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% STK_OPTIONS_SET sets the value of one or all STK options
%
% CALL: stk_options_set ('default')
%
% resets STK's default options.
%
% CALL: stk_options_set (OPTS)
%
% sets all options at once using the option structure OPTS. Such a
% structure can be obtained from stk_options_get.
%
% CALL: stk_options_set (BLOCKNAME, OPTS)
%
% sets all the options from a block BLOCKNAME, using the option
% structure OPTS. Such a structure can be obtained from
% stk_options_get as well.
%
% CALL: stk_options_set (BLOCKNAME, OPTNAME, OPTVAL)
%
% sets options BLACKNAME.OPTNAME to the value OPTVAL.
%
% CALL: OPTS = stk_options_set (...)
%
% returns the modified option structure, containing all STK's options.
%
% See also: stk_options_get
% Copyright Notice
%
% Copyright (C) 201 CentraleSupelec
% Copyright (C) 2015-2017 CentraleSupelec
% Copyright (C) 2014 SUPELEC & A. Ravisankar
% Copyright (C) 2013 SUPELEC
%
% Authors: Julien Bect <julien.bect@centralesupelec.fr>
% Ashwin Ravisankar <ashwinr1993@gmail.com>
% Copying Permission Statement
%
% This file is part of
%
% STK: a Small (Matlab/Octave) Toolbox for Kriging
% (http://sourceforge.net/projects/kriging)
%
% STK is free software: you can redistribute it and/or modify it under
% the terms of the GNU General Public License as published by the Free
% Software Foundation, either version 3 of the License, or (at your
% option) any later version.
%
% STK is distributed in the hope that it will be useful, but WITHOUT
% ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
% or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
% License for more details.
%
% You should have received a copy of the GNU General Public License
% along with STK. If not, see <http://www.gnu.org/licenses/>.
function opts = stk_options_set (varargin)
persistent options
if isempty (options)
options = init_options ();
mlock;
end
switch nargin
case 0 % nothing to do, just return the output
case 1 % reset
if (ischar (varargin{1})) && strcmp (varargin{1}, 'default')
options = init_options ();
elseif isstruct (varargin{1})
options = varargin{1};
else
stk_error ('Syntax error', 'SyntaxError');
end
case 2
switch varargin{1}
case 'stk_sf_matern'
% TODO: Remove this warning in STK 3.x
warning (sprintf([ ...
'stk_sf_matern and the corresponding options have been ' ...
'deprecated.\n\nPlease use stk_rbf_matern instead.\n']));
options.stk_rbf_matern = varargin{2};
otherwise
options.(varargin{1}) = varargin{2};
end
case 3
switch varargin{1}
case 'stk_param_estim'
if strcmp (varargin{2}, 'optim_display_level')
% TODO: Remove this warning in STK 3.x
warning (sprintf ([ ...
'Options stk_param_estim.optim_display_level has ' ...
'been removed.\n\nDisplay options for optimization ' ...
'algorithms can be set through the properties of ' ...
'the algorithm objects instead.\n']));
else
options.stk_param_estim.(varargin{2}) = varargin{3};
end
case 'stk_sf_matern'
% TODO: Remove this warning in STK 3.x
warning (sprintf([ ...
'stk_sf_matern and the corresponding options have been ' ...
'deprecated.\n\nPlease use stk_rbf_matern instead.\n']));
options.stk_rbf_matern.(varargin{2}) = varargin{3};
otherwise
options.(varargin{1}).(varargin{2}) = varargin{3};
end
otherwise
stk_error ('Incorrect number of input arguments.', 'SyntaxError');
end
if nargout > 0
opts = options;
end
end % function
%#ok<*CTCH,*SPWRN>
function opts = init_options ()
opts = struct ();
opts.stk_rbf_matern.min_size_for_parallelization = 1e5;
opts.stk_rbf_matern.min_block_size = 1e3;
opts.stk_dataframe.disp_format = 'basic'; % 'basic' or 'verbose'
opts.stk_dataframe.disp_spstr = ' ';
opts.stk_dataframe.openvar_warndlg = true;
opts.stk_param_getdefaultbounds.tolvar = 5.0;
opts.stk_param_getdefaultbounds.tolscale = 5.0;
opts.stk_param_getdefaultbounds.nu_min_dimfun = @(d) 0.5;
opts.stk_param_getdefaultbounds.nu_max_dimfun = @(d) min (50.0, 10 * d);
opts.stk_figure.properties = {'InvertHardcopy', 'off', 'Color', [1 1 1]};
opts.stk_xlabel.properties = {'FontSize', 10, 'Color', [0.2 0 1]};
opts.stk_ylabel.properties = opts.stk_xlabel.properties;
opts.stk_zlabel.properties = opts.stk_xlabel.properties;
opts.stk_title.properties = {'FontSize', 10, 'FontWeight', 'bold'};
opts.stk_axes.properties = {'FontSize', 8};
% Select optimizer for stk_param_estim
if exist ('OCTAVE_VERSION', 'builtin') == 5
% In Octave we use sqp (which is always available) in both cases
opts.stk_param_estim.minimize_box = stk_optim_octavesqp ();
opts.stk_param_estim.minimize_unc = stk_optim_octavesqp ();
else
A_fminsearch = stk_optim_fminsearch ();
try
% See if the Mathworks' Optimization toolbox is installed
opts.stk_param_estim.minimize_box = stk_optim_fmincon ();
opts.stk_param_estim.minimize_unc = A_fminsearch; % FIXME: use fminunc !
check_both (opts.stk_param_estim);
catch
try
% See sqp can be used with MOSEK's quadprog
% (or any other compatible replacement for quadprog)
A = stk_optim_octavesqp (struct ('qp_solver', 'quadprog'));
opts.stk_param_estim.minimize_box = A;
opts.stk_param_estim.minimize_unc = A;
check_both (opts.stk_param_estim);
catch
opts.stk_param_estim.minimize_box = A_fminsearch;
opts.stk_param_estim.minimize_unc = A_fminsearch;
end
end
end
end % function
function check_both (opts)
assert (stk_optim_testmin_box (opts.minimize_box));
assert (stk_optim_testmin_unc (opts.minimize_unc));
end % function
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