نتایج جستجو برای: collocation method

تعداد نتایج: 1632274  

Journal: :journal of studies in learning and teaching english 0
linda samadi department of foreign languages, islamic azad university, sepidan branch, sepidan, iran maryam bahardoust department of foreign languages, islamic azad university, qeshm branch, qeshm, iran rahman sahragard department of foreign languages, shiraz university, shiraz, iran

the importance and howness of language learning/ acquisition has been a great concern for decades. there are many factors that play important roles in this regard. this research compared the performance of native persian and english elementary students to see if there is any significant difference between the two groups and which type of collocation they performed better within the groups. for ...

Journal: :Int. J. Math. Mathematical Sciences 2005
Edris Rawashdeh Dave McDowell Leela Rakesh

The numerical stability of the polynomial spline collocation method for general Volterra integro-differential equation is being considered. The convergence and stability of the newmethod are given and the efficiency of the newmethod is illustrated by examples. We also proved the conjecture suggested by Danciu in 1997 on the stability of the polynomial spline collocation method for the higher-or...

2004
Yajuan Lü Ming Zhou

Collocation translation is important for machine translation and many other NLP tasks. Unlike previous methods using bilingual parallel corpora, this paper presents a new method for acquiring collocation translations by making use of monolingual corpora and linguistic knowledge. First, dependency triples are extracted from Chinese and English corpora with dependency parsers. Then, a dependency ...

2010
Hermann Brunner

We show that various (discrete) methods for the approximate solution of Volterra (and Abel) integral equations of the first kind correspond to some discrete version of the method of (recursive) collocation in the space of (continuous) piecewise polynomials. In a collocation method no distinction has to be made between equations with regular or weakly singular kernels; the regularity or nonregul...

Journal: :Adv. Comput. Math. 2013
Junmin Xiao Qiya Hu

In this paper we propose a convergence acceleration method for collocation solutions of the linear second-kind Volterra integral equations with proportional delay qt (0 < q < 1). This convergence acceleration method called multilevel correction method is based on a kind of hybrid mesh, which can be viewed as a combination between the geometric meshes and the uniform meshes. It will be shown tha...

Journal: :Computational Statistics & Data Analysis 2012
Wenpo Huang Lianjie Shu Wei Jiang

The exponentially weighted moving average chart of the squared deviation (EWMAS) is often applied for monitoring changes such as step shifts and linear drifts in process variation when no subgrouping is available. This paper analyzes the performance of the EWMAS chart under drifts in process variation. A fast and accurate algorithm based on the piecewise collocation method is presented for comp...

1999
W. Keller

The collocation problem for noisy data with a piecewise constant noise variance is considered. An equivalence to the WIENERKOLMOGOROV equations in stationary collocation theory is constructed. A numerical solution based on HAAR wavelets is given.

2010
Todd Dupont

Let the parabolic problem cix, t, u)ut = aix, t, u)uxx + bix, t, u, ux), 0 < x < 1, 0 < / á T, uix, 0) = fix), w(0, t) = gli), ií(1, t) = giit), be solved approximately by the continuous-time collocation process based on having the differential equation satisfied at Gaussian points £,,i and £;,2 in subintervals (x,-_i, x¡) for a function l/:[0, T] —» 3C3, the class of Hermite piecewise-cubic po...

1986
A. H. AHMED K. WRIGHT

This paper is concerned with error estimates for the numerical solution of linear ordinary differential equations by global or piecewise polynomial collocation which are based on consideration of the differential operator involved and related matrices and on the residual. It is shown that a significant advantage may be obtained by considering the form of the residual rather than just its norm.

Journal: :Journal of Systems and Software 2014
Elisa Gonzalez Boix Christophe Scholliers Wolfgang De Meuter Theo D'Hondt

In tuple space approaches to context-aware mobile systems, the notion of context is defined by the presence or absence of certain tuples in the tuple space. Existing approaches define such presence either by collocation of devices holding the tuples or by replication of tuples across all devices. We show that both approaches can lead to an erroneous perception of context. Collocation ties the p...

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