نتایج جستجو برای: second order

تعداد نتایج: 1405224  

J. Vakili S. Nadi,

Although prox-regular functions in general are nonconvex, they possess properties that one would expect to find in convex or lowerC2  functions. The class of prox-regular functions covers all convex functions, lower C2  functions and strongly amenable functions. At first, these functions have been identified in finite dimension using proximal subdifferential. Then, the definition of prox-regula...

Journal: :iranian journal of science and technology (sciences) 2005
c. tunc

sufficient conditions are established under which the zero solution x = 0 of equation (2) isunstable.

Journal: :فلسفه و کلام 0

the second law of thermodynamic (entropy principle) is of special theo-philosophical importance. it seems that this law, which is renowned as “the death of software design” and despite the order in the world, is like an incompatible universal. this article examines the concept of entropy in the three temperature, statistic, and information applications and addresses the contradiction of the sec...

Journal: :computational methods in civil engineering 2011
m. rezaee–pajand y. kadkhodaye bahre

this study focuses on the optimization of the plane structure. sequential quadratic programming (sqp) will be utilized, which is one of the most efficient methods for solving nonlinearly constrained optimization problems. a new formulation for the second order sensitivity analysis of the two-dimensional finite element will be developed. all the second order required derivatives will be calculat...

Journal: :amirkabir international journal of modeling, identification, simulation & control 2015
v. behnamgol a. r. vali i. mohammadzaman

in this paper, a new smooth second order sliding mode control is proposed. this algorithm is a modified form of super twisting algorithm. the super twisting guarantees the asymptotic stability, but the finite time stability of proposed method is proved with introducing a new particular lyapunov function. the proposed algorithm which is able to control nonlinear systems with matched structured u...

Journal: :bulletin of the iranian mathematical society 0
mircea crasmareanu faculty of mathematics university "al. i. cuza" iasi, 700506

given a pair (semispray $s$, metric $g$) on a tangent bundle, the family of nonlinear connections $n$ such that $g$ is recurrent with respect to $(s, n)$ with a fixed recurrent factor is determined by using the obata tensors. in particular, we obtain a characterization for a pair $(n, g)$ to be recurrent as well as for the triple $(s, stackrel{c}{n}, g)$ where $stackrel{c}{n}$ is the canonical ...

Journal: :Journal of Physics A: Mathematical and Theoretical 2007

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