Jacek Pliszka writes: > Can I store gsl_multimin_function *f as one of the fields of > gsl_multimin_fminimizer * s ? > > It is not done in Simplex but in my case it would be handy. It should be in the second element of the struct already, as a result of the initialisation function gsl_multimin_fminimizer_set() in fminimizer.c. -- Brian Gough