What determines whether or not a matrix is stable?

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SUMMARY

The stability of a matrix is determined by the eigenvalues (\lambda) of the matrix A. To assess stability, one must compute the determinant of the characteristic equation, represented as \Delta = A - \lambda I. The eigenvalues provide critical insights into the behavior of the matrix, particularly in relation to stability conditions.

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Tonyt88
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Basically, I'm having difficulty understanding the concept of stability, I have reread the chapter in my book various times, but to no avail. Can anybody give a very brief overview in simplified terms as to what determines whether or not a matrix is stable. Thanks.
 
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You're posting this in the algebra section. So do you mean things like stability conditions of representations of quivers? I doubt it. What topic do you really mean?
 
Judging from your earlier post: https://www.physicsforums.com/showthread.php?p=1301361#post1301361 ...

you want to find the stability in terms of the eigenvalues [tex]\lambda[/tex] of an [tex]n\times n[/tex] matrix [tex]A[/tex].

In which case, you first step is to compute the determinant of [tex]\Delta[/tex]; the characteristic equation given by [tex]\Delta=A-\lambda I[/tex].
 

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