Surfaces' Plotting as Exercises

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var('u,v'); u_min,u_max=-2,2; v_min,v_max=-2,2

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fx,fy,fz=u-u^3/3+u*v^2,v-v^3/3+v*u^2,u^2-v^2

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sum([parametric_plot3d(

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    [fx*i,fy*j,fz*k],(u_min,u_max),(v_min,v_max),color='cyan',

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    opacity=.5,mesh=True,frame=False,plotpoints=30) 

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     for i in [-2,1] for j in [-2,1] for k in [-2,1]])

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

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