#include <synthetic.hpp>
Inheritance diagram for syn::devillers_glasser2:
Public Member Functions | |
| double | evaluate (inst::set x) override |
 Public Member Functions inherited from syn::synthetic | |
| synthetic (const std::string &n, u_int dims, double lb, double ub, double opt) | |
| synthetic (const std::string &n, u_int dims, double opt) | |
| ~synthetic () | |
| sspace::sspace_t * | get_search_space () |
| void | set_properties (std::vector< properties > p) |
| std::vector< properties > | get_properties () |
| inst::set | get_opt_param () |
| double | get_opt () |
| void | update_opt (double opt) |
| u_int | get_dims () |
| void | validate_param_set (inst::set x) |
| Public Member Functions inherited from optk::benchmark | |
| benchmark (const std::string &name) | |
| std::string | get_name () |
Additional Inherited Members | |
| Protected Member Functions inherited from syn::synthetic | |
| void | set_opt_param (inst::set op) |
| Protected Attributes inherited from syn::synthetic | |
| u_int | m_dims |
| double | m_lb |
| double | m_ub |
| double | m_opt |
| std::vector< properties > | m_properties |
| inst::set | opt_params |
| sspace::sspace_t | m_sspace |
| Protected Attributes inherited from optk::benchmark | |
| std::string | m_name |
Detailed Description
The deVillers Glasser 2 function has the following formula:
\[ f(\mathbf{x}) = \sum^{16}_{i=1}\left(x_1x_2^{0.1(i-1)}\tanh\big(x_4\cdot 0.1(i-1) + \sin(x_4 \cdot 0.1(i-1))\big)\cos\big(0.1(i-1)e^{x_5} - y_i \right)^2, \]
where
\[ y_i = 53.81 \cdot 1.27^{0.1(i-1)}\tanh\big(3.012 \cdot 0.1(i-1) + \sin(2.13 \cdot 0.1(i-1)\big) \cos\big(e^{0.507} \cdot 0.1(i-1)\big). \]
It is subject to \(-500 \le x_i \le 500\), and has a global minimum at \(\mathbf{x}^* = (53.81, 1.27, 3.012, 2.13, 0.507)\) with value \(f(\mathbf{x}^*) = 0\).
Member Function Documentation
◆ evaluate()
|
overridevirtual |
FIXME improve floating point calculation accuracy for function evaluations
Implements optk::benchmark.
The documentation for this class was generated from the following files:
- includes/benchmarks/synthetic.hpp
- src/benchmarks/synthetic.cpp
