Grade school math students are likely familiar with teachers admonishing them not to just guess the answer to a problem. But a new proof establishes that, in fact, the right kind of guessing is ...

This is a preview. Log in through your library . Abstract Given a system of linear equations with more equations than unknowns, we seek to determine that vector of unknowns which minimizes the norm of ...

Sometimes, it’s easy for a computer to predict the future. Simple phenomena, such as how sap flows down a tree trunk, are straightforward and can be captured in a few lines of code using what ...

This is a preview. Log in through your library . Abstract A model of a complete system of k linear expenditure functions introduced by Leser in 1960 [6, 7] has the advantage of great computational ...