encapsulated function integralValue_der import Modelica_LinearSystems2.Math.Polynomial; input Polynomial p "Polynomial"; input Real x_high "High integrand value"; input Real x_low = 0 "Low integrand value, default 0"; input Real dx_high "High integrand value"; input Real dx_low = 0 "Low integrand value, default 0"; output Real dintegral = 0.0 "Integral of polynomial p from u_low to u_high"; end integralValue_der;