PSO variants

Inertia weight equation

Initial parameters

Complexity

Shi et al. [10] [11]

wi = 0.3, wf = 0.9

mxMUL + 4xmxADD + mxDIV

Chatterjee et al. [12]

wi = 0.3, wf = 0.9 & np = 0.7

mxMUL + 4xmxADD + mxDIV + mxPOW(np)

Feng et al. [13] [14]

wi = 0.3, wf = 0.9, z = 0.1

2xmxMUL + 4xmxADD + mxDIV

Lei et al. [15]

s = 0.8, β = n/m

mxMUL + 2xmxADD + 2xmxDIV

Zheng et al. [16]

n = current iteration

mxDIV + POW(0.3)

Jia et al. [15]

winitial = 1.1, u = 1.0002

(n(n + 1)m)/2xMUL

PSO-TVW1

mxMUL + mxADD

PSO-TVW2

N = 40

mxADD + mxDIV + (m − n)xDIV

PSO-TVW3

N = 40

mxADD + mxDIV + (m − n)xDIV + mxPOW(0.5)