IntersectionList |
Syntax |
IntersectionList(L:LIST of LIST):LIST IntersectionList(L:LIST of IDEAL):IDEAL IntersectionList(L:LIST of MODULE):MODULE |
Description |
Example |
/**/ Use R ::= QQ[x,y,z]; /**/ Points := [[0,0],[1,0],[0,1],[1,1]]; -- a list of points in the plane /**/ IntersectionList([ Ideal(x-P[1]*z, y-P[2]*z) | P In Points]); ideal(y^2 - y*z, x^2 - x*z) /**/ Intersection(["a","b","c"],["b","c","d"]); ["b", "c"] /**/ IntersectionList([Ideal(x,y), Ideal(y^2,z)]); ideal(y*z, x*z, y^2) /**/ It = intersect(ideal(x,y), ideal(y^2,z)); true |
See Also |