Sophie: Macaulay2-1.3.1-8.fc15 i686

Macaulay2-1.3.1-8.fc15.i686.rpm

-- -*- M2-comint -*- {* hash: 316282343 *}

i1 : A3 = typeA(3)

o1 = {x  - x , x  - x , x  - x , x  - x , x  - x , x  - x }
       1    2   1    3   1    4   2    3   2    4   3    4

o1 : Hyperplane Arrangement 

i2 : describe A3

o2 = {x  - x , x  - x , x  - x , x  - x , x  - x , x  - x }
       1    2   1    3   1    4   2    3   2    4   3    4

i3 : ring A3

o3 = QQ[x , x , x , x ]
         1   2   3   4

o3 : PolynomialRing

i4 : S = ZZ[w,x,y,z];

i5 : A3' = typeA(3,S)

o5 = {w - x, w - y, w - z, x - y, x - z, y - z}

o5 : Hyperplane Arrangement 

i6 : describe A3'

o6 = {w - x, w - y, w - z, x - y, x - z, y - z}

i7 : A4 = typeA(4,ZZ/3)

o7 = {x  - x , x  - x , x  - x , x  - x , x  - x , x  - x , x  - x , x  - x , x  - x , x  - x }
       1    2   1    3   1    4   1    5   2    3   2    4   2    5   3    4   3    5   4    5

o7 : Hyperplane Arrangement 

i8 : ring A4

     ZZ
o8 = --[x , x , x , x , x ]
      3  1   2   3   4   5

o8 : PolynomialRing

i9 :