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quadprog for constrained maximisation
I am trying to rewrite the following maximisation problem in quadprog format. max{w} (w'.M - r) / (w S w)^-0.5 subject to ...
8 years 前 | 1 个回答 | 0
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Table data grouping, ordering and recording duplicates
Hello I have a table that looks like following: % *ID1 ID2 Name Date* 1b11 g121 John ...
8 years 前 | 2 个回答 | 0
