The subset-sum problem is one of the most frequently occurring NP (nondeterministic, polynomial-time)-complete) problems. It asks whether a subset of numbers in a set of positive integers adds up ...

A number theorist with programming prowess has found a solution to 33 = x³ + y³ + z³, a much-studied equation that went unsolved for 64 years. Now, Andrew Booker, a mathematician at the University of ...

This is a preview. Log in through your library . Abstract Osborne (1975) introduces a modified Prony algorithm for fitting sum of exponential to the real data sets. Smyth (1985) and Osborne and Smyth ...