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71 lines
2.4 KiB
TeX
71 lines
2.4 KiB
TeX
\documentclass{article}
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\usepackage[pdftex,active,tightpage]{preview}
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\setlength\PreviewBorder{2mm}
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\usepackage{amssymb,amsmath}
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\usepackage{pgfplots}
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\usepackage{tikz}
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\usetikzlibrary{arrows, positioning, calc, intersections, decorations.pathreplacing}
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\newcommand\tikzmark[1]{%
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\tikz[overlay,remember picture,baseline] \coordinate [anchor=base] (#1);}
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\newcommand\DrawBrace[3]{%
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\draw [ultra thick, decorate,decoration={brace,amplitude=5pt,mirror,raise=2pt}]
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(#1) -- (#2) node [midway,xshift=23pt] {\Huge $\displaystyle #3$};
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}
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\begin{document}
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\begin{preview}
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\begin{tikzpicture}
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\pgfplotsset{
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right segments/.code={\pgfmathsetmacro\rightsegments{#1}},
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right segments=3,
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right/.style args={#1:#2}{
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ybar interval,
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domain=#1+((#2-#1)/\rightsegments):#2+((#2-#1)/\rightsegments),
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samples=\rightsegments+1,
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x filter/.code=\pgfmathparse{\pgfmathresult-((#2-#1)/\rightsegments)}
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}
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}
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\pgfplotsset{
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left segments/.code={\pgfmathsetmacro\leftsegments{#1}},
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left segments=3,
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left/.style args={#1:#2}{
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ybar interval,
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domain=#1:#2,
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samples=\leftsegments+1,
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x filter/.code=\pgfmathparse{\pgfmathresult}
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}
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}
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\begin{axis}[
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axis lines=middle,
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width=15cm, height=15cm, % size of the image
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grid = major,
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grid style={dashed, gray!30},
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xmin= 0, % start the diagram at this x-coordinate
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xmax= 3, % end the diagram at this x-coordinate
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ymin= 0, % start the diagram at this y-coordinate
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ymax= 9, % end the diagram at this y-coordinate
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axis background/.style={fill=white},
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ylabel=y,
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xlabel=x,
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tick align=outside,
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tension=0.08,
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legend style={at={(0.25,0.91)}, anchor=north}]
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\addplot[domain=0:3,ultra thin, red, samples=500] {x};
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\addplot[domain=0:3,very thin, red, samples=500] {x^2};
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\addplot[domain=0:3,thin, red, samples=500] {x^3};
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\addplot[domain=0:3,semithick, red, samples=500] {x^4};
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\addplot[domain=0:3,thick, red, samples=500] {x^5};
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\addplot[domain=0:3,very thick, red, samples=500] {e^x};
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\addplot[domain=0:3,ultra thick, red, samples=500] {sqrt(x)};
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\legend{ultra thin, very thin, thin, semithick, thick, very thick, ultra thick};
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\end{axis}
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\end{tikzpicture}
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\end{preview}
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\end{document}
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