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. 2013 Feb 4;110(8):3071–3076. doi: 10.1073/pnas.1222618110

Table 1.

Ising interactions learned by sampling 20 × 20 patches from layers 5, 6, and 7

λ = 5 λ = 6 λ = 7 D(i, j)
H −0.017 ± 0.006 −0.049 ± 0.002 −0.006 ± 0.001 0
J1 0.34 ± 0.04 0.24 ± 0.04 0.16 ± 0.03 1
J2 0.14 ± 0.01 0.11 ± 0.004 0.09 ± 0.004 √2
J3 0.05 ± 0.01 0.05 ± 0.01 0.05 ± 0.01 2
J4 0.000 ± 0.007 0.004 ± 0.003 0.013 ± 0.003 √5

Ising interactions used in Eq. 2 are averaged over pairs (i, j) subjected to the distance D(i, j) given in the last column.