20 lines
465 B
TeX
20 lines
465 B
TeX
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\documentclass{standalone}
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%
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\usepackage{tikz}
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\usepackage{pgfplots}
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\pgfplotsset{width=10cm,compat=1.9}
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\usepackage{xcolor}
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\definecolor{space}{HTML}{0A2543}
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%
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\title{The Witch of Agnesi}
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\begin{document}
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\begin{tikzpicture}[domain=-15:15]
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\begin{scope}[scale=2]
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\begin{axis}
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\foreach \a in {1,2,4,8}
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\addplot [domain=-15:15, samples=100, color=space, thick]{8 * \a^2 / (x^2 + 4 * \a)};
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\end{axis}
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\end{scope}
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\end{tikzpicture}
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\end{document}
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