partial function der_specificIsobaricHeatCapacity_phxi 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 TILMedia.Internals.TILMediaExternalObject gasPointer; input Real der_p "Derivative of Pressure"; input Real der_h "Derivative of Specific enthalpy"; input Real[:] der_xi "Derivative of Mass fractions of the first nc-1 components"; output Real der_cp "Specific isobaric heat capacity cp"; end der_specificIsobaricHeatCapacity_phxi;