bfgs	bfgs
dogleg	dogleg
double_dogleg	double_dogleg
fast_grad	fast_grad
fast_hess	fast_hess
fast_jac	fast_jac
gauss_newton	gauss_newton
is_pd_fast	is_pd_fast
l_bfgs_b	l_bfgs_b
modified_newton	modified_newton
newton_raphson	newton_raphson
