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added 3 examples

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Martin Thoma 2012-10-07 13:45:44 +02:00
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40
tikz/3d-function-2/3d-function-2.tex Normal file
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\documentclass{article}
\usepackage[pdftex,active,tightpage]{preview}
\setlength\PreviewBorder{2mm}
\usepackage{pgfplots}
\begin{document}
\begin{preview}
\pgfplotsset{
colormap={whitered}{
color(0cm)=(white);
color(1cm)=(orange!75!red)
}
}
\begin{tikzpicture}
\begin{axis}[
colormap name=whitered,
width=15cm,
view={340}{20},
enlargelimits=false,
grid=major,
domain=-5:5,
y domain=-5:5,
samples=56, %57 : TeX capacity exceeded, sorry [main memory size=3000000].
% see also http://tex.stackexchange.com/a/7954/5645
xlabel=$x$,
ylabel=$y$,
zlabel={$z$},
colorbar,
colorbar style={
at={(-0.1,0)},
anchor=south west,
height=0.25*\pgfkeysvalueof{/pgfplots/parent axis height},
title={$f(x,y)$}
}
]
\addplot3[surf] {x^2 + y^2};
\end{axis}
\end{tikzpicture}
\end{preview}
\end{document}

31
tikz/3d-function-2/Makefile Normal file
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SOURCE = 3d-function-2
DELAY = 80
DENSITY = 300
WIDTH = 500
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:
#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

31
tikz/dirichlet-function/Makefile Normal file
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SOURCE = dirichlet-function
DELAY = 80
DENSITY = 300
WIDTH = 500
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:
#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

33
tikz/dirichlet-function/dirichlet-function.tex Normal file
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\documentclass{article}
\usepackage[pdftex,active,tightpage]{preview}
\setlength\PreviewBorder{2mm}
\usepackage{amssymb,amsmath}
\usepackage{pgfplots}
\begin{document}
\begin{preview}
\begin{tikzpicture}
\begin{axis}[
axis lines=middle,
width=15cm, height=15cm, % size of the image
grid = both,
grid style={dashed, gray!30},
enlargelimits=true,
xmin=-1, % start the diagram at this x-coordinate
xmax= 1, % end the diagram at this x-coordinate
ymin= 0, % start the diagram at this y-coordinate
ymax= 1, % end the diagram at this y-coordinate
/pgfplots/xtick={-1,-0.8,...,1}, % make steps of length 0.2
/pgfplots/ytick={0,0.1,...,1}, % make steps of length 0.1
axis background/.style={fill=white},
ylabel=y,
xlabel=x,
legend style={at={(0.8,0.8)}, anchor=north}]
\addplot[domain=-1:1, ultra thick,samples=100,red] {1};
\addplot[domain=-1:1, ultra thick,samples=100,blue] {0};
\legend{$1 \text{, if } x \in \mathbb{Q}$, $0 \text{, if } x \in \mathbb{R} \setminus \mathbb{Q}$}
\end{axis}
\end{tikzpicture}
\end{preview}
\end{document}

32
tikz/histogram-simple/Makefile Normal file
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SOURCE = histogram-simple
DELAY = 80
DENSITY = 300
WIDTH = 500
make:
pdflatex $(SOURCE).tex -output-format=pdf
make clean
clean:
rm -rf $(TARGET) *.class *.html *.log *.aux
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

24
tikz/histogram-simple/histogram-simple.tex Normal file
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% Source: http://tex.stackexchange.com/a/65518/5645
\documentclass{article}
\usepackage[pdftex,active,tightpage]{preview}
\setlength\PreviewBorder{2mm}
\usepackage{pgfplots}
\begin{document}
\begin{preview}
\begin{tikzpicture}
\begin{axis}[
ybar interval,
xticklabel=
\pgfmathprintnumber\tick--\pgfmathprintnumber\nexttick
]
\addplot+[hist={bins=3}]
table[row sep=\\,y index=0] {
data\\
1\\ 2\\ 1\\ 5\\ 4\\ 10\\
7\\ 10\\ 9\\ 8\\ 9\\ 9\\
};
\end{axis}
\end{tikzpicture}
\end{preview}
\end{document}