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Empirical gramians can be computed for linear and nonlinear control systems for purposes of model order reduction, uncertainty quantification or system identification. Model reduction using empirical gramians can be applied to the state space, the parameter space of dynamical systems and control systems. The emgr framework is a compact open source toolbox for (empirical) gramian-based model reduction and compatible with OCTAVE and MATLAB.


Download version 1.6 (stable)
released on 13 December 2013


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BSD 2Clause

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Software prerequisites

Kind Description
Required to use GNU Octave
Weak prerequisite Mathworks Matlab


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