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bogus comments on Open thread, Sep. 14 - Sep. 20, 2015 - Less Wrong Discussion

3 Post author: MrMind 14 September 2015 07:10AM

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Comment author: bogus 15 September 2015 10:25:57AM 2 points [-]

Sounds like your problem is fitting a sparse matrix, i.e. where you want many entries to be 0. This is usually called compressed sensing, and it's non-trivial.