[R] Solution of function

From: Megh Dal <megh700004_at_yahoo.com>
Date: Wed, 07 May 2008 01:11:34 -0700 (PDT)


Hi,    

  I want to find solution of function : f(x,y) = x'Cx - a under constraints :    

  0 < x,y < p
  0 < x-y< q    

  where a, p,q are given constants and x = (x, y) and C is a 2X2 matrix (given)    

  Can anyone suggest me any R function to do that?                



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