GNU Scientific Library – Reference Manual: High Level Driver

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### 38.7 High Level Driver

These routines provide a high level wrapper that combine the iteration and convergence testing for easy use.

Function: int gsl_multifit_fsolver_driver (gsl_multifit_fsolver * s, const size_t maxiter, const double epsabs, const double epsrel)
Function: int gsl_multifit_fdfsolver_driver (gsl_multifit_fdfsolver * s, const size_t maxiter, const double epsabs, const double epsrel)

  These functions iterate the solver s for a maximum of maxiter iterations. After each iteration, the system is tested for convergence using `gsl_multifit_test_delta` with the error tolerances epsabs and epsrel.