ABSTRACT: Under variable-speed conditions in modern industry, rolling bearing vibration signals are highly non-stationary, and fault features are easily obscured by speed interference and noise.

Pattern matching method is one of the classic classifications of existing online portfolio selection strategies. This article aims to study the key aspects of this method—measurement of similarity and ...

Read ahead for a detailed guide on short-distance vs. long-distance running and figure out which running style suits you best. “In today's world, there's a deep need to feel belonging, and it's hard ...

As anyone who’s ever been in one can attest, making a long-distance relationship work is challenging—yes, even if you’re super into each other. But despite what a skeptical friend, family member, or ...

The fast and accurate evaluation of sensitivities can be a hard task. Recent advances, such as adjoint algorithmic differentiation, are unfortunately ineffective on second order Greeks, such as gamma, ...

Abstract: Given a matroid (S, ℐ) and a utility vector c associated with elements of S, the inverse matroid optimization problem is to modify the vector c as little as possible such that a given set I ...