Abstract: Estimating low-rank positive-semidefinite (PSD) matrices from symmetric rank-one measurements is of great importance in many applications, such as high-dimensional data processing, quantum ...

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Caroline Banton has 6+ years of experience as a writer of business and finance articles. She also writes biographies for Story Terrace. Thomas J. Brock is a CFA and CPA with more than 20 years of ...

Abstract: The problem of determining the location of the hospital's department to minimize the total distance traveled by patients can be formulated as a Quadratic assignment problem (QAP), one of the ...

A mathematical brain teaser challenges people to solve the matchstick equation in just two moves. The puzzle uses matchsticks to create an equation that shows 3 + 3 = 8 and instructs viewers to make ...

There are tough problems that every business faces, and they can slow things down, make budgets stretch, or put off decisions. It takes time to deal with these problems, and most businesses don’t have ...

Brainteasers are more than just puzzles as they're mental workouts designed to challenge your mind. Brain teasers come in various forms and difficulty levels and offers different levels of difficulty.

A back-to-basics brain teaser is dividing the internet. BholanathDutta shared the sum 100 + 100 × 4 = ? on X, formerly Twitter, sparking debate among users. At first glance, many people speed to the ...