cm] (textunfoldgraph) {\Huge  Unfolded graph};

\node[right of=controller3, node distance=2.3cm](dot2) {- -};
\node [greylayer, inner sep = 3mm, fit={(dot1) (dot2) (circlea2) (textunfoldgraph)}] {};


\end{tikzpicture}
\end{document}