Hi, I would like to parametrize the intersection between the unit sphere ( ) and the plane * I came with It almost works, but it seem there are scale problems and I can't solve it. Thanks for your help!
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Hi u and v are 2 direction vectors of the plane A parametrization of the plane is Substituting in the equation of the sphere gives Discriminant is It is positive for Let Then You just have to substitute t and t' in the expression of x(t), y(t) and z(t)
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