Optimal Modal Reduction

Version 1.0.0.0 (3.22 KB) by Janardhanan Sivaramakrishnan
Optimal Reduced Order State Space
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Updated 19 Sep 2008

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The code computes the optimal reduced order state space model for a given system represented in state space.

The method used to find the reduced order model is based on the paper by Chidambara.

M. R. Chidambara and E. J. Davison, " Further remarks on simplifying linear dynamical systems", IEEE Trans. Auto. Contr. (Correspondence), Vol. 12, pp. 213-214, Apr. 1967.

[A_1,B_1,C_1,D_1,r_opt]=reduced_model(A,B,C,D);

would result in ss(A_1,B_1,C_1,D_1) being the optimal reduced order model for the state space ss(A,B,C,D). The optimal order is given in the output variable r_opt.

Cite As

Janardhanan Sivaramakrishnan (2026). Optimal Modal Reduction (https://uk.mathworks.com/matlabcentral/fileexchange/21483-optimal-modal-reduction), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R14
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes
1.0.0.0