Description Usage Arguments Value Author(s) References
This function computes the extreme frontier
1 | MaxEntropy(G, w_b, w_0, Constr)
|
G |
map weights -> conditional diversification distribution (square root of, not normalized) |
w_b |
a matrix containing the benchmark weights |
w_0 |
a matrix containing the initial portfolio weights |
Constr |
a list containing the equality and inequality constraints |
x a numeric containing the maximum entropy
N_{ent} \equiv exp \big(-∑_{n=k+1}^N p_{n} ln p_{n} \big), w_{ \varphi } \equiv argmax_{w \in C, μ'w ≥q \varphi } N_{ent} \big(w\big)
Manan Shah mkshah@cmu.edu
A. Meucci - "Managing Diversification", Risk Magazine, June 2009 - Formula (18,19) http://ssrn.com/abstract=1358533
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