Sophie

Sophie

distrib > Fedora > 15 > i386 > by-pkgid > 7ebd25ac536d248d499a3ce2acda963a > files > 3262

Macaulay2-1.3.1-8.fc15.i686.rpm

-- -*- M2-comint -*- {* hash: -277083685 *}

i1 : R = QQ[a..g];

i2 : I = ideal"ab2-c3,abc-cef,ade-cfg"

               2    3
o2 = ideal (a*b  - c , a*b*c - c*e*f, a*d*e - c*f*g)

o2 : Ideal of R

i3 : syz gens I                   

o3 = {3} | -abc+cef 0        -ade+cfg de2f-bcfg  |
     {3} | ab2-c3   -ade+cfg 0        -c2de+b2fg |
     {3} | 0        abc-cef  ab2-c3   bc3-b2ef   |

             3       4
o3 : Matrix R  <--- R

i4 :