cohMatrix(lo,hi,T)
i1 : T = triplet({1,2,3}, {1,3}, {0,2,3}) o1 = {{1, 2, 3}, {1, 3}, {0, 2, 3}} o1 : Triplet
i2 : cohMatrix(-7,4,T) o2 = | 77 50 30 16 7 2 0 0 0 0 0 0 | | 2 2 2 2 2 2 2 1 0 0 0 0 | | 0 0 0 0 0 0 0 0 1 2 3 4 | | 0 0 0 0 0 0 0 1 4 10 20 35 | o2 : MutableMatrix