Research Article
The Expanded Invasive Weed Optimization Metaheuristic for Solving Continuous and Discrete Optimization Problems
Table 3
The parameters of exIWO and IWO used for minimization of the sphere function.
| | Description | Value (exIWO) | Value (IWO) |
| | Population cardinality | 20 | 20 | | Execution time limit (stop criterion) [s] | 5 | 5 | | Initialization of the first population | Random | Random | | Maximum number of seeds sowed by a weed | 4 | 5 | | Minimum number of seeds sowed by a weed | 0 | 0 | | Initial value of standard deviation | 0.1 | 3 | | Final value of standard deviation | 0.001 | 0.001 | | Nonlinear modulation factor | 10 | 3 | | Number of neighbours and neighbourhoods examined during the rolling down | 1 | — | | Probability of the dispersing | 0.3 | 1 | | Probability of the spreading | 0.3 | 0 | | Probability of the rolling down | 0.4 | 0 | | Selection method | Global | Global |
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