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#include <Eigen/Core>
#include <iostream>
class MyVectorType : public Eigen::VectorXd
{
public:
MyVectorType(void):Eigen::VectorXd() {}
// This constructor allows you to construct MyVectorType from Eigen expressions
template<typename OtherDerived>
MyVectorType(const Eigen::MatrixBase<OtherDerived>& other)
: Eigen::VectorXd(other)
{ }
// This method allows you to assign Eigen expressions to MyVectorType
template<typename OtherDerived>
MyVectorType& operator=(const Eigen::MatrixBase <OtherDerived>& other)
{
this->Eigen::VectorXd::operator=(other);
return *this;
}
};
int main()
{
MyVectorType v = MyVectorType::Ones(4);
v(2) += 10;
v = 2 * v;
std::cout << v.transpose() << std::endl;
}
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