The Examples of Applications of the Agent Systems - A Perspective on Agent Systems - page 117

niche

niche
individual

migration

of the
individual

reproduction

migration of individuals
and creation
of a new niche

unification
of niches

Fig. 5.22 Schema presenting the interactions between the subjects and niches in the NCoEMAS

system

25

NCoEMAS

20

15

ACoEMAS

10

5

SCoEMAS

EMAS

0

0 500 1000 1500 2000 2500 3000 3500

ts

Fig. 5.23 The number of extrema localized by the evolution systems EMAS , SCoEMAS , ACoEMAS
and NCoEMAS at the time of formation of species. Ne —the number of localized extrema, ts —time
of simulation

The solution to the task is to indicate of local extrema (minima) of the Rastrigin
function f R . In the example we study the function has 25 local extrema. The aim of
the experiments (agents) was to localize as large (possibly all) number of extrema as
possible. The indication of an extremum involves creating societies of agents in its
direct neighbourhood (surroundings).