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2001 | OriginalPaper | Buchkapitel

Differential Theory of Convex Functions

verfasst von : Monique Florenzano, Cuong Le Van

Erschienen in: Finite Dimensional Convexity and Optimization

Verlag: Springer Berlin Heidelberg

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In this chapter, we give three notions of differentiability for convex functions. The first one is the directional derivative which always exists inℝ∪ +∞ at any point in the relative interior of the domain of a convex function. While the differential of a function is a linear functional, the directional derivative is only a sublinear function.

Metadaten
Titel
Differential Theory of Convex Functions
verfasst von
Monique Florenzano
Cuong Le Van
Copyright-Jahr
2001
Verlag
Springer Berlin Heidelberg
DOI
https://doi.org/10.1007/978-3-642-56522-9_6

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