Combined Data with Particle Swarm Optimization for Structural Damage Detection

Table 1

Benchmark test functions.

Name	Formula	n	Range
Sphere	𝑓1(𝑥)=∑^𝑛𝑖=1𝑥^2𝑖	30	[−100,100]^𝑛
Rosenbrock	𝑓2(𝑥)=∑^𝑛−1𝑖=1100𝑥𝑖+1−𝑥^2𝑖^2+𝑥𝑖−1^2	30	[−30,30]^𝑛
Rastrigin	𝑓3(𝑥)=∑^𝑛𝑖=1𝑥^2𝑖−10cos2𝜋𝑥𝑖+10	30	[−5.12,5.12]^𝑛