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An object-oriented MATLAB toolbox for the approximation of functions and tensors

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ApproximationToolbox features low-rank tensors (including canonical, tensor-train and tree-based tensor formats), sparse tensors, polynomials, wavelets, and allows the plug-in of other approximation tools. It provides different approximation methods based on interpolation, least-squares projection, Galerkin projection or statistical learning.

Cite as: Nouy Anthony, Grelier Erwan and Giraldi Loic. (2020, February 7). ApproximationToolbox. Zenodo.

A Python package with similar features is available at