نتایج جستجو برای: probability function

تعداد نتایج: 1391895  

Journal: :Physica A: Statistical Mechanics and its Applications 2011

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1386

چکیده ندارد.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه الزهراء - دانشکده علوم پایه 1387

چکیده ندارد.

Journal: :iranian journal of fuzzy systems 0
maryam abaszade department of statistics, ferdowsi university of mashhad, mashhad, iran sohrab effati department of applied mathematics, ferdowsi university of mashhad, mashhad, iran

support vector regression (svr) solves regression problems based on the concept of support vector machine (svm). in this paper, a new model of svr with probabilistic constraints is proposed that any of output data and bias are considered the random variables with uniform probability functions. using the new proposed method, the optimal hyperplane regression can be obtained by solving a quadrati...

Journal: :civil engineering infrastructures journal 0
naser kazemi elaki m.sc. of structural engineering, university of sistan and baluchestan naser shabakhty phd of civil engineering department of civil engineering university of sistan and baluchetsan mostafa abbasi kia msc of computer science. department of mathematics, university of lorestan soroosh sanayee moghaddam m.sc. of hydrolic structures, university of sistan and baluchestan

in this research, a two-phase algorithm based on the artificial neural network (ann) and a harmony search (hs) algorithm has been developed with the aim of assessing the reliability of structures with implicit limit state functions. the proposed method involves the generation of datasets to be used specifically for training by finite element analysis, to establish an ann model using a proven an...

Journal: :desert 2015
zhaofei liu zongxue xu

two statistical downscaling models, the non-homogeneous hidden markov model (nhmm) and the statistical down–scaling model (sdsm) were used to generate future scenarios of both mean and extremes in the tarim river basin,which were based on nine combined scenarios including three general circulation models (gcms) (csiro30, echam5,and gfdl21) predictor sets and three special report on emission sce...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده ریاضی 1390

the main objective in sampling is to select a sample from a population in order to estimate some unknown population parameter, usually a total or a mean of some interesting variable. a simple way to take a sample of size n is to let all the possible samples have the same probability of being selected. this is called simple random sampling and then all units have the same probability of being ch...

Journal: :SIAM Journal on Discrete Mathematics 2012

Journal: :Bulletin of the American Mathematical Society 1918

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