43 lines
1.3 KiB
Matlab
43 lines
1.3 KiB
Matlab
function d = bksup1(c,ny,jcf,iyf,periods)
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% function d = bksup1(c,ny,jcf,iyf,periods)
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% Solves deterministic models recursively by backsubstitution for one lead/lag
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%
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% INPUTS
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% ny: number of endogenous variables
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% jcf: variables index forward
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%
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% OUTPUTS
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% d: vector of backsubstitution results
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%
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% SPECIAL REQUIREMENTS
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% none
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% Copyright (C) 2003-2017 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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ir = [(periods-2)*ny+1:ny+(periods-2)*ny] ;
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irf = iyf+(periods-1)*ny ;
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icf = [1:size(iyf,2)] ;
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for i = 2:periods
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c(ir,jcf) = c(ir,jcf)-c(ir,icf)*c(irf,jcf) ;
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ir = ir-ny ;
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irf = irf-ny ;
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end
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d = c(:,jcf) ;
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