Research Article

Global Dynamics of the Chaotic Disk Dynamo System Driven by Noise

Table 1

Ultimate boundary for stochastic dynamo system.

Scopes of stochastic processesSimulated results of expectationTheoretical estimates of expectation

−7.692934 ≤ x1 ≤ 7.736921Ex1 = 0.104873|Ex1| ≤ 30.026679
−1.484651 ≤ x2 ≤ 2.785851Ex2 = 0.033916|Ex2| ≤ 5.011244
1.160790 ≤ x3 ≤ 22.686710Ex3 = 19.921792|Ex3| ≤ 30.026679
−1.372995 ≤ x4 ≤ 3.000000Ex4 = 0.248853|Ex4| ≤ 5.011244
2.652947 ≤ r1 ≤ 526.916239Er1 = 410.4154040 ≤ Er1 ≤ 901.601426
0.000000 ≤ r2 ≤ 13.000000Er2 = 0.5256920 ≤ Er2 ≤ 25.112567

.