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Solve the eigenvalues of the matrix A1,thx!~

• To: mathgroup at smc.vnet.net
• Subject: [mg123481] Solve the eigenvalues of the matrix A1,thx!~
• From: ç ç <z.tong1017 at gmail.com>
• Date: Thu, 8 Dec 2011 05:27:39 -0500 (EST)
• Delivered-to: l-mathgroup@mail-archive0.wolfram.com

A1 = {{-1/2*S22*\[Chi]^2 + I*a21*\[Chi],
    I/(2*\[HBar])*\[CapitalDelta], -I/(2*\[HBar])*\[CapitalDelta],
    0}, {I/(2*\[HBar])*\[CapitalDelta],
    2*S12/\[HBar] - S22*X^2/2 - 2*S11/\[HBar] -
     I*\[Epsilon]/\[HBar] - 2*I*\[Lambda]/\[HBar],
    0, -I/(2*\[HBar])*\[CapitalDelta]}, {-I/(2*\[HBar])*\
\[CapitalDelta],
    0, -2*S12/\[HBar] - S22*X^2/2 - 2*S11/\[HBar] +
     I*\[Epsilon]/\[HBar] + 2*I*\[Lambda]/\[HBar],
    I/(2*\[HBar])*\[CapitalDelta]}, {0, \
-I/(2*\[HBar])*\[CapitalDelta],
    I/(2*\[HBar])*\[CapitalDelta], -1/2*S22*\[Chi]^2 +
     I*a21*\[Chi]}} // MatrixForm
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Copy above these into mathematica~

• Follow-Ups:
  • Re: Solve the eigenvalues of the matrix A1,thx!~
    • From: Bob Hanlon <hanlonr357@gmail.com>