The original version of this story appeared in Quanta Magazine. In 1939, upon arriving late to his statistics course at UC Berkeley, George Dantzig—a first-year graduate student—copied two problems ...

Prurigo simplex causes intense itchiness and small raised bumps or blisters on the skin. The exact cause of prurigo simplex is unknown, but it can be linked to health problems like diabetes or mental ...

Introduction: In unsupervised learning, data clustering is essential. However, many current algorithms have issues like early convergence, inadequate local search capabilities, and trouble processing ...

In the current research to model anisotropic asymmetric sheet metals a new non-AFR criterion is presented. In the new model, Modified Yld2000-2d proposed by Lou et al. (2013) is considered as yield ...

The downhill method is a numerical method for solving complex equations ƒ(z) = 0 on which the only restriction is that the function w = ƒ(z) must be analytical. An introduction to this method is given ...

If you’ve ever paused a video on TikTok to wonder why it’s being shown to you, you know about the mysteries of the popular short-form video app’s algorithm. A post with no caption and minimal ...

As you move through the shot, remember that there should be no effort to move backwards. Feel your body pressure flow forward, down the slope and towards the target. It may feel uncomfortable at first ...

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Since its creation more than two decades ago by Daniel Spielman (above) and Shang-hua Teng, smoothed analysis has been used to analyze performance of algorithms other than the simplex method, ...

Abstract: Aircraft flight dynamics trim is the basis for the large civil aircraft flight dynamics characteristics analysis. In this paper, the full nonlinear flight dynamics model of civil aircraft is ...