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MultiprojectiveVarieties :: tangentSpace

tangentSpace -- tangent space to a projective variety at a point

Synopsis

Description

i1 : X = PP_(ZZ/333331)^(3,2);

o1 : ProjectiveVariety, threefold in PP^9
i2 : p := point X

o2 = point of coordinates [-63251, 140212, 25299, -105446, -91880, -117577, 129587, 38839, 41433, 1]

o2 : ProjectiveVariety, a point in PP^9
i3 : tangentSpace(X,p)

o3 = threefold in PP^9 cut out by 6 hypersurfaces of degree 1

o3 : ProjectiveVariety, threefold in PP^9

See also

Ways to use tangentSpace :

For the programmer

The object tangentSpace is a method function.