- subderivative
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/sub'di riv"euh tiv/, n.a word derived from a derivative.[SUB- + DERIVATIVE]
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Universalium. 2010.
subderivative
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Subderivative — Sub de*riv a*tive, n. A word derived from a derivative, and not directly from the root; as, friendliness is a subderivative, being derived from friendly , which is in turn a derivative from friend. [1913 Webster] … The Collaborative International Dictionary of English
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 — 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
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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
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