Carry out an elliptic integral:
Plot an incomplete elliptic integral over the complex plane:
Calculate the surface area of a triaxial ellipsoid:
The area of an ellipsoid with half axes 3, 2, 1:
Calculate volume through integrating the differential surface elements:
Arc length parametrization of a curve that minimizes the integral of the square of its curvature:
Parametrization of a mylar balloon (two flat sheets of plastic sewn together at their circumference and then inflated):
Plot the resulting balloon:
Calculate the ratio of the main curvatures:
Express the radius of the original sheets through the radius of the inflated balloon: