This function computes the Chern-Mather volumes of the projective toric variety XA, these are the coefficients of the Chern-Mather class ordered from dimension XA to dimension zero. We do not assume that XA is normal.
i1 : A=matrix{{0, 0, 0, 1, 1,5}, {7,0, 1, 3, 0, -2},{1,1, 1, 1, 1, 1}} o1 = | 0 0 0 1 1 5 | | 7 0 1 3 0 -2 | | 1 1 1 1 1 1 | 3 6 o1 : Matrix ZZ <--- ZZ |
i2 : cmVolumes(A) o2 = {35, 20, -12} o2 : List |
i3 : A=matrix{{3, 0, 0, 1, 1,2}, {3,5,0,2,1,3},{0, 1, 2, 0, 2,0},{1, 1, 1, 1, 1,1}} o3 = | 3 0 0 1 1 2 | | 3 5 0 2 1 3 | | 0 1 2 0 2 0 | | 1 1 1 1 1 1 | 4 6 o3 : Matrix ZZ <--- ZZ |
i4 : cm=cmVolumes(A) o4 = {28, 31, 23, 20} o4 : List |