نتایج جستجو برای: convex func

تعداد نتایج: 55702  

Journal: :international journal of nonlinear analysis and applications 2012
l. stanciu d. breaz

in this paper, we study the convexity of the integral operator

Journal: :Math. Program. 1991
Michael C. Ferris

where q~ is a c losed, convex func t ion def ined on R n, having values in ~ and S is a c losed, convex set in ~n. We write S for the op t ima l so lu t ion set o f (1), S : = arg minxes cb(x) and assume this set to be non-empty , in o rde r tha t a p ro jec t ion o p e r a t i o n on to this set is well def ined. In o rde r to s impl i fy our analysis , let us define , b ~ ( x ) := ¢~(x )+~, (...

1997
MICHEL BRION

We obtain residue formulae for certain functions of several vari-ables. As an application, we obtain closed formulae for vector partition func-tions and for their continuous analogs. They imply an Euler-MacLaurin sum-mation formula for vector partition functions, and for rational convex poly-topes as well: we express the sum of values of a polynomial function at alllattice p...

Journal: : 2022

We discuss whether on not it is possible to have interpolatory estimates in the approximation of a function Sobolev`s space by polynomials. The prob-lem positive estimate pointwise degree approxi-mation r times continuously differentiable and func-tions [0, 1]. Estimates form (1) for are known ([1, 2]). problem monotone that estimating de-gree nondecreasing bymonotone were proved [3, 4, 7]. In ...

Journal: :CoRR 2017
Fanhua Shang Yuanyuan Liu James Cheng Jiacheng Zhuo

Recently, research on accelerated stochastic gradient descentmethods (e.g., SVRG) has made exciting progress (e.g., lin-ear convergence for strongly convex problems). However,the best-known methods (e.g., Katyusha) requires at leasttwo auxiliary variables and two momentum parameters. Inthis paper, we propose a fast stochastic variance reductiongradient (FSVRG) method...

Journal: :IEEE Trans. Computers 1988
Wen-Tsuen Chen Jang-Ping Sheu

In a previous paper, the authors defined a new class ofmultiple-valued logic functions, called multiple-valued majority func-tions. This correspondence clarifies the distinction of multiple-valuedmajority functions from multiple-valued threshold functions through thedifference between a number function and an inner product of an inputvector and a weight vector. Zndcx Terns-I...

Journal: :Math. Oper. Res. 1984
Jean-Pierre Aubin

We d e r i v e t h e L i p s c h i t z dependence of t h e s e t of s o l u t i o n s of a convex minimizat ion problem and i t s Lagrange m u l t i p l i e r s upon t h e n a t u r a l parameters from an Inve r se Funct ion Theorem f o r se t -valued maps. Th i s r e q u i r e s t h e use of con t ingen t and Clarke d e r i v a t i v e s of se t -valued maps, a s w e l l a s gene ra l i zed se...

Journal: :Manufacturing Technology 2022

Over the next few years, LEDs are likely to be responsible for all of vehicle's exterior lighting func-tions. Everything is focused on maximum security. For this reason, there more and automatic color detection systems in car. Proper separation key optimal operation proper evaluation these systems. An example correct traffic light colors. The automotive industry dependent consistency predictabi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بوعلی سینا - دانشکده علوم پایه 1391

abstract: in this thesis, we focus to class of convex optimization problem whose objective function is given as a linear function and a convex function of a linear transformation of the decision variables and whose feasible region is a polytope. we show that there exists an optimal solution to this class of problems on a face of the constraint polytope of feasible region. based on this, we dev...

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