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Re: identity matrix

• To: mathgroup at smc.vnet.net
• Subject: [mg49938] Re: identity matrix
• From: wygsh at msn.com (benman)
• Date: Sat, 7 Aug 2004 03:51:30 -0400 (EDT)
• References: <bcs9my6pvraj@legacy>
• Sender: owner-wri-mathgroup at wolfram.com

the former

On 5 Aug 04 19:23:07 -0400 (EDT), Mark wrote:
>Is the identity matrix strictly a matrix with 1's along the principal
>diagonal (and zeros elsewhere), or is a matrix which reduces (through
>row and column operations) to the above form also the identity
matrix.