#include "Nvector.h" class TwoDimCoordSystem { Nvector v1; Nvector v2; TwoDimCoordSystem(const Nvector& v1, const Nvector& rhs); Nvector getVectorByCoordinates(size_t coordX, size_t coordY) const; Nvector getCoordinatesByVector(const Nvector& other) const; };