How to create symmetric matrix that is stable?

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Ljix
Ljix il 24 Feb 2016
Risposto: Walter Roberson il 25 Feb 2016
How to create symmetric matrix that is stable, i.e. Re(eigenvalue)<0?

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Walter Roberson
Walter Roberson il 25 Feb 2016
Let D be the vector of desired eigenvalues. Then one such matrix is
compan(poly(D))
Credit: Tim Davis in https://www.mathworks.com/matlabcentral/newsreader/view_thread/252328

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