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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)

For the programmer

The object quadricSurface is a method function.