#includeEigen::Vector3f v(1.0f, 2.0f, 3.0f); std::cout << "The vector is: " << v << std::endl;
#includeIn this example, we use the Vector3f class from the SFML library to create a new vector with values (1.0, 0.0, 0.0). We then multiply it by a scalar value of 2.0 and print out the resulting vector components. In both examples, the package/library used to define the Vector3f class is specified at the beginning of the code file (e.g. `#includesf::Vector3f v(1.0f, 0.0f, 0.0f); v *= 2.0f; std::cout << "The new vector is: " << v.x << ", " << v.y << ", " << v.z << std::endl;