added second image for LDA article

tikz/lda-gauss-1/lda-gauss-1.tex

@@ -3,6 +3,8 @@
 \usepackage[latin1]{inputenc}
 \usepackage{amsmath}
 \usepackage{pgfplots}
+\usepackage{tikz}
+\usetikzlibrary{arrows,positioning} 
 \usepackage{helvet}
 \usepackage[eulergreek]{sansmath}
 
@@ -67,6 +69,18 @@ every axis label/.append style={font=\sffamily\footnotesize},
                        rotate=90,
                        font=\boldmath\Large},
         ]
+
+        \coordinate (plotAcoord) at (axis cs:70,0.024);
+        \coordinate (plotAcoordY) at (axis cs:0,0.024);
+        \draw[plotA,thick, dashed](plotAcoord -| plotAcoordY) -- (plotAcoord);
+
+        \coordinate (plotBcoord) at (axis cs:70,0.0004);
+        \coordinate (plotBcoordY) at (axis cs:0,0.0004);
+        \draw[plotB,thick, dashed](plotBcoord -| plotBcoordY) -- (plotBcoord);
+
+        \node[above right=0cm and 0cm of plotAcoordY,color=red!90!black] (f1y) {$f_{I}(70)$};
+        \node[above right=0cm and 0cm of plotBcoordY,color=cyan!50!black] (f2y) {$f_{II}(70)$};
+
         % Plots of the distributions
         \addplot [domain=0:120,samples=200,plotA] {gauss(80,100)};
         \addplot [domain=0:120,samples=200,plotB] {gauss(40,100)};
@@ -75,19 +89,18 @@ every axis label/.append style={font=\sffamily\footnotesize},
         \addplot+[plotA,
                   samples at={70},
                   mark=*,
-                  mark options={scale=1, fill=red!90!black}] {gauss(80,100)}
-            node[pin={95:\large$f_I(70)$}] {};
+                  mark options={scale=1, fill=red!90!black}] {gauss(80,100)};
         \addplot+[plotB,
                   samples at={70},
                   mark=*,
-                  mark options={scale=1, fill=cyan!50!black}] {gauss(40,100)}
-            node[pin={10:\large$f_{II}(70)$}] {};
+                  mark options={scale=1, fill=cyan!50!black}] {gauss(40,100)};
         \coordinate (a) at (axis cs:70,0.024);
         \draw[black,thick](a |- current plot begin) -- (a);
 
+
         % Add labels
-        \node[plotA,above] at (axis cs:102,0.03){\Large $\mathcal{N}(80, 100)$};
-        \node[plotB,above] at (axis cs:20,0.03){\Large $\mathcal{N}(40, 100)$};
+       \node[plotA,above] at (axis cs:102,0.03){\Large $\mathcal{N}(80, 100)$};
+       \node[plotB,above] at (axis cs:20,0.03){\Large $\mathcal{N}(40, 100)$};
       % \addlegendentry{$\mu=80,\enskip \sigma^2 = 100$}
       % \addlegendentry{$\mu=40,\enskip \sigma^2 = 100$}
     \end{axis} 

tikz/lda-gauss-2/Makefile

@@ -0,0 +1,33 @@
+SOURCE = lda-gauss-2
+DELAY = 80
+DENSITY = 300
+WIDTH = 512
+
+make:
+	pdflatex -shell-escape $(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:
+	#inkscape $(SOURCE).pdf --export-plain-svg=$(SOURCE).svg
+	pdf2svg $(SOURCE).pdf $(SOURCE)1.svg
+	# Necessary, as pdf2svg does not always create valid svgs:
+	inkscape $(SOURCE)1.svg --export-width=$(WIDTH) --export-plain-svg=$(SOURCE)1.svg
+	rsvg-convert -a -w 720 -f svg $(SOURCE)1.svg -o $(SOURCE).svg
+	rm $(SOURCE)1.svg

tikz/lda-gauss-2/README.md

@@ -0,0 +1,3 @@
+Compiled example
+----------------
+![Example](lda-gauss-2.png)

tikz/lda-gauss-2/lda-gauss-2.tex

@@ -0,0 +1,80 @@
+\documentclass[varwidth=true, border=5pt]{article}
+\usepackage[active,tightpage]{preview}
+\usepackage[latin1]{inputenc}
+\usepackage{amsmath}
+\usepackage{pgfplots}
+\usepackage{tikz}
+\usetikzlibrary{arrows,positioning} 
+\usepackage{helvet}
+\usepackage[eulergreek]{sansmath}
+
+\pgfmathdeclarefunction{gauss}{2}{%
+  \pgfmathparse{1/(sqrt(2*pi*#2))*exp(-((x-#1)^2)/(2*#2))}%
+}
+% to be used: \gauss(x)(mean)(variance)
+
+\pgfplotsset{
+tick label style = {font=\sansmath\sffamily},
+every axis label/.append style={font=\sffamily\footnotesize},
+}
+
+\begin{document}
+\begin{preview}
+\tikzstyle{plotA}=[ultra thick,red!90!black]
+\tikzstyle{plotB}=[ultra thick,cyan!50!black]
+\begin{tikzpicture}
+    \begin{axis}[
+        width=13.5cm,
+        height=8.625cm,
+        % Grid
+        grid = major,
+        %grid style={thin, dashed},
+        % size
+        xmin= 0,     % start the diagram at this x-coordinate
+        xmax= 125,   % end   the diagram at this x-coordinate
+        ymin= 0,     % start the diagram at this y-coordinate
+        ymax= 0.045, % end   the diagram at this y-coordinate
+        % Legende
+        legend style={
+            font=\large\sansmath\sffamily,
+            at={(0.5,-0.18)},
+            anchor=north,
+            legend cell align=left,
+            legend columns=-1,
+            column sep=0.5cm
+        },
+        % Ticks
+        tick align=inside,
+        %minor tick num=3,
+        minor tick style={thick},
+        scaled y ticks = false,
+        % xtick={40,70,80},
+        ytick=\empty,
+        % Axis
+        axis lines = middle,
+        axis line style = very thick,
+        xlabel=$x$,
+        x label style={at={(axis description cs:0.52,0)},
+                       anchor=north,
+                       font=\boldmath\Large},
+        ylabel=$f(x)$,
+        y label style={at={(axis description cs:0,0.5)},
+                       anchor=south,
+                       rotate=90,
+                       font=\boldmath\Large},
+        ]
+
+        % Plots of the distributions
+        \addplot [domain=0:120,samples=200,plotA] {gauss(60,800)};
+        \addplot [domain=0:120,samples=200,plotB] {gauss(40,100)};
+
+
+        % Add labels
+       \node[plotA,above] at (axis cs:102,0.01){\Large $\mathcal{N}(60, 800)$};
+       \node[plotB,above] at (axis cs:20,0.03){\Large $\mathcal{N}(40, 100)$};
+      % \addlegendentry{$\mu=80,\enskip \sigma^2 = 100$}
+      % \addlegendentry{$\mu=40,\enskip \sigma^2 = 100$}
+    \end{axis} 
+\end{tikzpicture}
+\end{preview}
+\end{document}