نتایج جستجو برای: trace constraint

تعداد نتایج: 144250  

Journal: :IEEE Transactions on Signal Processing 2022

The present paper proposes a data-driven sensor selection method for high-dimensional nondynamical system with strongly correlated measurement noise. proposed is based on proximal optimization and determines locations by minimizing the trace of inverse Fisher information matrix under block-sparsity hard constraint. can avoid difficulty noise, in which possible must be known advance calculating ...

Journal: : 2021

The computation of the trace Fisher information matrix in this work is carried out terms sensitivity functions output variables. It essential that corresponding performed a feedback loop, which leads to application dynamic programming method differs from standard scheme. difference lies need solve system linear algebraic equations synthesis control sequence. use such scheme justified, and neces...

Journal: :Mathematics 2023

This paper proposes a general definition of an undominated maximal relation on constraint set. No specific requirement is imposed either the asymmetry objective or set (which might, might not, coincide with ground relation). Several characterizations are formulated that express maximals as some trace associated relation. By means these characterizations, structure entire examined in particular ...

Journal: :iranian journal of radiation research 0
k. moosavi van de graff laboratory, nuclear science research school, nuclear science and technology research institute (nstri), tehran, iran s. vatankhah van de graff laboratory, nuclear science research school, nuclear science and technology research institute (nstri), tehran, iran j. salimi vascular surgery department, sina hospital, tehran university of medical sciences, tehran, iran m. moradi van de graff laboratory, nuclear science research school, nuclear science and technology research institute (nstri), tehran, iran

background: proton induced x-ray emission (pixe) has been applied as reliable and improved techniques in this study to compare concentration of various trace elements in normal and abnormal varicose veins. materials and methods: five samples from normal veins and 13 samples from varicose veins bombarded by 2.0 mev energy proton beams produced by a van de graff accelerator in vacuum. two specime...

Journal: :international journal of environmental research 2013
a.h. bu-olayan b.v. thomas

this study assesses the effect of major trace metals levels in wastewater discharges and sedimentfrom twenty four permanent and five semi-permanent wastewater drain outlets into the kuwait coast. theeffect of trace metals levels released from untreated wastewater discharges to euchelus asper, gastropod was also determined. results showed high trace metal levels in e. asper tissues, followed by ...

Journal: :modares journal of medical sciences: pathobiology 2010
lida moghadam banaem elahe seddighi looye anoushirvan kazemnejad azam afshar

objective: considering the various evidences due to effects of trace elements on the outcome of pregnancy, we decided to assess the effect of these elements levels in maternal and cord serum on low birth weight. materials and methods: an analytical cross-sectional study was performed on 344 pregnant women in labour and their neonates in maryam, akbarabadi and vali-e-asr hospitals in tehran, ir...

Journal: :medical journal of islamic republic of iran 0
z ghoreshi sk ahaley i rasooli from the department of biochemistry, government medical college, miraj, india, and the dept. of biology, shahed university, tehran, i.r. iran.

hemodialysis is being implicated in the development of metabolic disturbances, as complications have been observed and the role of trace metals in their development has been questioned. in 78 renal failure patients who underwent hemodialysis, serum levels of zinc and copper were determined before and after first hemodialysis. acute and chronic renal failure patients were found to have lower ser...

Journal: :wavelets and linear algebra 0
hossein momenaee kermani department of pure mathematics, faculty of mathematics and computer, shahid bahonar university of kerman

in this paper we study triangularization of collections of matrices whose entries come from a finite-dimensional division ring. first, we give a generalization of guralnick's theorem to the case of finite-dimensional division rings and then we show that in this case the reduced trace function is a suitable alternative for trace function by presenting two triangularization results. the firs...

Journal: :international journal of health policy and management 2015
irene akua agyepong

a major constraint to the application of any form of knowledge and principles is the awareness, understanding and acceptance of the knowledge and principles. systems thinking (st) is a way of understanding and thinking about the nature of  health systems and how to make and implement decisions within health systems to maximize desired and minimize undesired effects. a major constraint to applyi...

H. Saidi, P. Khadivi, S. Samavi, T. D. Todd,

Multi-constraint quality-of-service routing will become increasingly important as the Internet evolves to support real-time services. It is well known however, that optimum multi-constraint QoS routing is computationally complex, and for this reason various heuristics have been proposed for routing in practical situations. Among these methods, those that use a single mixed metric are the mo...

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