Subtract two DiscreteZerosAndPoles (dzp1 - dzp2)
function subtract import Modelica; import Modelica_LinearSystems2.DiscreteZerosAndPoles; import Modelica_LinearSystems2.Math.Polynomial; import Modelica_LinearSystems2.Math.Complex; input DiscreteZerosAndPoles dzp1; input DiscreteZerosAndPoles dzp2; end subtract;