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18 lines
448 B
TeX
18 lines
448 B
TeX
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\pgfplotsset{
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colormap={whitered}{
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color(0cm)=(white);
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color(1cm)=(orange!75!red)
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}
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%colormap={color}{color(0cm)=(white); color(1cm)=(blue)}
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}
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\begin{tikzpicture}
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\begin{axis}[view={60}{30}]
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\addplot3[surf,
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samples=50,
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domain=1:2,y domain=0:2*pi,
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z buffer=sort]
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%({(2 + tan(deg(y)))*cos((deg(x)))}, {(2 + cos(x)) * sin(x)}, {x});
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({x * cos(deg(y))}, {x * sin(deg(y))}, {1/x});
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\end{axis}
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\end{tikzpicture}
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