نتایج جستجو برای: problem analysis
تعداد نتایج: 3499216 فیلتر نتایج به سال:
In the GA approach the parameters that influence its performance include population size, crossover rate and mutation rate. Genetic algorithms are suitable for traversing large search spaces since they can do this relatively fast and because the mutation operator diverts the method away from local optima, which will tend to become more common as the search space increases in size. GA’s are base...
برد عددی ماتریس مربعی a را با w(a) نشان داده و به این صورت تعریف می کنیم w(a)={x8ax:x ?s1} ، که در آن s1 گوی واحد است. در سال 2009، راسل کاردن مساله برد عددی معکوس را به این صورت مطرح کرده است : برای نقطه z?w(a)، بردار x?s1 را به گونه ای می یابیم که z=x*ax، در این پایان نامه ، الگوریتمی برای حل مساله برد عددی معکوس ارانه می دهیم.
چکیده ندارد.
In this paper, we analyze a quasistatic problem modeling frictional contact between viscoplastic body and an obstacle, the so called foundation. The material constitutive relation is assumed to be non-linear. boundary conditions of friction are modeled respectively by \textit{Signorini} generalized Coulomb's non-local law. We derive variational formulation for prove existence its unique weak so...
Since 2003, when Hartman and Robinson identified eviction as “the hidden housing problem,” a growing body of research has provided detailed, empirical analyses the process in specific locations. However, there been little effort to systematically compare legal regimes institutional contexts governing proceedings. Drawing on our four cities—Baltimore, Maryland; Dallas, Texas; Los Angeles, Califo...
We revisit the classical problem of optimal payment dividends and determine degree to which diffusion approximation serves as a valid risk model for this p...
The boundary element technique is a practical problem-solving tool and useful in comparison to other currently popular alternatives. In this paper, a circular tunnel of a diameter 3.4 m is to be excavated through a clayey soil and surrounded by concrete lining of a thickness 0.2 m, so the clear internal diameter is 3.0 m. A plane strain analysis is adopted for such problem and the soil is assum...
This study proposes the model for interpolating time series to use them to forecast effectively for future. This model is established based on the improved fuzzy clustering analysis problem, which is implemented by the Matlab procedure. The proposed model is illustrated by a data set and tested for many other datasets, especially for 3003 series in M3-Competition data. Comparing to the exist...
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