Tikz figures

tikz/POMDP_tikz.tex

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+\documentclass[tikz, border=2pt]{standalone}
+% main document, called main.tex
+\usepackage{tikz}
+\usetikzlibrary{bayesnet}
+
+\begin{document}
+% \title{sequential_prediction}
+% \author{Dhruv Patel}
+% \date{July 2022}
+\tikzstyle{emptynode} = [rectangle, draw=black!0, minimum size=3mm]
+\tikzstyle{rect} = [rectangle, draw=black!90, minimum size=3mm]
+\tikzstyle{diam} = [diamond, draw=black!90, minimum width=1.5mm, minimum height = 1.5mm]
+\begin{tikzpicture}
+
+	\node[latent]  (s0) {$s_0$};
+	\node[latent, right= 2.4cm of s0](s1){$s_1$};
+	\node[latent, right= 2.4cm of s1](s2){$s_2$};
+	\node[obs, below= 2cm of s0](x0){$x_0$};
+	\node[obs, below= 2cm of s1](x1){$x_1$};
+	\node[obs, below= 2cm of s2](x2){$x_2$};
+	\node[obs, below= 1cm of x0](b0){$b_0$};
+	\node[obs, below= 1cm of x1](b1){$b_1$};
+	\node[obs, below= 1cm of x2](b2){$b_2$};
+	\node[rect, fill = black!20 ,right = 0.8cm of x0](a0){$a_0$};
+	\node[rect, fill = black!20, right = 0.8cm of x1](a1){$a_1$};
+	\node[obs, above = 0.6 of a0](r0){$r_0$};
+	\node[obs, above = 0.6 of a1](r1){$r_1$};
+	\node[emptynode, right= 2cm of s2](e1){$\cdots$};
+	\node[emptynode, right= 2cm of b2](e2){$\cdots$};
+
+	\edge{s0}{x0,s1,r0};
+	\edge{x0}{b0};
+	\edge{b0}{b1,a0};
+	\edge{b1}{b2};
+	\edge{a0}{r0,s1};
+	\edge{s1}{r1, x1, s2};
+	\edge{b1}{b2, a1};
+	\edge{s2}{x2};
+	\edge{x2,r1,a1}{b2};
+	\edge{a1}{r1,s2};
+	\edge{a0,r0,x1}{b1};
+	\edge{s2}{e1};
+	\edge{b2}{e2};
+    \node[draw=black,thin,fit=(s0)(s1)(s2), rectangle,inner sep=10pt](rect1)  {};
+    \node[const, above = 2.9cm of a1](){environment};
+    \node[draw=black,thin,fit=(b0)(b1)(b2), rectangle,inner sep=10pt](rect1)  {};
+    \node[const, below = 1.9cm of a1](){agent};
+
+\end{tikzpicture}
+\end{document}

tikz/multi-task-network_tikz.tex

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+\documentclass[tikz, border=2pt]{standalone}
+% main document, called main.tex
+\usepackage{tikz}
+\usetikzlibrary{bayesnet}
+\usetikzlibrary{}
+\usetikzlibrary{decorations.pathreplacing,calligraphy}
+%\title{multi-headed-network}
+% \author{Dhruv Patel}
+% \date{July 2022}
+\begin{document}
+\tikzstyle{rect1} = [rectangle, minimum width=2mm, minimum height = 20mm]
+\tikzstyle{rect2} = [rectangle,, minimum width=10mm, minimum height = 2mm]
+\tikzstyle{emptynode1} = [rectangle, draw=black!0, minimum size=1mm]
+\tikzstyle{emptynode2} = [rectangle, draw=blue!70,fill = blue!50, minimum width=3mm, minimum height = 5mm]
+\begin{tikzpicture}[font={\small}]
+    \node[rect1, draw = green!90, fill = green!70](r1){};
+    \node[rect1, draw = green!90, fill = green!70, right = 2mm of r1 ](r2){};
+    \node[rect1, draw = green!90, fill = green!70, right = 2mm of r2 ](r3){};
+    \node[rect1, draw = green!90, fill = green!70, right = 2mm of r3 ](r4){};
+    \node[rect1, draw = green!90, fill = green!70, right = 2mm of r4 ](r5){};
+    \node[const, left = of r1](x){$X$};
+    \node[const, above left = 20mm of r1](x1){};
+    \node[const, below = 15mm of x1](x2){};
+    \node[const, below = 23mm of x2](xd){};
+    \node[const, right = 5cm of x2](w1){$w^1$};
+    \node[const, right = 5cm of xd](wj){$w^j$};
+    \node[emptynode2, above left  = 0.1 mm of w1](e2l){};
+    \node[emptynode2, right  = 2 mm of e2l](e2r){};
+    \node[emptynode2, above left  = 0.1 mm of wj](e3l){};
+    \node[emptynode2, right  = 2 mm of e3l](e3r){};
+    \draw [decorate,decoration={brace,mirror, amplitude=5pt}, thick]
+    (-0.25,-1.2) -- (2.1,-1.2) node [black,midway,yshift=-0.4cm] {$w_0:$ shared parameters};
+    \draw [decorate,decoration={brace, amplitude=5pt}, thick]
+    (5,2) -- (5,-1.8) node [black,midway,xshift=0.5cm, rotate= 90] {task specific parameters};
+    \edge{x}{r1};
+    \edge{r5}{e2l,e3l};
+    \node[const, right= 6mm of e2r](y1){$y^1$};
+    \node[const, right= 6mm of e3r](yj){$y^j$};
+    \edge{e2r}{y1};
+    \edge{e3r}{yj};
+
+\end{tikzpicture}
+\end{document}