When the computation takes a considerable time, this function can be used to decide if it will ever finish, or to get a feel for what is happening during the computation.
i1 : R = QQ[x,y,z]/ideal(x^8-z^6-y^2*z^4-z^3); |
i2 : time R' = integralClosure(R, Verbosity => 2)
[jacobian time .000538119 sec #minors 3]
integral closure nvars 3 numgens 1 is S2 codim 1 codimJ 2
[step 0:
radical (use minprimes) .00305963 seconds
idlizer1: .00962228 seconds
idlizer2: .0171462 seconds
minpres: .0117739 seconds
time .0576052 sec #fractions 4]
[step 1:
radical (use minprimes) .00309213 seconds
idlizer1: .0154271 seconds
idlizer2: .030911 seconds
minpres: .0187367 seconds
time .0870016 sec #fractions 4]
[step 2:
radical (use minprimes) .00306274 seconds
idlizer1: .0163209 seconds
idlizer2: .0574555 seconds
minpres: .0151336 seconds
time .111094 sec #fractions 5]
[step 3:
radical (use minprimes) .00316774 seconds
idlizer1: .0176777 seconds
idlizer2: .0542238 seconds
minpres: .042047 seconds
time .203502 sec #fractions 5]
[step 4:
radical (use minprimes) .00317581 seconds
idlizer1: .0191784 seconds
idlizer2: .109287 seconds
minpres: .0194354 seconds
time .205277 sec #fractions 5]
[step 5:
radical (use minprimes) .00314128 seconds
idlizer1: .012407 seconds
time .0251199 sec #fractions 5]
-- used 0.694529 seconds
o2 = R'
o2 : QuotientRing
|
i3 : trim ideal R'
3 2 2 2 4 4
o3 = ideal (w z - x , w x - w , w x - y z - z - z, w x - w z,
4,0 4,0 1,1 1,1 4,0 1,1
------------------------------------------------------------------------
2 2 2 3 2 3 2 3 2 4 2 2 4 2
w w - x y z - x z - x , w + w x y - x*y z - x*y z - 2x*y z
4,0 1,1 4,0 4,0
------------------------------------------------------------------------
3 3 2 6 2 6 2
- x*z - x, w x - w + x y + x z )
4,0 1,1
o3 : Ideal of QQ[w , w , x..z]
4,0 1,1
|
i4 : icFractions R
3 2 2 4
x y z + z + z
o4 = {--, -------------, x, y, z}
z x
o4 : List
|
The exact information displayed may change.