Surface drawing by parametric plots 2

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var('u,v'); u_min,u_max=0,2*pi; v_min,v_max=0,2*pi

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f_x=2*sin(6*u)/(2+cos(v))

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f_y=2*(sin(u)+sin(2*u))/(2+cos(v+pi));

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f_z=(cos(u)-2*cos(u))*(2+cos(v))*(2+cos(v+pi))/2

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parametric_plot3d(

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    [f_x,f_y,f_z],(u_min,u_max),(v_min,v_max),plotpoints=100,

7

    color='steelblue',opacity=.3,mesh=True,frame=False)

Language: Sage Gap GP HTML Macaulay2 Maxima Octave Python R Singular

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