figure7-1-b-recurrent-sentiment.tex

\documentclass[border=1cm]{standalone}

\usepackage{tikz}
\usetikzlibrary{shapes.geometric, shapes.misc}
\usetikzlibrary{cd, fit, calc}
\usetikzlibrary{positioning}
\usetikzlibrary{decorations.markings}
\usepackage{medl_colors}

\begin{document}
\begin{tikzpicture}

\def\words{{
{"I","like","reading", "this", "terribly", "instructive", "book"}
}}

\foreach \i in {0,...,6}
{
    \pgfmathparse{int(\i-1)}\edef\j{\pgfmathresult};
    \pgfmathparse{\words[0][\i]} \edef\word{\pgfmathresult};

    \node[blueshape, rounded corners, minimum width=1cm, minimum height=1cm] (unit\i) at (\i*3, 0) {Unit};
    
    \node [greenshape, rounded corners, minimum width=1cm, minimum height=3cm, below of=unit\i, node distance=3cm] (rect\i)  {};
    
    \node[rotate=90, left of=unit\i, node distance=3cm] {Encoded Input};

    \draw[-Triangle, uthickline] (rect\i) -- (unit\i);
    
    \node[below of=rect\i, node distance= 2cm] (word\i) {\Large \texttt{\word}};

    \ifnum\i>0
        \draw[-Triangle, uthickline] (unit\j) -- (unit\i);
    \fi
    
}

\node [minimum width=3cm, minimum height=1cm, above of=unit6, node distance=2cm, align=center] (rect)  {\large Softmax};

\node[redshape, rounded corners, above of=rect, node distance=2cm, align=center] (text) {\large Sentiment};

\draw[-Triangle, uthickline] (unit6) -- (rect);
\draw[-Triangle, uthickline] (rect) -- (text);

\end{tikzpicture}
\end{document}