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| # emgr Changelog | ||
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| ## emgr 5.5 (2018-08) | ||
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| * ADDED sensitivity gramian normalization | ||
| * FIXED distributed cross gramian computation | ||
| * FIXED linear cross gramian scales | ||
| * FIXED approximate inverse computation | ||
| * FIXED mean centering | ||
| * FIXED parameter centering | ||
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| ## emgr 5.4 (2018-05) | ||
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| * ADDED input-output sensitivity gramian | ||
| * ADDED builtin pseudo-random binary input | ||
| * CHANGED linear chirp to exponential chirp | ||
| * FIXED preconditioner computation | ||
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| ## emgr 5.3 (2018-01) | ||
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| * ADDED local identity function | ||
| * ADDED preallocation for input perturbation | ||
| * CHANGED preallocation of gramian variables to reservation | ||
| * CHANGED sequence of computation in linear cross gramian | ||
| * FIXED averaging in default integrator | ||
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| ## emgr 5.2 (2017-08) | ||
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| * IMPROVED sparse scales | ||
| * FIXED root-mean-square centering | ||
| * REMOVED zero parameter scaling | ||
| * REMOVED wave centering | ||
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| ## emgr 5.1 (2017-05) | ||
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| * ADDED wave centering (beta) | ||
| * ADDED zero centering | ||
| * ADDED option flags for distributed computation | ||
| * ADDED argument for dot product handle | ||
| * ADDED comment on general gramian computation | ||
| * IMPROVED preconditioner computation via pseudo kernel | ||
| * IMPROVED handling of extra input | ||
| * IMPROVED partion setup | ||
| * CHANGED parameter Gramian computation to unified form | ||
| * CHANGED sensitivity Gramian via pseudo kernel | ||
| * FIXED steady state centering | ||
| * FIXED default integrator | ||
| * REMOVE global variables for distributed computation | ||
| * REMOVE global variable for dot product handle | ||
| * REMOVE argument for parameter scales | ||
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| ## emgr 5.0 (2016-10) | ||
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| * ADDED midrange centering | ||
| * ADDED extra input for state Gramians | ||
| * IMPROVED perturbations with sparse vectors | ||
| * CHANGED bsxfun to automatic broadcasting | ||
| * CHANGED output trajectory storage to 3-tensor for cross Gramians | ||
| * CHANGED identifiability Schur complement computation to approximate inverse | ||
| * CHANGED cross-identifiability Schur complement computation to approximate inverse | ||
| * CHANGED defualt integrator to optimal 2nd order SSP in low-storage implementation method with configurable stability | ||
| * FIXED built-in chirp input | ||
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| ## emgr 4.0 (2016-06) | ||
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| * ADDED parameter scales argument pm | ||
| * ADDED inner product handle | ||
| * ADDED distributed cross Gramian computation | ||
| * ADDED distributed cross Gramian configuration | ||
| * ADDED linear non-symmetric cross Gramian | ||
| * ADDED enforced symmetriy for controllability and observability Gramian | ||
| * ADDED zero scales filtering | ||
| * IMPROVED built-in chirp input | ||
| * IMPROVED observability trajectory storage | ||
| * CHANGED input scale option order | ||
| * CHANGED state scale option order | ||
| * CHANGED active parameter option | ||
| * CHANGED Gramian pre-allocation | ||
| * CHANGED state and parameter trajectory computations | ||
| * CHANGED centering from lambda to local function | ||
| * CHANGED identifiability Schur complement computation to pseudo inverse | ||
| * CHANGED defualt integrator to 2nd order Heun's method | ||
| * REMOVED robust parameter option | ||
| * REMOVED median centering | ||
| * REMOVED midrange centering | ||
| * REMOVED dyadic rotations | ||
| * REMOVED reciprocal rotations | ||
| * REMOVED sensitivity gramian centering | ||
| * REMOVED symmetry enforcement option | ||
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| ## emgr 3.9 (2016-02) | ||
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| * IMPROVED built-in chirp input | ||
| * FIXED enforce symmetry option | ||
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| ## emgr 3.8 (2015-12) | ||
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| * ADDED active parameter option | ||
| * ADDED enforce symmetry option | ||
| * IMPROVED observability trajectory transformation | ||
| * CHANGED parameter gramian signal | ||
| * CHANGED default parameter centering to none | ||
| * CHANGED parameter sensitivity gramian is now sparse | ||
| * CHANGED cross-identifiability Schur complement computation to pseudo inverse | ||
| * REMOVED time start from time discretization vector | ||
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| ## emgr 3.6 (2015-10) | ||
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| * ADDED min/max check for parameter gramians | ||
| * ADDED caching for non-symmetric cross gramian | ||
| * CHANGED predefined sparse scales | ||
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| ## emgr 3.5 (2015-10) | ||
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| * ADDED non-symmetric cross Gramian option | ||
| * ADDED logarithmic parameter scale centering | ||
| * CHANGED defualt integrator to Ralston's 2nd order Runge Kutta method | ||
| * FIXED time-series length | ||
| * REMOVED data-driven Gramians option | ||
| * REMOVED symmetrization option (now user responsibility) | ||
| * REMOVED integrator selection option | ||
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| ## emgr 3.1 (2015-05) | ||
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| * ADDED midrange centering | ||
| * ADDED root-mean-squared centering | ||
| * ADDED sparse scales | ||
| * IMPROVED default integrators | ||
| * REMOVED pca centering | ||
| * REMOVED pod centering | ||
| * REMOVED trajectory data argument yd | ||
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| ## emgr 3.0 (2015-03) | ||
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| * ADDED gpu hunts | ||
| * IMPROVED performance for observability gramian product | ||
| * IMPROVED performance for cross gramian product | ||
| * IMPROVED approximate inverse | ||
| * CHANGED constraints for options | ||
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| ## emgr 2.9 (2015-01) | ||
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| * ADDED zero scales check | ||
| * ADDED non-symmetric cross Gramian (w=x, w=j) | ||
| * ADDED version getter (f='version') | ||
| * CHANGED 3rd accelerated Runge-Kutta to improved 3rd order Runge Kutta solver | ||
| * REMOVED 1st order Euler integrator | ||
| * REMOVED 2nd order Adams-Bashforth integrator | ||
| * REMOVED 2nd order Ralston integrator | ||
| * REOMVED 2nd order leapfrog integrator | ||
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| ## emgr 2.5 (2014-09) | ||
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| * ADDED optional linear chirp input | ||
| * ADDED output applicator function | ||
| * ADDED parameter scales | ||
| * CHANGED centering flag values | ||
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| ## emgr 2.2 (2014-06) | ||
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| * ADDED sensitivity Gramian centering | ||
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| ## emgr 2.1 (2014-05) | ||
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| * ADDED zero centering | ||
| * ADDED 3rd order accelerated Runge-Kutta integrator | ||
| * IMPROVED gramian preallocation | ||
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| ## emgr 2.0 (2014-03) | ||
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| * ADDED enforce symmetry option | ||
| * CHANGED config vector order | ||
| * REMOVED rotation configuration | ||
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| ## emgr 1.7 (2014-02) | ||
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| * ADDED 2nd order Ralston integrator | ||
| * ADDED fast approximate inverse | ||
| * ADDED optional input function as handle | ||
| * ADDED constant parameter excitation | ||
| * CHANGED Schur complement behavior | ||
| * CHANGED centering and rotations to lambdas | ||
| * FIXED pod centering | ||
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| ## emgr 1.6 (2013-12) | ||
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| * ADDED empirical linear cross Gramian | ||
| * ADDED custom integrator global handle | ||
| * CHANGED factorial rotations | ||
| * CHANGED config vector name from cf to nf | ||
| * FIXED normalization | ||
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| ## emgr 1.5 (2013-08) | ||
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| * CHANGED parameter argument is now optional | ||
| * REMOVED controllability-observability joint gramian | ||
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| ## emgr 1.3 (2013-07) | ||
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| * ADDED Leapfrog Integrator | ||
| * ADDED observability-only joint gramian | ||
| * ADDED lazy output functional | ||
| * CHANGED output trajectory computation | ||
| * CHANGED tabs to spaces | ||
| * CHANGED identifiability gramian to approximation | ||
| * IMPROVED performance for observability gramian product | ||
| * IMPROVED performance for cross gramian product | ||
| * REMOVED output integrators | ||
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| ## emgr 1.2 (2013-06) | ||
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| * ADDED median centering | ||
| * ADDED 3-tensor storage for observability data | ||
| * IMPROVED performance for observability gramian product | ||
| * IMPROVED performance for cross gramian product | ||
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| ## emgr 1.1 (2013-02) | ||
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| * ADDED Adams-Bashforth integrator | ||
| * IMPROVED source code comments | ||
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| ## emgr 1.0 (2013-01) | ||
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| * ADDED default argument handling | ||
| * ADDED sensitivity Gramian | ||
| * ADDED empirical cross Gramian | ||
| * ADDED empirical joint Gramian | ||
| * ADDED double run option | ||
| * ADDED robust parameter option | ||
| * ADDED sparse option | ||
| * ADDED dirs local function | ||
| * ADDED parfor hints | ||
| * CHANGED configuration flags | ||
| * CHANGED pca to pod | ||
| * CHANGED symmetrization behavior | ||
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| ## emgr 0.9 (2012-10) | ||
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| * Initial release for MoRePaS 2 |
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| Original file line number | Diff line number | Diff line change |
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| Cite As: | ||
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| C. Himpe (2018). emgr - EMpirical GRamian Framework (Version 5.4) [Software]. Available from http://gramian.de . doi:10.5281/zenodo.1241532 | ||
| C. Himpe (2018). emgr - EMpirical GRamian Framework (Version 5.5) [Software]. | ||
| Available from https://gramian.de . doi:10.5281/zenodo.1401500 | ||
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| BibTeX Entry: | ||
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| @MISC{emgr, | ||
| author = {C. Himpe}, | ||
| title = {{emgr - EMpirical GRamian Framework (Version 5.4)}}, | ||
| howpublished = {\url{http://gramian.de}}, | ||
| title = {{emgr - EMpirical GRamian Framework (Version 5.5)}}, | ||
| howpublished = {\url{https://gramian.de}}, | ||
| year = {2018}, | ||
| doi = {10.5281/zenodo.1241532} | ||
| doi = {10.5281/zenodo.1401500} | ||
| } |
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