Researchers in China have achieved a major leap in quantum photonics by generating a massive 60-mode entangled cluster state ...

Despite being separated by millions of years of evolution, dogs and cats have evolved similar skull shapes due to ...

In particular, they used a "covariance matrix" to flesh out patterns within the data using a statistical technique called principal-component analysis (PCA). PCA is a widely used technique to ...

The technique extracts cross-diagonal elements from the covariance matrix to form Toeplitz matrices, then averages them using a counting matrix to effectively decorrelate signals. This provides more ...

"Because the thing you are estimating is much, much smaller than the entire covariance matrix, you can do it much, much faster," Sridhar explains. This means that one can scale up to much larger ...

We first analyze how the cross-covariance matrix and the number of measurements in centralized CL systems, based on extended Kalman filter (EKF), impact positioning accuracy. Our theoretical analysis ...

Flat prior (not usually recommended); Super-vague but proper prior: normal(0, 1e6) (not usually recommended); Weakly informative prior, very weak: normal(0, 10); Generic weakly informative prior: ...

Laurence Fishburne is not sure if he will ever reprise his role of Morpheus in The Matrix universe. The actor appeared on The View and said the team “didn’t respond well” after he pitched ...

Laurence Fishburne's absence from "The Matrix: Resurrections" was one of the film's biggest talking points. The movie, which came out in 2021, served as the series' reintroduction to the sci-fi ...

“I offered my services to the fourth Matrix, and they didn’t respond well to that,” Fishburne said during an appearance on The View, adding that “for whatever reason”, they rejected his ...