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Thank you for quick answer! But still we have a problem with plotting. We have this equasions: for sphere: parametric_plot3d((sin(u)cos(v),sin(u)sin(v),cos(u)),(v,0,2pi),(u,0,2pi))

for cylinder: parametric_plot3d((sin(v),cos(v),u),(v,0,2pi),(u,0,2pi))

and viviani's curve: parametric_plot3d((sin(v)cos(v),sin(v)sin(v),cos(v)),(v,0,2*pi))

and now we don't know how to put it all together. :(

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No.2 Revision

updated 2011-05-19 06:33:38 -0600

kcrisman gravatar image

Thank you for quick answer! But still we have a problem with plotting. We have this equasions: for sphere: parametric_plot3d((sin(u)cos(v),sin(u)sin(v),cos(u)),(v,0,2pi),(u,0,2pi))

parametric_plot3d((sin(u)*cos(v),sin(u)*sin(v),cos(u)),(v,0,2*pi),(u,0,2*pi))

for cylinder: parametric_plot3d((sin(v),cos(v),u),(v,0,2pi),(u,0,2pi))

parametric_plot3d((sin(v),cos(v),u),(v,0,2*pi),(u,0,2*pi))

and viviani's curve: parametric_plot3d((sin(v)cos(v),sin(v)sin(v),cos(v)),(v,0,2*pi))

parametric_plot3d((sin(v)*cos(v),sin(v)*sin(v),cos(v)),(v,0,2*pi))

and now we don't know how to put it all together. :(