From: "A.Appleyard" <A DOT APPLEYARD AT fs2 DOT mt DOT umist DOT ac DOT uk>
To: djgpp AT delorie DOT com
Date: Tue, 19 Dec 1995 13:13:18 GMT
Subject: Re: 3*3 eigenvalues
Message-ID: <52C08F7797B@fs2.mt.umist.ac.uk>

  wtanksle AT sdcc15 DOT ucsd DOT edu (William Tanksley) wrote (Subject: Re: 3*3
eigenvalues):-

> Here's a rough summary: a matrix can be used to transform a vector in
> certain ways....

/* matrix * eigenvector = eigenvalue * eigenvector */

An n*n square matrix X has n eigenvectors V1 to Vn (each with n elements), and
n eigenvalues x1 to xn (scalars). For i = 1 to n, X*Vi = xi*Vi . All or some
of the eigenvectors and eigenvalues may be complex (i.e. not real).