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% STK_SET_OPTIMIZABLE_PARAMETERS [STK internal]
%
% INTERNAL FUNCTION WARNING:
%
% This function is currently considered as internal. STK users that wish to
% experiment with parameter classes can already overload it, but should be
% aware that API-breaking changes are likely to happen in future releases.
%
% See also: stk_set_optimizable_parameters
% Copyright Notice
%
% Copyright (C) 2017, 2018 CentraleSupelec
% Copyright (C) 2017 LNE
%
% Authors: Remi Stroh <remi.stroh@lne.fr>
% Julien Bect <julien.bect@centralesupelec.fr>
% Copying Permission Statement
%
% This file is part of
%
% STK: a Small (Matlab/Octave) Toolbox for Kriging
% (https://github.com/stk-kriging/stk/)
%
% 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 model = stk_set_optimizable_model_parameters (model, value)
stk_assert_model_struct (model);
% Covariance parameters
covparam = stk_get_optimizable_parameters (model.param);
covparam_size = length (covparam);
% Noise parameters
noiseparam = stk_get_optimizable_noise_parameters (model);
noiseparam_size = length (noiseparam);
total_size = covparam_size + noiseparam_size;
% Check length of value
if numel (value) ~= total_size
stk_error (['The length of ''value'' must be equal to ' ...
'the number of parameters.'], 'IncorrectSize');
end
% Change covariance parameter
if covparam_size > 0
covparam = value(1:covparam_size);
model.param = stk_set_optimizable_parameters (model.param, covparam);
end
% Change noise variance parameter
if noiseparam_size > 0
noiseparam = value(covparam_size + (1:noiseparam_size));
model.lognoisevariance = stk_set_optimizable_parameters ...
(model.lognoisevariance, noiseparam);
end
end % function
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