Opinion

Surge pricing is broken – but there’s a smarter way to match gig workers with consumers

Millions of Americans tap their smartphone screens daily to order rides, groceries or dinner, hooked on the seamless convenience of the gig economy. Yet beneath this frictionless interface lies a ...
The Straits Times

‘Some flourish while others struggle’: NIE study finds five different paths of lower-income students

SINGAPORE – A local study has found that secondary school students from lower-income families are not a homogeneous group held back by a lack of resources. Researchers from the National Institute of ...
IEEE

An Adaptive Sampling Method Based on Expected Improvement Function and Residual Gradient in PINNs

Abstract: In recent years, physics-informed neural networks (PINNs) have developed significantly as a deep learning technology. In analogy to the selection of grid cells in traditional numerical ...
Nature

What is the expectation maximization algorithm?

Probabilistic models, such as hidden Markov models or Bayesian networks, are commonly used to model biological data. Much of their popularity can be attributed to the existence of efficient and robust ...
IEEE

Interharmonics Analysis Based on Interpolating Windowed FFT Algorithm

Abstract: The interharmonics, which are the same as integer harmonics, have serious impacts on the design of harmonics compensation equipment. Therefore, it is important to measure interharmonics ...