
%
%  LineSearch_xtol         Stopping tolerance for minimum change input 
%                          variable {1e-15}
%
%  LineSearch_ftol         Stopping tolerance for sufficient decrease 
%                          condition {1e-4}
%
%  LineSearch_gtol         Stopping tolerance for directional derivative 
%                          condition {1e-2}
%
%  LineSearch_stpmin       Minimum step to take {1e-15}
%
%  LineSearch_stpmax       Maximum step to take {1e15}
%
%  LineSearch_maxfev       Maximum numb