The authors point out that quantum computers are still plagued by high gate error rates, low qubit counts, and extremely slow ...

The role of megafaunal exploitation in early human evolution remains debated. Occasional use of large carcasses by early hominins has been considered by some as opportunistic, possibly a fallback ...

Objective functions involving constant functions of a matrix parameter sometimes lead to a compilation failure. Specifically, the AddExpression object has no attribute '_lazy_canonical_form.' This is ...

If you have experience with R or want a quick way to generate a regression with statsmodels using a pandas DataFrame, you can use R-style formulas. First, you need to import statsmodels and its ...

On 12 November 2025, Google has launched a special animated Doodle titled “Learning the Quadratic Equation (India)” a vibrant ...

The technology that has helped propel the simulation theory may be new, but the questions it explores are ancient.

Abstract: The covariance matrix is a fundamental secondorder statistic in signal and information processing that quantifies the linear relationships among multiple variables. When data evolves rapidly ...

A vast amount of time series datasets are organized into structures with different levels or hierarchies of aggregation. Examples include cross-sectional aggregations such as categories, brands, or ...