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LUDecomposition output?

• Subject: [mg2596] LUDecomposition output?
• From: buchan at metronet.com (John S. Buchan)
• Date: Mon, 27 Nov 1995 21:33:39 -0500
• Approved: usenet@wri.com
• Distribution: local
• Newsgroups: wri.mathgroup
• Organization: Texas Metronet, Inc (login info (214/705-2901 - 817/571-0400))

Can someone tell me how, exactly, is the LUDecomposition output formatted?
I have a symmetric matrix which I need to decompose into a lower and an upper
diagonal matrix, but I cannot find any reference to the command itself.  
Executing LUDecomposition[ ] gives me a single table, but I do not know which 
coefficents belong to which matrix.  Any help will be appreciated.