Surfaces' Plotting as Exercises 3

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var('u,v'); a,b,c=4,5,1

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u_min,u_max,v_min,v_max=0,2*pi,0,2*pi

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fx,fy,fz=u*cos(a*v),u*sin(b*v),-v*cos(c*u)

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sum([parametric_plot3d(

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    [fx*i,fy*j,fz],(u_min,u_max),(v_min,v_max),plotpoints=300,

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

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     for i in [-1,1] for j in [-1,1]])

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

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