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. 2012 Mar 1;8(3):e1002399. doi: 10.1371/journal.pcbi.1002399

Figure 5. Aspect of the transfer functions at regimes closer and closer to the bifurcation to alternans.

Figure 5

A: Transfer functions Ht→a and Ht→d in a theoretical first-order memoryless model given by APDn = f(DIn −1), with α being the slope of f. B, C and D: Transfer functions Ht→a and Ht→d in the three versions of the Sato et al. model, computed by eigenmode analysis at various BCLs.