نتایج جستجو برای: science of dreams
تعداد نتایج: 21203479 فیلتر نتایج به سال:
این پایان نامه برداشتی از مقاله ارائه داده شده توسط ham guoqiang [department of computer science, south china univ. of tech.]است . که در آن بسط خطای حدی از یک روش collocation گسسته برای معادلات انتگرال از نوع hammerstein بدست آمده است . در آنجا نشان داده شده است که وقتی برای تقریب انتگرال معین در این روش از چندجمله ایهای قطعه قطعه ای از درجه p-1 و کوادراتور عددی استفاده شود. جواب تقریبی شامل تو...
Using a large database (∼ 215 000 records) of relevant articles, we empirically study the “complex systems” field and its claims to find universal principles applying to systems in general. The study of references shared by the papers allows us to obtain a global point of view on the structure of this highly interdisciplinary field. We show that its overall coherence does not arise from a unive...
بررسی کمی و کیفی استنادها به تولیدات علمی نویسندگان صاحب نام در رشته های مختلف موضوعی در پایگاه وب علوم، آی.اس.آی (isi web of science) طی سالهای 2000 - 2009 به کوشش نجمه رفیع در این پژوهش به بررسی کمی و کیفی استنادها به تولیدات علمی نویسندگان صاحب نام در رشته های مختلف موضوعی در پایگاه وب علوم، آی. اس. آی (isi web of science) بین سالهای 2000-2009 پرداخته شده است. بدیهی است که ارزیابی...
چکیده ندارد.
" [S]cientific facts are the hard reality that condition political solutions; for example, not even a unanimous vote would stop gravity or change pi to 3.0. Ignoring scientific facts is attempting to govern by dreaming. "
with the increasing population and the need for more food, as well as with the development of science and technology, human approach to unnatural and often chemical inputs to increase agricultural production has been a great expansion and problems such as increased cancers, chronic diseases has created environmental pollution. implementation of organic organic is a solution to these problems . ...
there are two major theories of measurement in psychometrics: classical test theory (ctt) and item-response theory (irt). despite its widespread and long use, ctt has a number of shortcomings, which make it problematic to be used for practical and theoretical purposes. irt tries to solve these shortcomings, and provide better and more dependable answers. one of the applications of irt is the as...
data envelopment analysis (dea) is a powerful tool for measuring relative efficiency of organizational units referred to as decision making units (dmus). in most cases dmus have network structures with internal linking activities. traditional dea models, however, consider dmus as black boxes with no regard to their linking activities and therefore do not provide decision makers with the reasons...
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