Open in new window / Try shogun cloud
--- Log opened Wed Dec 12 00:00:38 2012
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shogun-buildbotbuild #172 of nightly_all is complete: Failure [failed compile]  Build details are at http://www.shogun-toolbox.org/buildbot/builders/nightly_all/builds/17203:08
shogun-buildbotbuild #215 of nightly_default is complete: Failure [failed compile]  Build details are at http://www.shogun-toolbox.org/buildbot/builders/nightly_default/builds/21503:14
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n4nd0wiking: hello hello20:55
wikingn4nd0: hey20:56
wikingso here's a question20:57
wikingok i'll put it in latex format just a sec20:57
n4nd0ok20:57
wikingso it's the usual struct svm: \min_{w,\xi_i >= 0} \frac{1}{2} ||w||^2_2 + C \sum_{n} \xi_n21:00
wikingwith s.t.21:00
wiking\forall n \in pos\  w*\Psi(x_n, y_n) >= 1 - \xi_n21:00
wiking\forall n \in neg \forall y\  w*\Psi(x_n, y) =< -1 + \xi_n21:00
wiking{pos} = positive examples21:01
wiking{neg} = negatives21:01
n4nd0ok21:01
wikinghow would u construct this problem with PrimalMosek? :)21:02
n4nd0mmm let's see21:03
n4nd0wiking: you don't want to use the loss anywhere?21:07
wikingnoup21:08
n4nd0ok21:09
n4nd0so right now what the Primal does looks similar to the positive constraints21:10
wikingmmm isn't it w* \delta\psi(...)21:11
wiking?21:11
wikingwhere \delta psi is \psi(...) - \psi(...)21:11
n4nd0oh yeah sorry21:12
wikingprediction - ground truth21:12
n4nd0I read \Psi like that directly, sorry21:12
n4nd0mmmm21:13
n4nd0so it looks to me like that problem cannot be solved with it right now21:13
n4nd0some things should be added / modified21:13
n4nd0what I mean is that I don't think there is a way to do it directly with the current implementation, like changing some input or parameter21:15
wikingyep21:17
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wikinglol21:50
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--- Log closed Thu Dec 13 00:00:38 2012