In Mathematics, there are no shortcuts to understanding, but there are definitely smarter paths to scoring well.

Abstract: This paper focuses on analyzing the resilience of rail transit system based on improved linear programming models. An improved commuter flow model is developed to estimate system status.

Update (2025/10/31): Incorporated QOJ OCR data from @cjwen6. Thanks a lot for the contribution! Also added HTTPS. Simplify the statement & remove background by prompting LLM. Embed the simplified ...

Explore linear drag in one dimension with this clear physics example and solution! Learn how resistive forces affect motion, see step-by-step calculations, and understand the concepts behind linear ...

California’s plan to hit its richest residents with a one-off wealth tax is a long shot, and its design has problems. But a look at who picks up the tab when billionaires scrimp on taxes, and how ...

Abstract: This letter presents an enhanced Trust Region Method (TRM) for Sequential Linear Programming (SLP) designed to improve the initial feasible solution to a constrained nonlinear programming ...

Name, image and likeness (NIL) deals have flooded college sports with hundreds of millions of dollars — but universities and team general managers have been operating with little formal oversight, ...