Algebraic structures and linear maps form a cornerstone in modern mathematics, underpinning areas as diverse as abstract algebra and functional analysis.

Linear mixed-effects models are a powerful tool for modelling longitudinal data and are widely used in practice. For a given set of covariates in a linear mixed-effects model, selecting the covariance ...

A linear search is the simplest method of searching a set. Starting at the beginning of the data set, each item of data is examined until a match is made. Once the item is found, the search ends.