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The Theory of the Concave Grating
Journal of the Optical Society of America, 1945Not ...
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The Piecewise Concave Function
Management Science, 1967An important function which is neither concave nor convex often arises in production and inventory models. This function is herein called piecewise concave and can be considered to be a generalization of the concave function. Essentially it is the maximum of a collection of concave functions.
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Concave learners for rankboost
J. Mach. Learn. Res., 2007Summary: Rankboost has been shown to be an effective algorithm for combining ranks. However, its ability to generalize well and not overfit is directly related to the choice of weak learner, in the sense that regularization of the rank function is due to the regularization properties of its weak learners.
Ofer Melnik, Yehuda Vardi, Cun-Hui Zhang
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BIT Numerical Mathematics, 2000
Interval arithmetic provides various techniques to construct upper and lower bounds of function values \(f(x)\), \(x\in X\) where \(X\) is a \(n\)-dimensional box. Well-known means for obtaining these bounds are interval extensions. The bounds, however, can be quite crude.
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Interval arithmetic provides various techniques to construct upper and lower bounds of function values \(f(x)\), \(x\in X\) where \(X\) is a \(n\)-dimensional box. Well-known means for obtaining these bounds are interval extensions. The bounds, however, can be quite crude.
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Concave PtCo nanocrosses for methanol oxidation reaction
Applied Catalysis B: Environmental, 2020Xian Jiang, Gengtao Fu, Yawen Tang
exaly
Quasi-concavity and pseudo-concavity of cubic functions
Mathematical Programming, 1973openaire +2 more sources
On impact behaviors of 3D concave structures with negative Poisson’s ratio
Composite Structures, 2022K Wang, Song Yao
exaly