نتایج جستجو برای: sperata aor
تعداد نتایج: 7145 فیلتر نتایج به سال:
در این پایان نامه نیمه همگرایی روش تکراری فوق تخفیف شتاب داده شده ( aor) برای مسأله ی کمترین توان های دوم با رتبه ی ناقص را مطالعه می کنیم. شرایط لازم و کافی برای نیمه همگرایی روش های تکراری (jor), (aor)و گوس- سایدل بیان شده است. پارامترهای بهینه و عامل همگرایی وابسته بدست آمده است و در پایان چند مثال عددی برای روشن ساختن نتایج نظری آورده ایم.
Background and Objectives: Sleep disorders include problems involving the quality, timing and amount of sleep, which cause decreased functioning and discomfort during the daytime. Considering the importance of sleep in health and quality of life and the probability of the related disorders in the elderly, this study was conducted to investigate sleep disorders and their risk factors in an elder...
Background and Objectives: This study was conducted to compare the personality type and alexithymia between opiates dependents, concurrent opiates and methamphetamine users and control groups presenting to drug abuse treatment centers in Kerman in 2020. Methods: In this cross-sectional analytical study, three groups with a sample size of 130 participants were recruited through convenience samp...
Background & objectives: Dental caries is one of the most common chronic diseases and affected by many determinants identified as social inequalities. So, this study explored how social determinants of health had impacts on dental health in school children of Hamadan. Methods: This cross-sectional study was conducted based on data related to the examination of 14858 students in Hamadan in 2016...
Background: Chronic opioid use is a major public health problem with significant morbidity. The aim of this study was to investigate factors associated with sustained remission among a sample of Iranian chronic opioid users in Shiraz, Iran.Methods: This was a cross-sectional study to evaluate sustained remission among chronic opiate users aged 20-60 years. Participants included two groups: 365 ...
Phalangogonia Burmeister is revised and now includes eight species: P. dispar Ohaus, P. jamesonae, sp.n., P. lacordairei Bates, P. obesa Burmeister, P. parilis Bates, P. punctata Franz, P. ratcliff ei, sp.n. and P. sperata Sharp. Phalangogonia debilidens Ohaus is placed in synonymy with P. sperata. Lectotypes are designated for the following nominal species: P. dispar Ohaus, P. lacordairei Bate...
In this paper, we will present a modification of the preconditioned AOR-type method for solving the linear system. A theorem is given to show the convergence rate of modification of the preconditioned AOR methods that can be enlarged than the convergence AOR method.
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