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please solve

• To: mathgroup at smc.vnet.net
• Subject: [mg52915] please solve
• From: rcmcll at yahoo.com
• Date: Thu, 16 Dec 2004 03:41:58 -0500 (EST)
• Sender: owner-wri-mathgroup at wolfram.com

Greetings:

Could someone please solve this symbolically?
This is just the ols formula for beta-hat but I need a symbolic
solution for this special case.

b = inv(x'x)x'y

where

x =  1  t  t^2
1  t  t^2
1  t  t^2


and simplify simplify simplify!!

Thanks,

Bob

• Follow-Ups:
  • Re: please solve
    • From: DrBob <drbob@bigfoot.com>