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please solve

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


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


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

and simplify simplify simplify!!



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