(a)
(b)
(c)
(d)
Figure 11: When , , and , opinion leader influences the polarization of Internet group opinions. (a) Opinions distribution at 100 time steps; the opinion of opinion leader is −0.45 now. (b) Opinions distribution at 1000 time steps; the opinion of opinion leader changes to −1. (c) Opinions of group change with times. (d) Histogram of final distribution of group opinions.