Research Article

Semi-Supervised Ensemble Classifier with Improved Sparrow Search Algorithm and Its Application in Pulmonary Nodule Detection

Table 1

18 benchmark functions.

NameTest functionRange

Sphere
Schwefel P2.22
Schwefel P1.2
Schwefel 2.21
Generalized Rosenbrock
Step
Noise
Generalized Rastrigin
Ackley
Generalized Griewank
Generalized Penalized 1
Generalized Penalized 2