Example shows numeric quadratic function use.
#include "shared-tests/fixture.hh"
#include <iostream>
using namespace roboptim;
BOOST_FIXTURE_TEST_SUITE (core, TestSuiteConfiguration)
BOOST_AUTO_TEST_CASE (numeric_quadratic_function)
{
boost::shared_ptr<boost::test_tools::output_test_stream>
output = retrievePattern ("numeric-quadratic-function");
a.setZero ();
b.setZero ();
x.setZero ();
a(0, 0) = 1.1, a(0, 1) = 1.2, a(0, 2) = 1.3, a(0, 3) = 1.4, a(0, 4) = 1.5;
a(1, 0) = 1.2, a(1, 1) = 2.2, a(1, 2) = 2.3, a(1, 3) = 2.4, a(1, 4) = 2.5;
a(2, 0) = 1.3, a(2, 1) = 2.3, a(2, 2) = 3.3, a(2, 3) = 3.4, a(2, 4) = 3.5;
a(3, 0) = 1.4, a(3, 1) = 2.4, a(3, 2) = 3.4, a(3, 3) = 4.4, a(3, 4) = 4.5;
a(4, 0) = 1.5, a(4, 1) = 2.5, a(4, 2) = 3.5, a(4, 3) = 4.5, a(4, 4) = 5.5;
b[0] = 2.1;
b[1] = 4.3;
b[2] = 6.5;
b[3] = 8.7;
(*output) << f << std::endl;
x[0] = 0.1;
x[1] = 1.2;
x[2] = 2.3;
x[3] = 3.4;
x[4] = 4.5;
(*output) << "f(x) = " << f (x) << std::endl;
(*output) <<
"J(x) = " << f.
jacobian (x) << std::endl;
(*output) <<
"G(x) = " << f.
gradient (x, 0) << std::endl;
(*output) <<
"H(x) = " << f.
hessian (x, 0) << std::endl;
std::cout << output->str () << std::endl;
}
BOOST_AUTO_TEST_SUITE_END ()