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Log semiring. In mathematics, in the field of tropical analysis, the log semiring is the semiring structure on the logarithmic scale, obtained by considering the extended real numbers as logarithms. That is, the operations of addition and multiplication are defined by conjugation: exponentiate the real numbers, obtaining a positive (or zero ...
The National Register of Historic Places-listed Nothnagle Log House in Gibbstown, New Jersey, was originally listed for $2.9 million in 2015. Owner Doris Rink sold it for $262,000 to a buyer who ...
The history of logarithms is the story of a correspondence (in modern terms, a group isomorphism) between multiplication on the positive real numbers and addition on the real number line that was formalized in seventeenth century Europe and was widely used to simplify calculation until the advent of the digital computer.
Definition. A boundary Q-divisor on a variety is a Q -divisor D of the form Σ diDi where the Di are the distinct irreducible components of D and all coefficients are rational numbers with 0≤ di ≤1. A logarithmic pair, or log pair for short, is a pair ( X, D) consisting of a normal variety X and a boundary Q -divisor D .
Google Docs is an online word processor included as part of the free, web-based Google Docs Editors suite offered by Google, which also includes Google Sheets, Google Slides, Google Drawings, Google Forms, Google Sites and Google Keep. Google Docs is accessible via an internet browser as a web-based application and is also available as a mobile ...
Logarithmically concave function. In convex analysis, a non-negative function f : Rn → R+ is logarithmically concave (or log-concave for short) if its domain is a convex set, and if it satisfies the inequality. for all x,y ∈ dom f and 0 < θ < 1. If f is strictly positive, this is equivalent to saying that the logarithm of the function, log ...
A log-linear model is a mathematical model that takes the form of a function whose logarithm equals a linear combination of the parameters of the model, which makes it possible to apply (possibly multivariate) linear regression. That is, it has the general form. in which the fi(X) are quantities that are functions of the variable X, in general ...
See also. Wikipedia:Deletion log. This log has moved to Special:Log/delete. For deletions and restorations before December 23, 2004, see: Final archive (December 2004) (6771 deletions/restorations) December 2004 (1) (7651 deletions/restorations) November 2004 (3) (4759 deletions/restorations)