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← Revision 7 as of 2020-06-01 18:42:11 ⇥
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pretty_print(r'$\int \frac{1}{x^2 + y^2}(xdy-ydx)=%d$'%winding_number_integral(x,y,a,b)) | pretty_print(html(r'$\int \frac{1}{x^2 + y^2}(xdy-ydx)=%d$'%winding_number_integral(x,y,a,b))) |
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.