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