i1 : R = ZZ/101[a..d]; |
i2 : C = res coker vars R 1 4 6 4 1 o2 = R <-- R <-- R <-- R <-- R <-- 0 0 1 2 3 4 5 o2 : ChainComplex |
i3 : sum C 16 o3 = R o3 : R-module, free, degrees {0, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 4} |
i4 : degrees oo o4 = {{0}, {1}, {1}, {1}, {1}, {2}, {2}, {2}, {2}, {2}, {2}, {3}, {3}, {3}, ------------------------------------------------------------------------ {3}, {4}} o4 : List |