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Macaulay2 web site
SpaceCurves
::
quadricSurface
quadricSurface -- creates a QuadricSurface
Description
This function takes a polynomial ring in 4 variables over a field as the coordinate ring of P3 and creates a
QuadricSurface
in this ring.
Synopsis
Usage:
Q = quadricSurface(R)
Inputs:
R
,
a
ring
Outputs:
Q
,
an instance of the type
QuadricSurface
i1 : quadricSurface(ZZ/32003[x,y,z,w]) o1 = ideal(- y*z + x*w) o1 : QuadricSurface
See also
cubicSurface
-- creates a cubicSurface
quarticSurfaceRational
-- creates a QuarticSurfaceRational
Ways to use
quadricSurface
:
quadricSurface(Ring)