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A river delta is so named because the shape of the Nile Delta approximates the triangular uppercase Greek letter delta.The triangular shape of the Nile Delta was known to audiences of classical Athenian drama; the tragedy Prometheus Bound by Aeschylus refers to it as the "triangular Nilotic land", though not as a "delta". [8]
Delta commonly refers to: ... Delta (science magazine) Delta, 1987; Delta FM or Delta Radio, a former UK radio station; Businesses and organizations.
Delta (/ ˈ d ɛ l t ə /; [1] uppercase Δ, lowercase δ; Greek: δέλτα, délta, ) [2] is the fourth letter of the Greek alphabet. In the system of Greek numerals, it has a value of four. It was derived from the Phoenician letter dalet 𐤃. [3] Letters that come from delta include the Latin D and the Cyrillic Д.
the Kronecker delta function [3] the Feigenbaum constants [4] the force of interest in mathematical finance; the Dirac delta function [5] the receptor which enkephalins have the highest affinity for in pharmacology [6] the Skorokhod integral in Malliavin calculus, a subfield of stochastic analysis; the minimum degree of any vertex in a given graph
In combinatorics or computer science, sometimes [] with denotes the set {,,, …,} of positive integers up to n, with [] =. Image of a subset : if S is a subset of the domain of the function f , then f [ S ] {\displaystyle f[S]} is sometimes used for denoting the image of S .
Delta (letter) (Δ), a Greek letter also used in mathematics and computer science; Delta baryon (Δ), one of several Baryons consisting of up and down quarks. alt-J (Δ), a British indie band; Laplace operator (Δ), a differential operator; Increment operator (∆)
The delta potential is the potential = (), where δ(x) is the Dirac delta function. It is called a delta potential well if λ is negative, and a delta potential barrier if λ is positive. The delta has been defined to occur at the origin for simplicity; a shift in the delta function's argument does not change any of the following results.
Delta-v is typically provided by the thrust of a rocket engine, but can be created by other engines. The time-rate of change of delta-v is the magnitude of the acceleration caused by the engines, i.e., the thrust per total vehicle mass. The actual acceleration vector would be found by adding thrust per mass on to the gravity vector and the ...