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ideal(RingElement) -- make an ideal

Synopsis

Usage:
ideal r
Function: ideal
Inputs:
- r, a ring element
Outputs:
- an ideal, which is generated by the ring element r

Description

i1 : ideal 7

o1 = ideal 7

o1 : Ideal of ZZ

i2 : R = ZZ/2[x,y];

i3 : f = x^2+y^2;

i4 : ideal f

            2    2
o4 = ideal(x  + y )

o4 : Ideal of R