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Macaulay2Doc :: vars(Ring)

vars(Ring) -- row matrix of the variables

Synopsis

Description

i1 : S = QQ[w,x,y,z];
i2 : vars S

o2 = | w x y z |

             1       4
o2 : Matrix S  <--- S
i3 : ideal vars S

o3 = ideal (w, x, y, z)

o3 : Ideal of S
i4 : coker vars S

o4 = cokernel | w x y z |

                            1
o4 : S-module, quotient of S
i5 : res coker vars S

      1      4      6      4      1
o5 = S  <-- S  <-- S  <-- S  <-- S  <-- 0
                                         
     0      1      2      3      4      5

o5 : ChainComplex
i6 : R = S/(x^2-w*y, x*y-w*z, x*z-y^2);
i7 : vars R

o7 = | w x y z |

             1       4
o7 : Matrix R  <--- R
i8 : use S;
i9 : Q = S/(x^2-w*y, z);
i10 : vars S

o10 = | w x y z |

              1       4
o10 : Matrix S  <--- S