differential sign

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• Differential diagnosis — Intervention MeSH D003937 A differential diagnosis (sometimes abbreviated DDx, ddx, DD, D/Dx, or ΔΔ) is a systematic diagnostic method used to identify the presence of an entity where multiple alternatives are …   Wikipedia

• Differential stress — is the difference between the greatest and the least compressive stress experienced by an object. For both the geological and civil engineering convention σ1 is the greatest compressive stress and σ3 is the weakest, . In other engineering fields… …   Wikipedia

• Differential geometry of surfaces — Carl Friedrich Gauss in 1828 In mathematics, the differential geometry of surfaces deals with smooth surfaces with various additional structures, most often, a Riemannian metric. Surfaces have been extensively studied from various perspectives:… …   Wikipedia

• Differential (infinitesimal) — For other uses of differential in calculus, see differential (calculus), and for more general meanings, see differential. In calculus, a differential is traditionally an infinitesimally small change in a variable. For example, if x is a variable …   Wikipedia

• Differential algebraic equation — In mathematics, differential algebraic equations (DAEs) are a general form of (systems of) differential equations for vector–valued functions x in one independent variable t, where is a vector of dependent variables and the system has as many… …   Wikipedia

• sign —    by John Lechte   Marx developed a political economy based on a productivist and materialist metaphysic. He argued that the world of work and labour power were the key elements in understanding the fetishism of the commodity form in bourgeois… …   The Baudrillard dictionary

• Differential form — In the mathematical fields of differential geometry and tensor calculus, differential forms are an approach to multivariable calculus that is independent of coordinates. Differential forms provide a better[further explanation needed] definition… …   Wikipedia

• Differential calculus — The graph of a function, drawn in black, and a tangent line to that function, drawn in red. The slope of the tangent line equals the derivative of the function at the marked point. Topics in Calculus …   Wikipedia

• Sign (semiotics) — In semiotics, a sign is something that stands for something else, to someone in some capacity [Marcel Danesi and Paul Perron, Analyzing Cultures .] . It may be understood as a discrete unit of meaning, and includes words, images, gestures, scents …   Wikipedia

• Differentiation under the integral sign — Topics in Calculus Fundamental theorem Limits of functions Continuity Mean value theorem Differential calculus  Derivative Change of variables Implicit differentiation Taylor s theorem Related rates …   Wikipedia

• Laplacian operators in differential geometry — In differential geometry there are a number of second order, linear, elliptic differential operators bearing the name Laplacian. This article provides an overview of some of them. Connection Laplacian The connection Laplacian is a differential… …   Wikipedia