In algebraic geometry, given a projective algebraic hypersurface described by the homogeneous equation
and a point
its polar hypersurface is the hypersurface
where are the partial derivatives of .
The intersection of and is the set of points such that the tangent at to meets .
In algebraic geometry, given a projective algebraic hypersurface described by the homogeneous equation
and a point
its polar hypersurface is the hypersurface
where are the partial derivatives of .
The intersection of and is the set of points such that the tangent at to meets .