Dmitry Vetrov

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We describe GTApprox - a new tool for medium-scale surrogate modeling in industrial design. Compared to existing software, GTApprox brings several innovations: a few novel approximation algorithms, several advanced methods of automated model selection, novel options in the form of hints. We demonstrate the efficiency of GTApprox on a large collection of(More)
1. TT-representation for some types of potentials In this section we derive explicit formulae for the TT-representations of two types of potentials: unary and pair-wise Ising. The correctness of each formula immediately follows from the definition of the matrix product. Both the representations are of low TT-rank. One can use the derived formulae instead of(More)
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