The Rubaiyat rubÃ¡iyÃ¡t is A persian form of several. Quatrains its name derives from The arabic plural of the word for, Quatrain'ruba. RubÃ¡, iyah Ã­yah, this in turn Comes From&the, arabic rub.. aacute meaning fourust because you start with the intention of writing a Rubaiyat, rubÃ¡iyÃ¡t you do not have to keep your poem in that form if it does not work for you and your. Collaborators your attempt to write a formal poem may help you find words that you would not have found. otherwise
(plural scientific models) An approximation or simulation of a real system that omits all but the most essential variables of the system.
The model is the most basic element of the scientific method. Everything done in science is done with models. A model is any simplification, substitute or stand-in for what you are actually studying or trying to predict. Models are used because they are convenient substitutes, the way that a recipe is a convenient aid in cooking.