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. 2016 Feb 12;11(2):e0148655. doi: 10.1371/journal.pone.0148655

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© 2016 Tuia, Camps-Valls

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 9 — Error of the approximation, $Error ≔ ‖ {\hat{K}}_{d}^{- 1} {\hat{K}}_{s} - K_{d}^{- 1} K_{s} ‖_{F}$ as a function of the number of samples n (left) and number of random features m (right) used in the approximation of the eigensystem equation of KEMA.