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2010 Apr 10
1
minimization function
Hi all, I am trying to minimize the quardratic form w'Aw, with certain constraints. In particular, (1) A=(a_{ij}) is n by n matrix and it is symmetric positive definite, a_{ii}=1 for all i; and 0<a_{ij}<1 for i not equal j. (2) w'1=n; (3) w_{i}>=0 Analytically, for n=2, it is easy to come up with a...