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. 2014 Jun 13;9(6):e99015. doi: 10.1371/journal.pone.0099015

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© 2014 Santolini et al

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 properly credited.

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The full interaction matrix is approximated by a matrix built from the Hopfield patterns with highest eigenvalue moduli. We show the Normalized Direct Information matrices computed from , , and the full matrix . For MyoD, the correspondence between successive pairs of patterns and distinct interaction domains (middle, upper left and bottom right) is particularly clear. In all cases the full Direct Information matrix is already well approximated by . The bottom plots show histograms of the eigenvalues of highest moduli (red) and of the other ones (blue). The high eigenvalues lie on both sides of a core of smaller eigenvalues centered around .

Inline graphic — The full interaction matrix is approximated by a matrix built from the Hopfield patterns with highest eigenvalue moduli. We show the Normalized Direct Information matrices computed from , , and the full matrix . For MyoD, the correspondence between successive pairs of patterns and distinct interaction domains (middle, upper left and bottom right) is particularly clear. In all cases the full Direct Information matrix is already well approximated by . The bottom plots show histograms of the eigenvalues of highest moduli (red) and of the other ones (blue). The high eigenvalues lie on both sides of a core of smaller eigenvalues centered around .