Using the above equation, a certain velocity, which gradually gets close to pbest and gbest can be calculated. The current position (searching point in the solution space) can be modified by the following equation:
Fig.7 shows a concept of modification of a searching point
by PSO and Fig. 8 shows a searching concept with agents in a
solution space. Each agent changes its current position using
the integration of vectors as shown in Fig. 7.
Figure 7. Concept of Modification of searching point by PSO.