Eigenvalue Problem
- To: mathgroup at smc.vnet.net
- Subject: [mg16894] Eigenvalue Problem
- From: Peter Haesser <phuesser at bluewin.ch>
- Date: Mon, 5 Apr 1999 02:24:28 -0400
- Organization: Swisscom AG, the blue window
- Sender: owner-wri-mathgroup at wolfram.com
Hello everybody I am trying to solve the eigenvalue problem for the following matrix: m = {{10 A, 0, B, 0, 0, 0}, {0, -2 A, 0, C, 0, 0}, {B, 0, -8 A, 0, C, 0}, {0, C, 0, -8 A, 0, B}, {0, 0, C, 0, -2 A, 0}, {0, 0, 0, B, 0, 10 A}} which is symmetric. Now mathematica returns some complex eigenvalues which is not possible for a real, symmetric matrix. Can anybody help me ? Maybe the error occurs because mathematica means that the coefficients are complex but how can I make them real ? Thank's in advance for any help. Peter Huesser
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