One of the most basic things students do in a physics lab is to collect data and use that to build a model. Most of these models come in the form of a mathematical function. But here is the problem.

This is a preview. Log in through your library . Abstract In this paper conventional concepts of aliases and confounding are used to analyse several two-level fractional factorial designs constructed ...

The very restrictive nature of systems of supply and demand functions which have constant elasticities is well known. The same is not true of single constant own-price elasticity demand functions.