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Merge remote-tracking branch 'ratto/master'

time-shift
Michel Juillard 2012-04-04 17:25:50 +02:00
parent a0a2becf58 d4723038be
commit 3170d93136
7 changed files with 92 additions and 144 deletions
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6
matlab/dynare_identification.m
View File

@ -61,7 +61,7 @@ options_ident = set_default_option(options_ident,'advanced',0);
options_ident = set_default_option(options_ident,'normalize_jacobians',1);
options_ident = set_default_option(options_ident,'lik_init',1);
if options_ident.gsa_sample_file,
GSAFolder = checkpath('gsa');
GSAFolder = checkpath('gsa',M_.dname);
if options_ident.gsa_sample_file==1,
load([GSAFolder,filesep,fname_,'_prior'],'lpmat','lpmat0','istable');
elseif options_ident.gsa_sample_file==2,
@ -105,11 +105,13 @@ nlags = options_ident.ar;
periods = options_ident.periods;
replic = options_ident.replic;
useautocorr = options_ident.useautocorr;
options_.order=1;
options_.ar=nlags;
options_.prior_mc = options_ident.prior_mc;
options_.options_ident = options_ident;
options_.Schur_vec_tol = 1.e-8;
options_.nomoments=0;
options_.analytic_derivation=1;
options_ = set_default_option(options_,'datafile',[]);
options_.mode_compute = 0;
@ -152,7 +154,7 @@ end
SampleSize = options_ident.prior_mc;
if ~(exist('sylvester3mr','file')==2),
if ~(exist('sylvester3','file')==2),
dynareroot = strrep(which('dynare'),'dynare.m','');
addpath([dynareroot 'gensylv'])

59
matlab/gensylv/sylvester3.m
View File

@ -1,5 +1,5 @@
function x=sylvester3(a,b,c,d)
% solves a*x+b*x*c=d
% solves a*x+b*x*c=d where d is [n x m x p]
% Copyright (C) 2005-2009 Dynare Team
%
@ -20,53 +20,72 @@ function x=sylvester3(a,b,c,d)
n = size(a,1);
m = size(c,1);
p = size(d,3);
x=zeros(n,m,p);
if n == 1
x=d./(a*ones(1,m)+b*c);
for j=1:p,
x(:,:,j)=d(:,:,j)./(a*ones(1,m)+b*c);
end
return
end
if m == 1
x = (a+c*b)\d;
for j=1:p,
x(:,:,j) = (a+c*b)\d(:,:,j);
end
return;
end
x=zeros(n,m);
[u,t]=schur(c);
if exist('OCTAVE_VERSION')
[aa,bb,qq,zz]=qz(full(a),full(b));
d=qq'*d*u;
for j=1:p,
d(:,:,j)=qq'*d(:,:,j)*u;
end
else
[aa,bb,qq,zz]=qz(full(a),full(b),'real'); % available in Matlab version 6.0
d=qq*d*u;
for j=1:p,
d(:,:,j)=qq*d(:,:,j)*u;
end
end
i = 1;
c = zeros(n,1,p);
while i < m
if t(i+1,i) == 0
if i == 1
c = zeros(n,1);
c = zeros(n,1,p);
else
c = bb*(x(:,1:i-1)*t(1:i-1,i));
for j=1:p,
c(:,:,j) = bb*(x(:,1:i-1,j)*t(1:i-1,i));
end
end
x(:,i)=(aa+bb*t(i,i))\(d(:,i)-c);
x(:,i,:)=(aa+bb*t(i,i))\squeeze(d(:,i,:)-c);
i = i+1;
else
if i == n
c = zeros(n,1);
c1 = zeros(n,1);
c = zeros(n,1,p);
c1 = zeros(n,1,p);
else
c = bb*(x(:,1:i-1)*t(1:i-1,i));
c1 = bb*(x(:,1:i-1)*t(1:i-1,i+1));
for j=1:p,
c(:,:,j) = bb*(x(:,1:i-1,j)*t(1:i-1,i));
c1(:,:,j) = bb*(x(:,1:i-1,j)*t(1:i-1,i+1));
end
end
z = [aa+bb*t(i,i) bb*t(i+1,i); bb*t(i,i+1) aa+bb*t(i+1,i+1)]...
\[d(:,i)-c;d(:,i+1)-c1];
x(:,i) = z(1:n);
x(:,i+1) = z(n+1:end);
bigmat = ([aa+bb*t(i,i) bb*t(i+1,i); bb*t(i,i+1) aa+bb*t(i+1,i+1)]);
z = bigmat\squeeze([d(:,i,:)-c;d(:,i+1,:)-c1]);
x(:,i,:) = z(1:n,:);
x(:,i+1,:) = z(n+1:end,:);
i = i + 2;
end
end
if i == m
c = bb*(x(:,1:m-1)*t(1:m-1,m));
x(:,m)=(aa+bb*t(m,m))\(d(:,m)-c);
for j=1:p,
c(:,:,j) = bb*(x(:,1:m-1,j)*t(1:m-1,m));
end
aabbt = (aa+bb*t(m,m));
x(:,m,:)=aabbt\squeeze(d(:,m,:)-c);
end
for j=1:p,
x(:,:,j)=zz*x(:,:,j)*u';
end
x=zz*x*u';
% 01/25/03 MJ corrected bug for i==m (sign of c in x determination)
% 01/31/03 MJ added 'real' to qz call

30
matlab/gensylv/sylvester3a.m
View File

@ -1,7 +1,7 @@
function x=sylvester3a(x0,a,b,c,d)
function [x0, flag]=sylvester3a(x0,a,b,c,dd)
% solves iteratively ax+bxc=d
% Copyright (C) 2005-2009 Dynare Team
% Copyright (C) 2005-2012 Dynare Team
%
% This file is part of Dynare.
%
@ -20,15 +20,19 @@ function x=sylvester3a(x0,a,b,c,d)
a_1 = inv(a);
b = a_1*b;
d = a_1*d;
e = 1;
iter = 1;
while e > 1e-8 & iter < 500
x = d-b*x0*c;
e = max(max(abs(x-x0)));
x0 = x;
iter = iter + 1;
end
if iter == 500
warning('sylvester3a : Only accuracy of %10.8f is achieved after 500 iterations')
flag=0;
for j=1:size(dd,3),
d = a_1*dd(:,:,j);
e = 1;
iter = 1;
while e > 1e-8 && iter < 500
x = d-b*x0(:,:,j)*c;
e = max(max(abs(x-x0(:,:,j))));
x0(:,:,j) = x;
iter = iter + 1;
end
if iter == 500
sprintf('sylvester3a : Only accuracy of %10.8f is achieved after 500 iterations',e);
flag=1;
end
end

100
matlab/gensylv/sylvester3mr.m
View File

@ -1,100 +0,0 @@
function x=sylvester3mr(a,b,c,d)
% solves a*x+b*x*c=d where d is [n x m x p]
% Copyright (C) 2005-2009 Dynare Team
%
% This file is part of Dynare.
%
% Dynare 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.
%
% Dynare 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 Dynare. If not, see <http://www.gnu.org/licenses/>.
n = size(a,1);
m = size(c,1);
if length(size(d))==2,
x=sylvester3(a,b,c,d);
return
end
p = size(d,3);
if n == 1
for j=1:p,
x(:,:,j)=d(:,:,j)./(a*ones(1,m)+b*c);
end
return
end
if m == 1
invacb = inv(a+c*b);
x = invacb*d;
return;
end
x=zeros(n,m,p);
[u,t]=schur(c);
if exist('OCTAVE_VERSION')
[aa,bb,qq,zz]=qz(full(a),full(b));
for j=1:p,
d(:,:,j)=qq'*d(:,:,j)*u;
end
else
[aa,bb,qq,zz]=qz(full(a),full(b),'real'); % available in Matlab version 6.0
for j=1:p,
d(:,:,j)=qq*d(:,:,j)*u;
end
end
i = 1;
c = zeros(n,1,p);
while i < m
if t(i+1,i) == 0
if i == 1
c = zeros(n,1,p);
else
for j=1:p,
c(:,:,j) = bb*(x(:,1:i-1,j)*t(1:i-1,i));
end
end
% aabbtinv = inv(aa+bb*t(i,i));
% x(:,i,:)=aabbtinv*squeeze(d(:,i,:)-c);
x(:,i,:)=(aa+bb*t(i,i))\squeeze(d(:,i,:)-c);
i = i+1;
else
if i == n
c = zeros(n,1,p);
c1 = zeros(n,1,p);
else
for j=1:p,
c(:,:,j) = bb*(x(:,1:i-1,j)*t(1:i-1,i));
c1(:,:,j) = bb*(x(:,1:i-1,j)*t(1:i-1,i+1));
end
end
% bigmatinv = inv([aa+bb*t(i,i) bb*t(i+1,i); bb*t(i,i+1) aa+bb*t(i+1,i+1)]);
% z = bigmatinv * squeeze([d(:,i,:)-c;d(:,i+1,:)-c1]);
bigmat = ([aa+bb*t(i,i) bb*t(i+1,i); bb*t(i,i+1) aa+bb*t(i+1,i+1)]);
z = bigmat\squeeze([d(:,i,:)-c;d(:,i+1,:)-c1]);
x(:,i,:) = z(1:n,:);
x(:,i+1,:) = z(n+1:end,:);
i = i + 2;
end
end
if i == m
for j=1:p,
c(:,:,j) = bb*(x(:,1:m-1,j)*t(1:m-1,m));
end
% aabbtinv = inv(aa+bb*t(m,m));
% x(:,m,:)=aabbtinv*squeeze(d(:,m,:)-c);
aabbt = (aa+bb*t(m,m));
x(:,m,:)=aabbt\squeeze(d(:,m,:)-c);
end
for j=1:p,
x(:,:,j)=zz*x(:,:,j)*u';
end
% 01/25/03 MJ corrected bug for i==m (sign of c in x determination)
% 01/31/03 MJ added 'real' to qz call

16
matlab/getH.m
View File

@ -355,7 +355,13 @@ else % generalized sylvester equation
elem(:,:,j) = (Dg0(:,:,j)-Dg1(:,:,j)*A);
d(:,:,j) = Dg2(:,:,j)-elem(:,:,j)*A;
end
xx=sylvester3mr(a,b,c,d);
xx=sylvester3(a,b,c,d);
flag=1;
icount=0;
while flag && icount<4,
[xx, flag]=sylvester3a(xx,a,b,c,d);
icount=icount+1;
end
H=zeros(m*m+m*(m+1)/2,param_nbr+length(indexo));
if nargout>1,
dOm = zeros(m,m,param_nbr+length(indexo));
@ -435,7 +441,13 @@ if nargout > 5,
d(:,:,jcount) = elem1+elem2;
end
end
xx2=sylvester3mr(a,b,c,d);
xx2=sylvester3(a,b,c,d);
flag=1;
icount=0;
while flag && icount<4,
[xx2, flag]=sylvester3a(xx2,a,b,c,d);
icount = icount + 1;
end
jcount = 0;
for j=1:param_nbr,
for i=j:param_nbr,

23
matlab/identification_analysis.m
View File

@ -138,6 +138,10 @@ if info(1)==0,
[fval,cost_flag,ys,trend_coeff,info,M_,options_,bayestopt_,oo_,DLIK,AHess] = dsge_likelihood(params',data_info,options_,M_,estim_params_,bayestopt_,oo_,derivatives_info);
% fval = DsgeLikelihood(xparam1,data_info,options_,M_,estim_params_,bayestopt_,oo_);
AHess=-AHess;
if min(eig(AHess))<0,
error('Analytic Hessian is not positive semi-definite!')
end
% chol(AHess);
ide_hess.AHess= AHess;
deltaM = sqrt(diag(AHess));
iflag=any((deltaM.*deltaM)==0);
@ -153,7 +157,9 @@ if info(1)==0,
cmm = NaN(size(siJ,1),size(siJ,1));
ind1=find(ide_hess.ind0);
cmm = siJ(:,ind1)*((AHess(ind1,ind1))\siJ(:,ind1)');
chh = siH(:,ind1)*((AHess(ind1,ind1))\siH(:,ind1)');
temp1=((AHess(ind1,ind1))\siH(:,ind1)');
diag_chh=sum(siH(:,ind1)'.*temp1)';
% chh = siH(:,ind1)*((AHess(ind1,ind1))\siH(:,ind1)');
ind1=ind1(ind1>offset);
clre = siLRE(:,ind1-offset)*((AHess(ind1,ind1))\siLRE(:,ind1-offset)');
rhoM=sqrt(1./diag(inv(tildaM(indok,indok))));
@ -190,12 +196,16 @@ if info(1)==0,
% rhoM=sqrt(1-1./diag(inv(tildaM)));
% rhoM=(1-1./diag(inv(tildaM)));
ind1=find(ide_hess.ind0);
chh = siH(:,ind1)*((MIM(ind1,ind1))\siH(:,ind1)');
temp1=((MIM(ind1,ind1))\siH(:,ind1)');
diag_chh=sum(siH(:,ind1)'.*temp1)';
% chh = siH(:,ind1)*((MIM(ind1,ind1))\siH(:,ind1)');
ind1=ind1(ind1>offset);
clre = siLRE(:,ind1-offset)*((MIM(ind1,ind1))\siLRE(:,ind1-offset)');
rhoM(indok)=sqrt(1./diag(inv(tildaM(indok,indok))));
normaliz(indok) = (sqrt(diag(inv(tildaM(indok,indok))))./deltaM(indok))'; %sqrt(diag(inv(MIM(indok,indok))))';
% deltaM = deltaM.*abs(params');
if ~isempty(indok),
rhoM(indok)=sqrt(1./diag(inv(tildaM(indok,indok))));
normaliz(indok) = (sqrt(diag(inv(tildaM(indok,indok))))./deltaM(indok))'; %sqrt(diag(inv(MIM(indok,indok))))';
end
% deltaM = deltaM.*abs(params')
flag_score=0;
end
ide_strength_J(indok) = (1./(normaliz(indok)'./abs(params(indok)')));
@ -212,7 +222,8 @@ if info(1)==0,
% isok = find((abs(TAU)>=1.e-8));
% quant(isok,:) = siH(isok,:)./repmat(TAU(isok,1),1,nparam);
% quant(inok,:) = siH(inok,:)./repmat(mean(abs(TAU)),length(inok),nparam);
quant = siH./repmat(sqrt(diag(chh)),1,nparam);
% quant = siH./repmat(sqrt(diag(chh)),1,nparam);
quant = siH./repmat(sqrt(diag_chh),1,nparam);
siHnorm = vnorm(quant).*normaliz1;
% siHnorm = vnorm(siH./repmat(TAU,1,nparam)).*normaliz;
quant=[];

2
matlab/simulated_moment_uncertainty.m
View File

@ -22,7 +22,7 @@ global options_ oo_
mm=zeros(length(indx),replic);
disp('Evaluting simulated moment uncertainty ... please wait')
disp('Evaluating simulated moment uncertainty ... please wait')
disp(['Doing ',int2str(replic),' replicas of length ',int2str(periods),' periods.'])
noprint0 = options_.noprint;
for j=1:replic;