rt_max', {3, 'I', [0, 10]}, ...          % ls_short_max
%       'min_recover_strategy', {0, 'M', [0, 1]}, ...   % recover_strategy
%       'min_recover_max', {3, 'I', [0, 10]}, ...       % recover_max
%       ... % from phi2.m
%       'phi_R', {-0.5, 'R', [-1, 1]}, ...              % R_default
%       ... % linesearchs - ls_armijo.m
%       'max_ls_iter', {20, 'I', [0, Inf]}, ...   % max tries before LS fails
%       'max_lseq_iter', {20, 'I', [0, Inf]}, ...   % same for LS for equality constrained p