Research Article

Nonlinear Analysis of Return Time Series Model by Oriented Percolation Dynamic System

Figure 7

The scaled probability density functions of return intervals on the same threshold in a log-log plot. (a), (b), (c), and (d) Plots of versus for = 0.5, 1, 1.5, and 2, respectively.
612738.fig.007a
(a)
612738.fig.007b
(b)
612738.fig.007c
(c)
612738.fig.007d
(d)