نتایج جستجو برای: variant kernel prohibits its fast computation especially for large size data unlike time

تعداد نتایج: 12092769  

2011
Ahmed K. Farahat Ali Ghodsi Mohamed S. Kamel

The Nyström method is an efficient technique for obtaining a low-rank approximation of a large kernel matrix based on a subset of its columns. The quality of the Nyström approximation highly depends on the subset of columns used, which are usually selected using random sampling. This paper presents a novel recursive algorithm for calculating the Nyström approximation, and an effective greedy cr...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1389

growing demands and requires of high data rate systems cause significant increase of high frequency systems for wideband communication applications. as mixers are one of the main blocks of each receivers and its performance has great impact on receiver’s performance; in this thesis, a new solution for ku-band (12-18 ghz) mixer design in tsmc 0.18 µm is presented. this mixer has high linearity a...

Common methods to design heat exchanger networks (HENs) by pinch technology usually need an evolutionary step to reduce the number of heat transfer units. This step <span style="font-size: 10pt; color:...

Amir Hossein Taromchi Bahram Kazemi, Mojgan Bandehpour, Sanaz Mahmazi

Background: Interferons with diffrent functions such as antiviral, antiproliferative and immunomodulatory actions are effctive <span style="font-varia...

2009
Lexing Ying

This article reviews several fast algorithms for boundary integral equations. After a brief introduction of the boundary integral equations for the Laplace and Helmholtz equations, we discuss in order the fast multipole method and its kernel independent variant, the hierarchical matrix framework, the wavelet based method, the high frequency fast multipole method, and the recently proposed multi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شاهد - دانشکده هنر 1391

now-a-days graphic design plays a major role in influencing culture, society, business, and customers, in such a way that one could look upon every individual as a potential customer. graphic designers seek to identify customers needs and find an intelligent solution for them. correct identification and understanding of those needs is the first step towards achieving ones goals. marketing knowh...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده اقتصاد 1389

this thesis is a study on insurance fraud in iran automobile insurance industry and explores the usage of expert linkage between un-supervised clustering and analytical hierarchy process(ahp), and renders the findings from applying these algorithms for automobile insurance claim fraud detection. the expert linkage determination objective function plan provides us with a way to determine whi...

2000
Emmanuel Cecchet Cyril Perrin

The SIRAC laboratory has developed SciFS, a Distributed Shared Memory (DSM) tightly integrated with the Linux operating system kernel, that exploits the high performance and remote addressing capabilities of SCI (Scalable Coherent Interface) networks. We experiment with using SciFS to build large scale clustered web caches. An efficient DSM does not only provide a fast and large data storage sp...

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