نتایج جستجو برای: variable property

تعداد نتایج: 412127  

2011
Neri Oxman

Finite element applications have customarily been used as a means for the analysis of constant-property prototypes prior to their physical fabrication. To a lesser extent they have been made instrumental for purposes of design generation and fabrication of variable material-property prototypes. The work explores the potential of applying finite element methods in the early stages of the design ...

2006
Xuerong Mao

Our aim is to study under what conditions the exact and numerical solution (based on equidistant nonrandom partitions of integration time-intervals) to a stochastic differential delay equation (SDDE) share the property of mean-square exponential stability. Our approach is trying to avoid the use of Lyapunov functions or functionals. We show that under a global Lipschitz assumption an SDDE is ex...

2009
Brian D. O. ANDERSON Manfred DEISTLER

Transfer functions of linear, time-invariant finite-dimensional systems with more outputs than inputs, as arise in factor analysis (for example in econometrics), have, for state-variable descriptions with generic entries in the relevant matrices, no finite zeros. This paper gives a number of characterizations of such systems (and indeed square discrete-time systems with no zeros), using state-v...

2010
Stephen Weymouth

What political institutions improve property rights? Building on the work of North and Weingast, this article argues that institutional checks on policymaking discretion (“veto players”) improve the property rights of investors regarding the value of the domestic currency. Veto players constrain the ability of policy makers to opportunistically pursue policy that may lead to a depreciated domes...

Journal: :CoRR 2014
Yuling Jiao Bangti Jin Xiliang Lu

We develop a primal dual active set with continuation algorithm for solving the l-regularized least-squares problem that frequently arises in compressed sensing. The algorithm couples the the primal dual active set method with a continuation strategy on the regularization parameter. At each inner iteration, it first identifies the active set from both primal and dual variables, and then updates...

2013
Henry E. Smith HENRY E. SMITH

2014
Mohammed Zakariah

Random Forest is a popular machine learning tool for classification of large datasets. The Dataset classified with Random Forest Algorithm (RF) are correlated and the interaction between the features leads to the study of genome interaction. The review is about RF with respect to its variable selection property which reduces the large datasets into relevant samples and predicting the accuracy f...

Journal: :IEEE Trans. Pattern Anal. Mach. Intell. 2003
Dorin Comaniciu

The analysis of a feature space that exhibits multiscale patterns often requires kernel estimation techniques with locally adaptive bandwidths, such as the variable-bandwidth mean shift. Proper selection of the kernel bandwidth is, however, a critical step for superior space analysis and partitioning. This paper presents a mean shift-based approach for local bandwidth selection in the multimoda...

Journal: :J. Multivariate Analysis 2012
Peng Lai Qihua Wang Heng Lian

In this paper, we present a generalized estimating equations based estimation approach and a variable selection procedure for single-index models when the observed data are clustered. Unlike the case of independent observations, bias-correction is necessary when general working correlation matrices are used in the estimating equations. Our variable selection procedure based on smooth-threshold ...

Journal: :CoRR 2017
Stanislaw Chrobot Wiktor B. Daszczuk

In the paper notion of communication dualism id formalized and explained in Petri net interpretation. We consider communication dualism a basic property of communication in distributed systems. The formalization is done in the Integrated Model of Distributed Systems (IMDS) where synchronous communication, as well as asynchronous message-passing and variable-sharing are modeled in a common frame...

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