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mlpack::optimization::test::WoodFunction(3) | MLPACK | mlpack::optimization::test::WoodFunction(3) |
NAME¶
mlpack::optimization::test::WoodFunction - The Wood function, defined by f(x) = f1(x) + f2(x) + f3(x) + f4(x) + f5(x) + f6(x) f1(x) = 100 (x2 - x1^2)^2 f2(x) = (1 - x1)^2 f3(x) = 90 (x4 - x3^2)^2 f4(x) = (1 - x3)^2 f5(x) = 10 (x2 + x4 - 2)^2 f6(x) = (1 / 10) (x2 - x4)^2 x_0 = [-3, -1, -3, -1].SYNOPSIS¶
Public Member Functions¶
WoodFunction ()
Private Attributes¶
arma::mat initialPoint
Detailed Description¶
The Wood function, defined by f(x) = f1(x) + f2(x) + f3(x) + f4(x) + f5(x) + f6(x) f1(x) = 100 (x2 - x1^2)^2 f2(x) = (1 - x1)^2 f3(x) = 90 (x4 - x3^2)^2 f4(x) = (1 - x3)^2 f5(x) = 10 (x2 + x4 - 2)^2 f6(x) = (1 / 10) (x2 - x4)^2 x_0 = [-3, -1, -3, -1]. This should optimize to f(x) = 0, at x = [1, 1, 1, 1]. Definition at line 93 of file test_functions.hpp.Constructor & Destructor Documentation¶
mlpack::optimization::test::WoodFunction::WoodFunction ()¶
Member Function Documentation¶
double mlpack::optimization::test::WoodFunction::Evaluate (const arma::mat &coordinates)¶
const arma::mat& mlpack::optimization::test::WoodFunction::GetInitialPoint () const¶
void mlpack::optimization::test::WoodFunction::Gradient (const arma::mat &coordinates, arma::mat &gradient)¶
Member Data Documentation¶
arma::mat mlpack::optimization::test::WoodFunction::initialPoint [private]¶
Definition at line 104 of file test_functions.hpp.Author¶
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