template <typename ElementType>

class TypedMatrix {

public:

void write_matrix_csv(const TypedMatrix<double> &matrix, const string path);

private:

vector> matrix;

};

Write a method (C++):

void write_matrix_csv(const TypedMatrix<double> &matrix, const string path);

that writes a comma separated value (CSV) file of doubles from a matrix. Test that you can write and read a matrix and get the same matrix back.