function der_densityDerivativeWRTmassFraction_phxin extends TILMedia.BaseClasses.PartialGasObjectFunction; input SI.AbsolutePressure p "Pressure"; input SI.SpecificEnthalpy h "Specific enthalpy"; input SI.MassFraction[:] xi "Mass fractions of the first nc-1 components"; input Integer compNo "Index of component"; input TILMedia.Internals.TILMediaExternalObject gasPointer; input Real der_p "Pressure"; input Real der_h "Specific enthalpy"; input Real[:] der_xi "Mass fractions of the first nc-1 components"; output Real der_drhodxi_ph "Derivative of density wrt mass fraction at pressure and specific enthalpy"; end der_densityDerivativeWRTmassFraction_phxin;