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redefine Power[A_?MatrixQ,-1]

• To: mathgroup at smc.vnet.net
• Subject: [mg32593] redefine Power[A_?MatrixQ,-1]
• From: Cyril Fischer <fischerc at itam.cas.cz>
• Date: Thu, 31 Jan 2002 01:45:15 -0500 (EST)
• Organization: Inst. of Theoretical and Applied Mechanics
• Sender: owner-wri-mathgroup at wolfram.com

Hi,
How can I redefine Power[A_?MatrixQ,-1] := Inverse[A] ?

Issuing
Unprotect[Power];
Power[A_?MatrixQ,-1] := Inverse[A]

does not work.
Thanks, Cyril