Function sixHumpCamelBack

test/testingutilities.cpp:553–557

double sixHumpCamelBack(DenseVector x)
{
    assert(x.rows() == 2);
    return (4 - 2.1*x(0)*x(0) + (1/3.)*x(0)*x(0)*x(0)*x(0))*x(0)*x(0) + x(0)*x(1) + (-4 + 4*x(1)*x(1))*x(1)*x(1);
}

double getOneNorm(const DenseMatrix &m)
{