One ball on a Plinko board is unpredictable. Drop a thousand and they form a near-perfect bell curve—one of math’s most powerful ideas for 150+ years.

Discover how to calculate covariance to assess stock relationships and optimize your portfolio, balancing risk and potential ...

Abstract: The open-ended rectangular waveguide is a simple radiating structure, and a lot of effort is being spent on calculating the reflection coefficient or admittance of the structure accurately.

Lazaro Calderin et al. have programmed a new code with similar capabilities for newer versions of Quantum Espresso and compatible with PAW pseudopotentials. Here:http ...

The ipw package provides a flexible toolkit for estimating Inverse Probability Weights (IPW) to fit marginal structural models. Functions to estimate the probability to receive the observed treatment, ...

Abstract: The electromechanical response of ceramics has long been described with Landau Devonshire phenomenology, wherein the strain response is linked to a polynomial expansion in electric field or ...

Objective To assess the prevalence of frailty in rheumatoid arthritis (RA) and its association with baseline and longitudinal disease activity, all-cause mortality and hospitalisation. Participants ...

The book gives a detailed account of the development of the theory of algebraic equations, from its origins in ancient times to its completion by Galois in the nineteenth century. The appropriate ...