Cellular Harmony Search for Optimization Problems

Figure 7

The benchmark functions landscape where the value of 𝑁=2 (2 dimensions).

(a)  2D sphere function

(b) 2D Schwefel's problem 2.22

(c) 2D step function

(d) 2D Rosenbrock function

(e) 2D Rotated hyper-ellipsoid function

(f) 2D Schwefel's problem 2.26 function

(g) 2D Rastrigin function

(h) 2D Ackley function

(i) 2D Griewank function

(j) Six-Hump Camel-Back function