**Subderivative** — In mathematics, the concepts of subderivative, subgradient, and subdifferential arise in convex analysis, that is, in the study of convex functions, often in connection to convex optimization. Let f : I →R be a real valued convex function defined … Wikipedia

**subderivative** — “+ noun Etymology: sub + derivative : a word derived from a derivative friendliness is a subderivative from friendly which is derived from friend * * * /sub di riv euh tiv/, n. a word derived from a derivative. [SUB + DERIVATIVE] … Useful english dictionary

**subderivative** — /sub di riv euh tiv/, n. a word derived from a derivative. [SUB + DERIVATIVE] * * * … Universalium

**subderivative** — noun a) A word derived indirectly from a derivative of another b) The slope of a line that either touches, or is below the line of a convex function … Wiktionary

**subderivative** — sub·derivative … English syllables

**Absolute value** — For the philosophical term, see Value (ethics). For the Akrobatik album, see Absolute Value (album). In mathematics, the absolute value (or modulus) |a| of a real number a is the numerical value of a without regard to its sign. So, for example,… … Wikipedia

**Convex function** — on an interval. A function (in black) is convex if and only i … Wikipedia

**List of numerical analysis topics** — This is a list of numerical analysis topics, by Wikipedia page. Contents 1 General 2 Error 3 Elementary and special functions 4 Numerical linear algebra … Wikipedia

**Weak derivative** — In mathematics, a weak derivative is a generalization of the concept of the derivative of a function ( strong derivative ) for functions not assumed differentiable, but only integrable, i.e. to lie in the Lebesgue space L^1( [a,b] ). See… … Wikipedia

**List of mathematics articles (S)** — NOTOC S S duality S matrix S plane S transform S unit S.O.S. Mathematics SA subgroup Saccheri quadrilateral Sacks spiral Sacred geometry Saddle node bifurcation Saddle point Saddle surface Sadleirian Professor of Pure Mathematics Safe prime Safe… … Wikipedia