(a)
(b)
(c)
(d)
Figure 15: When , , and , two opinion leaders influence the polarization of Internet group opinions. (a) Opinions distribution at 100 time steps; the opinion of two opinion leaders is −0.6 and 0.8, respectively. (b) Opinions distribution at 1000 time steps; the opinion of two opinion leaders changes to −1 and 1, respectively. (c) Opinions of group change with time when there are two opinion leaders. (d) Histogram of final distribution of group opinions.