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Size: 2457
Comment: detail: show the origin
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Size: 2477
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
| Line 9: | Line 9: |
| {{{ | {{{#!sagecell |
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| raise ValueError, "Curve is not closed!" | raise ValueError("Curve is not closed!") |
| Line 70: | Line 70: |
| print 'Winding number = (# of red points) - (# of green points): ', wn | print('Winding number = (# of red points) - (# of green points): {}'.format(wn)) |
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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.
