i1 : R = QQ[x, dx, WeylAlgebra => {x=>dx}] o1 = R o1 : PolynomialRing |
i2 : M = cokernel matrix {{x^2, 0, 0}, {0, dx^3, 0}, {0, 0, x^3}} o2 = cokernel | x2 0 0 | | 0 dx^3 0 | | 0 0 x3 | 3 o2 : R-module, quotient of R |
i3 : factorBFunction bFunction(M, {1}, {0,0,0}) o3 = (s)(s - 2)(s - 1)(s + 1)(s + 2)(s + 3) o3 : Expression of class Product |
i4 : factorBFunction bFunction(M, {1}, {1,2,3}) o4 = (s)(s - 4)(s - 3)(s - 2)(s - 1)(s + 1) o4 : Expression of class Product |