tikz: Cascade correlation

tikz/cascade-correlation-network/Makefile

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+SOURCE = cascade-correlation-network
+DELAY = 80
+DENSITY = 300
+WIDTH = 512
+
+make:
+	pdflatex $(SOURCE).tex -output-format=pdf
+	make clean
+
+clean:
+	rm -rf  $(TARGET) *.class *.html *.log *.aux *.data *.gnuplot
+
+gif:
+	pdfcrop $(SOURCE).pdf
+	convert -verbose -delay $(DELAY) -loop 0 -density $(DENSITY) $(SOURCE)-crop.pdf $(SOURCE).gif
+	make clean
+
+png:
+	make
+	make svg
+	inkscape $(SOURCE).svg -w $(WIDTH) --export-png=$(SOURCE).png
+
+transparentGif:
+	convert $(SOURCE).pdf -transparent white result.gif
+	make clean
+
+svg:
+	make
+	#inkscape $(SOURCE).pdf --export-plain-svg=$(SOURCE).svg
+	pdf2svg $(SOURCE).pdf $(SOURCE).svg
+	# Necessary, as pdf2svg does not always create valid svgs:
+	inkscape $(SOURCE).svg --export-plain-svg=$(SOURCE).svg
+	rsvg-convert -a -w $(WIDTH) -f svg $(SOURCE).svg -o $(SOURCE)2.svg
+	inkscape $(SOURCE)2.svg --export-plain-svg=$(SOURCE).svg
+	rm $(SOURCE)2.svg

tikz/cascade-correlation-network/README.md

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+Compiled example
+----------------
+![Example](cascade-correlation-network.png)

tikz/cascade-correlation-network/cascade-correlation-network.tex

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+\documentclass{article}
+\usepackage[pdftex,active,tightpage]{preview}
+\setlength\PreviewBorder{2mm}
+
+\usepackage{amsmath}
+\usepackage{tikz}
+\usetikzlibrary{shapes, calc, shapes, arrows, snakes}
+\newcommand{\width}{0.2}
+\begin{document}
+\begin{preview}
+\tikzset{sigmoid/.style={path picture= {
+    \begin{scope}[x=1pt,y=10pt]
+      \draw plot[domain=-7:7] (\x,{1/(1 + exp(-\x))-0.5});
+    \end{scope}
+    }
+  }
+}
+
+\tikzset{relu/.style={path picture= {
+    \begin{scope}[x=7pt,y=6pt]
+      \draw plot[domain=-1:0] (\x,0);
+      \draw plot[domain=0:1] (\x,\x);
+    \end{scope}
+    }
+  }
+}
+
+\tikzstyle{input}=[draw,fill=red!50,circle,minimum size=20pt,inner sep=0pt]
+\tikzstyle{hidden}=[draw,fill=green!50,circle,minimum size=20pt,inner sep=0pt]
+\tikzstyle{output}=[draw,fill=white,circle,minimum size=20pt,inner sep=0pt]
+\tikzstyle{bias}=[draw,dashed,fill=gray!50,circle,minimum size=20pt,inner sep=0pt]
+\tikzstyle{layer}=[fill=gray!70]
+
+\tikzstyle{stateTransition}=[->, very thick]
+
+\begin{tikzpicture}[scale=2]
+
+    \node (i0)[bias]  at (0, 0) {1};
+    \node (i1)[input] at (0, 0.5) {};
+    \node (i2)[input] at (0, 1.0) {};
+    \node (i3)[input] at (0, 1.5) {};
+
+    \node (h1)[hidden] at (1, 2.0) {};
+    \node (h2)[hidden] at (2, 2.5) {};
+    \node (h3)[hidden] at (3, 3.0) {};
+
+    \node (o1)[output] at (4, 3.5) {};
+    \node (o2)[output] at (5, 3.5) {};
+
+    \draw[stateTransition] (i0) -- (6, 0);
+    \draw[stateTransition] (i1) -- (6, 0.5);
+    \draw[stateTransition] (i2) -- (6, 1.0);
+    \draw[stateTransition] (i3) -- (6, 1.5);
+    \draw[stateTransition] (h1) -- (6, 2.0);
+    \draw[stateTransition] (h2) -- (6, 2.5);
+    \draw[stateTransition] (h3) -- (6, 3.0);
+
+    \draw[stateTransition] (1, 0) -- (h1);
+    \draw[stateTransition] (2, 0) -- (h2);
+    \draw[stateTransition] (3, 0) -- (h3);
+
+    \draw[stateTransition] (4, 0) -- (o1);
+    \draw[stateTransition] (5, 0) -- (o2);
+
+    \foreach \x in {1,...,3} {
+        \pgfmathsetmacro{\limy}{(2+\x) / 2}
+        \foreach \y in {0, 0.5, ..., \limy} {
+            \node[rectangle,draw=black,fill=black,minimum size=12] (box) at (\x,\y) {};
+        }
+    }
+
+    \foreach \x in {4,...,5} {
+        \foreach \y in {0, ..., 6} {
+            \pgfmathsetmacro{\yn}{0.5*\y}
+            \node[rectangle,draw=black,fill=white,minimum size=12] (box) at (\x,\yn) {};
+        }
+    }
+
+%     \node (h11)[hidden, sigmoid] at (1, 1.5) {};
+%     \node (h12)[hidden, sigmoid] at (1, 0.5) {};
+%     \node[circle, inner sep=0] (h13) at (1,-0.5) {\vdots};
+%     \node (h14)[hidden, sigmoid] at (1,-1.5) {};
+%     \node (h21)[hidden, relu] at (2, 1.5) {};
+%     \node (h22)[hidden, relu] at (2, 0.5) {};
+%     \node[circle, inner sep=0] (h23) at (2,-0.5) {\vdots};
+%     \node (h24)[hidden, relu] at (2,-1.5) {};
+
+%     \node (o1)[output, sigmoid] at (3,0) {};
+
+%     \draw[stateTransition] (r) -- (h11) node [midway,above=-0.06cm] {};
+%     \draw[stateTransition] (r) -- (h12) node [midway,above=-0.06cm] {};
+%     \draw[stateTransition] (r) -- (h13) node [midway,above=-0.06cm] {};
+%     \draw[stateTransition] (r) -- (h14) node [midway,above=-0.06cm] {};
+%     \draw[stateTransition] (g) -- (h11) node [midway,above=-0.06cm] {};
+%     \draw[stateTransition] (g) -- (h12) node [midway,above=-0.06cm] {};
+%     \draw[stateTransition] (g) -- (h13) node [midway,above=-0.06cm] {};
+%     \draw[stateTransition] (g) -- (h14) node [midway,above=-0.06cm] {};
+%     \draw[stateTransition] (b) -- (h11) node [midway,above=-0.06cm] {};
+%     \draw[stateTransition] (b) -- (h12) node [midway,above=-0.06cm] {};
+%     \draw[stateTransition] (b) -- (h13) node [midway,above=-0.06cm] {};
+%     \draw[stateTransition] (b) -- (h11) node [midway,above=-0.06cm] {};
+
+%     \draw[stateTransition] (h11) -- (h21) node [midway,above=-0.06cm] {};
+%     \draw[stateTransition] (h11) -- (h22) node [midway,above=-0.06cm] {};
+%     \draw[stateTransition] (h11) -- (h23) node [midway,above=-0.06cm] {};
+%     \draw[stateTransition] (h11) -- (h24) node [midway,above=-0.06cm] {};
+%     \draw[stateTransition] (h12) -- (h21) node [midway,above=-0.06cm] {};
+%     \draw[stateTransition] (h12) -- (h22) node [midway,above=-0.06cm] {};
+%     \draw[stateTransition] (h12) -- (h23) node [midway,above=-0.06cm] {};
+%     \draw[stateTransition] (h12) -- (h24) node [midway,above=-0.06cm] {};
+%     \draw[stateTransition] (h13) -- (h21) node [midway,above=-0.06cm] {};
+%     \draw[stateTransition] (h13) -- (h22) node [midway,above=-0.06cm] {};
+%     \draw[stateTransition] (h13) -- (h23) node [midway,above=-0.06cm] {};
+%     \draw[stateTransition] (h13) -- (h24) node [midway,above=-0.06cm] {};
+%     \draw[stateTransition] (h14) -- (h21) node [midway,above=-0.06cm] {};
+%     \draw[stateTransition] (h14) -- (h22) node [midway,above=-0.06cm] {};
+%     \draw[stateTransition] (h14) -- (h23) node [midway,above=-0.06cm] {};
+%     \draw[stateTransition] (h14) -- (h21) node [midway,above=-0.06cm] {};
+
+%     \draw[stateTransition] (h21) -- (o1) node [midway,above=-0.06cm] {};
+%     \draw[stateTransition] (h22) -- (o1) node [midway,above=-0.10cm] {};
+%     \draw[stateTransition] (h23) -- (o1) node [midway,above=-0.06cm] {};
+%     \draw[stateTransition] (h24) -- (o1) node [midway,above=-0.06cm] {};
+
+%     \draw [
+%     thick,
+%     decoration={
+%         brace,
+%         mirror,
+%         raise=0.5cm
+%     },
+%     decorate
+% ] (1+-\width, -1.8) -- (2+\width, -1.8)
+% node [pos=0.5,anchor=north,yshift=-0.55cm] {50\% dropout};
+\end{tikzpicture}
+\end{preview}
+\end{document}