comment ca marche l'utilisation de ObjectiveFunctionBaranov?

J'ai fait
double FtotOTH = MinimisationUtil.fmin(0, 1, 0, ObjectiveFunctionBaranov(TACoth,M,N));

mais ca me dit : ERROR in C:\Users\slehuta\isis-fish-4\isis-community-database\rules\HCR_MixChannel_length.java (at line 169)
    double FtotOTH = MinimisationUtil.fmin(0, 1, 0, ObjectiveFunctionBaranov(TACoth,M,N));
                                                    ^^^^^^^^^^^^^^^^^^^^^^^^
The method ObjectiveFunctionBaranov(double, double, double) is undefined for the type HCR_MixChannel_length