نتایج جستجو برای: aussian elimination

تعداد نتایج: 56077  

Journal: :journal of mathematical modeling 2014
huamin zhang hongcai yin rui ding

in this paper, we present a numerical algorithm for solving matrix equations $(a otimes b)x = f$  by extending the well-known gaussian elimination for $ax = b$. the proposed algorithm has a high computational efficiency. two numerical examples are provided to show the effectiveness of the proposed algorithm.

2011
Joseph F. Grcar

G aussian elimination is universally known as “the” method for solving simultaneous linear equations. As Leonhard Euler remarked, it is the most natural way of proceeding (“der natürlichste Weg” [Euler, 1771, part 2, sec. 1, chap. 4, art. 45]). Because Gaussian elimination solves linear problems directly, it is an important technique in computational science and engineering, through which it ma...

In this paper, we present a numerical algorithm for solving matrix equations $(A otimes B)X = F$  by extending the well-known Gaussian elimination for $Ax = b$. The proposed algorithm has a high computational efficiency. Two numerical examples are provided to show the effectiveness of the proposed algorithm.

Journal: :archives of clinical infectious diseases 0
masoud mardani infectious diseases and tropical medicine research center, shahid beheshti university of medical sciences, tehran, ir iran; infectious diseases and tropical medicine research center, shahid beheshti university of medical sciences, tehran, ir iran. tel: +98-2122439963-8, fax: +98-21-22439964

Journal: :journal of arthropod-borne diseases 0
gholmreza hassanpour center for research of endemic parasites of iran, tehran university of medical sciences, tehran, iran department of medical parasitology and mycology, school of public health, tehran university of medical sciences, tehran, iran mehdi mohebali center for research of endemic parasites of iran, tehran university of medical sciences, tehran, iran department of medical parasitology and mycology, school of public health, tehran university of medical sciences, tehran, iran hojjat zeraati department of epidemiology and biostatistics, school of public health, tehran university of medical sciences, tehran, iran ahmad raeisi center for research of endemic parasites of iran, tehran university of medical sciences, tehran, iran hossein keshavarz center for research of endemic parasites of iran, tehran university of medical sciences, tehran, iran department of medical parasitology and mycology, school of public health, tehran university of medical sciences, tehran, iran

background: the ob­jective of this study was to find an appropriate approach to asymptomatic malaria in elimination setting through a systematic review. methods: a broad search was conducted to find articles with the words ‘malaria’ in their titles and ‘asymptomatic’ or ‘submicroscopic’ in their texts, irrespective of the type of study conducted. the cochrane, medline/pubmed, and scopus databas...

Journal: :physical chemistry and electrochemistry 0

propene dissociation channels were characterized by ab initio ccsd(t)/6-311++g(d,p) calculations. inthis work the detailed mechanism of propene dissociation to c2h4+ch2, c2h2+h+ch3, c2h2+ch4 andc3h3+h2+h have been investigated. according to our calculations, ten fragments can be classified intofive dissociated channels. our results point out that two mechanisms come into play in the h2 eliminat...

Journal: :iranian journal of parasitology 0
sakineh pirahmadi malaria and vector research group (mvrg), biotechnology research center (brc), pasteur institute of iran, tehran, iran sedigheh zakeri malaria and vector research group (mvrg), biotechnology research center (brc), pasteur institute of iran, tehran, iran ahmad raeisi national programme manager for malaria control, ministry of health and medical education, tehran, iran

background: asymptomatic malaria infection provides a reservoir of parasites, causing the persistence of malaria transmission. it accounts an important challenge for successful management of the control, elimination, and eradication programmes in any malaria-endemic region. this investigation was designed to assess the presence and the prevalence of asymptomatic carriers in iranshahr district o...

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