37 lines
1.1 KiB
Matlab
37 lines
1.1 KiB
Matlab
function f = lpdfnorm(x,m,s)
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% function f = lpdfnorm(x,m,s)
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% The log of the normal density function
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%
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% INPUTS
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% x: density evatuated at x
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% m: mean
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% s: standard deviation
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%
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% OUTPUTS
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% f: the log of the normal density function
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%
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% SPECIAL REQUIREMENTS
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% none
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% Copyright (C) 2003-2008 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 <http://www.gnu.org/licenses/>.
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if nargin<3, s=1; end
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if nargin<2, m=0; end
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f = -log(s)-log(2*pi)/2-((x-m)./s).^2/2;
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