Table 1.
Parameters.
| Parameter | Value |
|---|---|
| Modified FA global control parameters | |
| Number of fireflies-solutions (SN) | Depends on N |
| Number of iterations (IN) | Depends on SN |
| Abandonment threshold (AT) | Depends on SN and IN |
| Exploration breakpoint (EBP) | Depends on IN |
|
| |
| FA search parameters | |
| Initial value for randomization parameter α | 0.5 |
| Attractiveness at r = 0, β 0 | 0.2 |
| Absorption coefficient γ | 1.0 |
|
| |
| Portfolio parameters | |
| Number of potential securities (N) | Depends on the problem |
| Number of assets in portfolio (K) | 10 |
| Initial value of risk aversion (λ) | 0 |
| Different λ values (ξ) | 51 |
| Lower asset's weight (ε) | 0.01 |
| Upper asset's weight (δ) | 1.0 |
| Lower bound of entropy (L E) | [0, lnK] |
|
| |
| Constraint-handling parameters | |
| Initial violation tolerance (υ) | 1.0 |
| Decrement (dec) | 1.002 |