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Points :: projectivePointsByIntersection

projectivePointsByIntersection -- computes ideal of projective points by intersecting point ideals

Synopsis

Description

This function computes the ideal of a finite set of projective points by intersecting the ideals of each point.

i1 : R = QQ[x,y,z]

o1 = R

o1 : PolynomialRing
i2 : M = transpose matrix{{1,0,0},{0,1,1}}

o2 = | 1 0 |
     | 0 1 |
     | 0 1 |

              3        2
o2 : Matrix ZZ  <--- ZZ
i3 : projectivePointsByIntersection(M,R)

o3 = {y - z, x*z}

o3 : List

See also

Ways to use projectivePointsByIntersection :

For the programmer

The object projectivePointsByIntersection is a method function.