Abstract: This paper investigates the optimal guidance for hypersonic vehicles to achieve the maximum downrange. To handle the complex constraints during the reentry flight, we design a novel barrier ...

If the Excel YEAR function is not working on your Windows 11/10 PC, change the cell format, convert text dates to real dates, ...

Build stable, high-performance dashboards using REPT formulas and UNICHAR symbols instead of conditional formatting.

Discover 8 2026 Excel updates, including AI formula creation and a year of change history, so your team works quicker with fewer mistakes.

Fix "fake" numbers, strip hidden web spaces, and join text professionally using Excel's built-in legacy and modern tools.

Discover 15 modern Excel functions for 2026, including Group By and Scan, so you speed up your workflows, summaries and ...

I THINK the story of the Philippines in the coming decade will not be about technology versus people. It will be about how ...

Mathematics can be challenging for many students, whether it's basic algebra, complex calculus, or tricky word problems. Often, the hardest part isn't just getting the answer, but understanding how to ...

Abstract: Decision tree boosting algorithms, such as XGBoost, have demonstrated superior predictive performance on tabular data for supervised learning compared to neural networks. However, recent ...