min f(x) = x - x using PSO with 4 particles Position r2= Velocity v1 1 x1 4 0.2 X2 6 v2 3 xpbest Neighbors r1 = 2 X2, X3 0.4 3 x3, x4 0.1 5 x1, x2 0.8 2 X1, X3 0.6 0.3 w=0.3 w1=0.3 w2=0.4 x3 8 v3 2 0.6 X4 10 V4 4 0.5 Perform one step of PSO for the particle x2, and obtain the value of x2 at iteration k+1 min f(x) = x - x using PSO with 4 particles Position r2= Velocity v1 1 x1 4 0.2 X2 6 v2 3 xpbest Neighbors r1 = 2 X2, X3 0.4 3 x3, x4 0.1 5 x1, x2 0.8 2 X1, X3 0.6 0.3 w=0.3 w1=0.3 w2=0.4 x3 8 v3 2 0.6 X4 10 V4 4 0.5 Perform one step of PSO for the particle x2, and obtain the value of x2 at iteration k+1