43 lines
1.1 KiB
Matlab
43 lines
1.1 KiB
Matlab
function m = variance(o, resetmoments)
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% Return the prior variance.
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%
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% INPUTS
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% - o [dprior]
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% - resetmoments [logical] Force the computation of the prior variance
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%
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% OUTPUTS
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% - m [double] n×1 vector, prior variance
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% Copyright © 2023 Dynare Team
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%
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% This file is part of Dynare.
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%
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% Dynare is free software: you can redistribute it and/or modify
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% it under the terms of the GNU General Public License as published by
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% the Free Software Foundation, either version 3 of the License, or
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% (at your option) any later version.
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%
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% Dynare is distributed in the hope that it will be useful,
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% but WITHOUT ANY WARRANTY; without even the implied warranty of
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% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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% GNU General Public License for more details.
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%
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% You should have received a copy of the GNU General Public License
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% along with Dynare. If not, see <https://www.gnu.org/licenses/>.
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if nargin<2
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resetmoments = false;
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end
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if any(isnan(o.p2))
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resetmoments = true;
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end
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if resetmoments
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o.p2 = NaN(size(o.p2));
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o.moments('std');
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end
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m = o.p2.^2;
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