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Comment: py3 print
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Deletions are marked like this. | Additions are marked like this. |
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raise ValueError, "Curve is not closed!" | raise ValueError("Curve is not closed!") |
Sage Interactions - Topology
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Winding number of a plane curve
by Pablo Angulo. Computes winding number (with respect to the origin!) as an integral, and also as a intersection number with a half line through the origin.