+ Fixed a bug introduced in the previous commit.
+ Added a threshold parameter for the complex blocks in the upper
triangular matrix T in lyapunov_symm.m (new field in options_)
+ Cosmetic changes.
git-svn-id: https://www.dynare.org/svn/dynare/trunk@2414 ac1d8469-bf42-47a9-8791-bf33cf982152
+ Efficiency changes:
++ Do not compute the variance decomposition if not needed.
++ Do not apply the Schur decomposition for each shock in case of a variance decomposition.
+ Bug corrections and cosmetic changes.
+ Corrections of some headers.
git-svn-id: https://www.dynare.org/svn/dynare/trunk@2411 ac1d8469-bf42-47a9-8791-bf33cf982152
* added a function matlab_ver_less_than() for testing Matlab version
* updated dynare_config.m and build_matlab.m accordingly
* removed tests to check whether we are older than Matlab 6.5 (R13), since we don't support those old versions anymore
* removed a few unnecessary uses of eval()
git-svn-id: https://www.dynare.org/svn/dynare/dynare_v4@1936 ac1d8469-bf42-47a9-8791-bf33cf982152