Nun eine passende Integralkurve 3d:
octave:89> plot3(circsx,circsy,t); octave:90> plot3(circsx,circsy,t); octave:91> t = linspace(0,4*pi,200)'; octave:92> circsx = cos(t); octave:93> circsy = sin(t); octave:94> plot3(circsx,circsy,t);
Voila:
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