搜索结果: 151-165 共查到“知识库 数学 approximation”相关记录165条 . 查询时间(0.05 秒)
A spectral scheme is considered for solving the barotropic vorticity equation. The error estimates are proved strictly. The technique used in this paper is also useful for other nonlinear problems def...
EXPONENTIAL CONVERGENCE OF SAMPLE AVERAGE APPROXIMATION METHODS FOR A CLASS OF STOCHASTIC MATHEMATICAL PROGRAMS WITH OMPLEMENTARITY CONSTRAINTS
Stochastic mathematical programs with complementarity constraints Sample average approximation Weak stationary points Exponential convergence
2007/12/11
In this paper, we propose a Sample Average Approximation (SAA) method
for a class of Stochastic Mathematical Programs with Complementarity
Constraints (SMPCC) recently considered by Birbil, G\"{u}rk...
Pointwise Simultaneous Approximation by Combinations of Baskakov Operators
Baskakov operator combination simultaneous approximation modulus of smoothness
2007/12/11
In this paper, we investigate the relation between the rate of convergence for the derivatives of the combinations of Baskakov operators and the smoothness for the derivatives of the functions approxi...
Coincidence Theorems with Applications to Minimax Inequalities, Section Theorem, Best Approximation and Multiobjective Games in Topological Spaces
admissible set-valued mapping generalized $R$-KKM mapping transfer compactly open-valued compactly local intersection property multiobjective game
2007/12/11
Some new coincidence theorems involving admissible set-valued mappings are proved in general noncompact topological spaces. As applications, some new minimax inequalities, section theorem, best approx...
Non-Linear Approximation of Functions With Mixed Smoothness by sets of Finite Pseudo-Dimension
pseudo-dimension non-linear width mixed smoothness
2007/12/11
In this paper, the non-linear approximation on the class of multivariate functions with bounded mixed derivatives is investigated, and the asymptotic degree of the non-linear width on this class is de...
STOCHASTIC APPROXIMATION IN REAL TIME:A PIPE LINE APPROACH
STOCHASTIC APPROXIMATION IN REAL TIME:A PIPE LINE APPROACH
2007/12/10
A new approach for stochastic approximation in real time is developed. A number of processors are simultaneously active to carry out a computing task. All processors work on the same system with diffe...
The Approximation Complexity of Win-Lose Games
The Approximation Complexity Win-Lose Games
2012/11/29
We further our algorithmic and structural understanding of Nash equilibria.
Computing Nash Equilibria: Approximation and Smoothed Complexity
Computing Nash Equilibria Approximation Smoothed Complexity
2012/11/29
We advance significantly beyond the recent progress on the algorithmic complexity of Nash equilibria by solving two major open problems in the approximation of Nash equilibria and in the smoothed anal...
Quadratic approximation to plane parametric curves and its application in approximate implicitization
Rational approximation Conics Parametric curves Approximate implicitization
2013/9/9
Expressing complex curves with simple parametric curve segments is widely used in computer graphics, CAD and so on. This paper applies rational quadratic B-spline
curves to give a globalC1 continuous...
Approximation of Continuous Funtions Using Fejer Sums of Jacobi-Fourier Series
Jacobi-Fourier series Fejer sums continuous funtions approximation
2012/10/11
The pointwise estimates of approximation of continuous function() f xby Fejer sums ,(,)nf xαβσ of its Jacobi-Fourier series have been investigated, which improved the results of Li Z K for points.1 x ...
Let X be a Banach space, (I,m) be a finite measure space, and F be an increasing subadditive continuous function on [0,+\infty) with F(0)=0. In the present paper, we discuss the best p-simultaneous ap...
Rational quadratic approximation to real algebraic curves
Real algebraic curve Parametrization Approximation Topology determination
2013/9/9
An algorithm is proposed to give a global approximation of an implicit real plane algebraic curve with rational quadratic B-spline curves. The algorithm consists of four steps: topology determination,...
On Simultaneous Approximation by a Linear Combination of a New Sequence of Linear Positive Operators
Simultaneous approximation Linear positive operators Linear combination Voronovskaja-type asymptotic formula Modulus of continuity
2010/2/26
In [1] we introduced a new sequence of linear positive operators Mn to approximate unbounded continuous functions of exponential growth on [0,\infty). As this sequence is saturated with O(n-1), to acc...
On a Problem of Mahler Concerning the Approximation of Exponentials and Logarithms
Mahler Concerning Approximation of Exponentials Logarithms
2010/11/1
We first propose two conjectural estimates on Diophantine approximation of logarithms of algebraic numbers. Next we discuss the state of the art and we give further partial results on this topic.
Local tree-width, excluded minors, and approximation algorithms
Local tree-width excluded minors approximation algorithms
2010/11/1
The local tree-width of a graph G=(V,E) is the function ltw^G: N -> N that associates with every natural number r the maximal tree-width of an r-neighborhood in G. Our main graph theoretic result is ...