نتایج جستجو برای: projection method
تعداد نتایج: 1677728 فیلتر نتایج به سال:
in this paper imprecise target models has been proposed to investigate the relation between imprecise data envelopment analysis (idea) and mini-max reference point formulations. through these models, the decision makers' preferences are involved in interactive trade-off analysis procedures in multiple objective linear programming with imprecise data. in addition, the gradient projection type me...
an enterprise resource planning (erp) software is needed for industries and companies that want to develop in future. many of the manufactures and companies have a problem with erp software selection. an inappropriate selection process can affect both the implementation and the performance of the company significantly. although several models are proposed to solve this problem many of them did n...
In [5], we studied convergence and the structure of the error for several projection methods when the spatial variable was kept continuous . In this paper, we address similar problems for the fully discrete case when the spatial variable is discretized using the staggered grid. We prove that the numerical solution has full accuracy upto the boundary, despite the fact that there are numerical bo...
An iterative method for finding the center of a linear programming polytope is presented. The method assumes that we start at a feasible interior point and each iterate is obtained as a convex combination of the orthogonal projection on the half spaces defined by the linear inequalities plus a special projections on the same half spaces. The algorithm is particularly suitable for implementation...
In this paper a fully explicit, stabilized projection method called the Runge-Kutta-Chebyshev (RKC) Projection method is presented for the solution of incompressible Navier-Stokes systems. This method preserves the extended stability property of the RKC method for solving ODEs, and it requires only one projection per step. An additional projection on the time derivative of the velocity is perfo...
مقدمه : جراحی رینوپلاستی امروزه یکی از شایعترین اعمال جراحی زیبایی در ایران می باشد که در آن علاوه بر مهارتهای تکنیکی جراح، دارا بودن دانش کامل از وضعیت آناتومیکی ناحیه از اهمیت بسزایی برخوردار است. لذا مطالعه حاضر بر پایه اندازه گیری میزان nasal tip projection در بیماران متقاضی جراحی رینوپلاستی جهت دستیابی به اطلاعات آناتومیک دقیق در بیماران ایرانی طرح ریزی شده است . مواد و روشها: در این مطال...
different methods arising from scientific investigation for removing noise from chaotic signals have been introduced and one of their best is local projection approach. the local projection approach projects the chaotic data in the neighborhood onto the hyper-plane. selection of neighborhood radius has a direct impact on its performance. a noticeable feature associated with chaotic trajectories...
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