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 .000590277 sec #minors 3]
integral closure nvars 3 numgens 1 is S2 codim 1 codimJ 2
[step 0:
radical (use minprimes) .00312042 seconds
idlizer1: .00973178 seconds
idlizer2: .0179034 seconds
minpres: .0122206 seconds
time .0615759 sec #fractions 4]
[step 1:
radical (use minprimes) .00312935 seconds
idlizer1: .0157802 seconds
idlizer2: .0316629 seconds
minpres: .019384 seconds
time .0906165 sec #fractions 4]
[step 2:
radical (use minprimes) .00317668 seconds
idlizer1: .0165133 seconds
idlizer2: .0594763 seconds
minpres: .0157674 seconds
time .115978 sec #fractions 5]
[step 3:
radical (use minprimes) .00329733 seconds
idlizer1: .01773 seconds
idlizer2: .0562973 seconds
minpres: .0451527 seconds
time .181401 sec #fractions 5]
[step 4:
radical (use minprimes) .0031971 seconds
idlizer1: .0189195 seconds
idlizer2: .108461 seconds
minpres: .0181751 seconds
time .238098 sec #fractions 5]
[step 5:
radical (use minprimes) .00290086 seconds
idlizer1: .0108884 seconds
time .0240705 sec #fractions 5]
-- used 0.717048 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.