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Submodular Function Optimization

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from Submodular Function Optimization by Andreas Krause
This toolbox provides functions for maximizing and minimizing submodular set functions.

sfo_fn_wrapper(fn) 
% Implementation by Andreas Krause (krausea@gmail.com)
% Takes a function handle fn (a set function, mapping an array to a real
% number), and wraps it as a sfo_fn object
% Example: fn = @(A) length(sfo_unique_fast(A)); F = sfo_fn_wrapper(fn); F([1 2 2 4 3])
function F = sfo_fn_wrapper(fn)
F.fn = fn;
F = class(F,'sfo_fn_wrapper',sfo_fn);

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