A note on approximation in Tensor Chain format
Mike Espig, Kishore Kumar Naraparaju, and Jan Schneider
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Submission date: 14. Mar. 2012 (revised version: September 2013)
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This note deals with the approximation of d-dimensional tensors, as discrete representations of arbitrary functions f(x1,…,xd) on [0,1]d, in the so-called Tensor Chain format using Cross Approximation methods.