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430 articles for “class NP”

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Research ArticleOpen accessIn the abstractMINLP Optimization of Mechanical StructuresS. Šilih, T. Žula, Z. Kravanja, S. KravanjaWe presented optimization of mechanical structures, performed by the Mixed-Integer Nonlinear Programming (MINLP) optimization approach. The MINLP is a combined continuous/discrete optimization technique, where a structural topology and standard/discrete sizes are optimized simultaneously with the continuous variables. Ddiscrete binary 0-1 variables were used to express the discrete decisions. For solution of this non-linear, continuous/discrete and non-convex MINLP class of the … …American Journal of Applied Sciences, Vol. 5, Issue 1 · 31 Jan 2008 · 7,125 accessesView PDFCite
Research ArticleOpen accessIn the abstractOn the Discretized Algorithm for Optimal Problems Constrained by Differential Equation with Real CoefficientsO. OlotuA discretized scheme, Discretized Continuous Algorithm (DCA), for solving constrained quadratic optimal control problems was developed to ease the computational cumbersomeness inherent in some existing algorithms, particularly, the Function Space A lgorithm (FSA) by replacing the integral by a series of summation. In order to accomplish this numerical scheme, we resort to a finite approximation of it by discretizing its … …Journal of Mathematics and Statistics, Vol. 3, Issue 4 · 31 Dec 2007 · 6,851 accessesView PDFCite
Research ArticleOpen accessIn the abstractMarkov Property of the Solution of the Stochastic Generalized EquationsKhaldi KhaledSome models of probabilities are described by generalized stochastic equations. These models (like that prediction) lead to the resolution of boundary problems for random distributions (generalized equations). We are interested in the equation in Lx = f in S ⊂ IRd where L is a linear operator, f is a random distribution and to the class of boundary conditions on … …Journal of Mathematics and Statistics, Vol. 3, Issue 3 · 30 Sep 2007 · 6,885 accessesView PDFCite
Research ArticleOpen accessIn the abstractFeature Selection in Data-Mining for Genetics Using Genetic AlgorithmV. N. Rajavarman, S. P. RajagopalanWe discovered genetic features and environmental factors which were involved in multifactorial diseases. To exploit the massive data obtained from the experiments conducted at the General Hospital, Chennai, data mining tools were required and we proposed a 2-Phase approach using a specific genetic algorithm. This heuristic approach had been chosen as the number of features to consider was large (upto … …Journal of Computer Science, Vol. 3, Issue 9 · 30 Sep 2007 · 6,627 accessesView PDFCite
Research ArticleOpen accessIn the abstractDevelopment of Cell-Responsive Nanophase Hydroxyapatite for Tissue EngineeringR. Murugan, S. RamakrishnaScaffold plays a critical role in engineering bone tissues by providing necessary structural support for the cells to accommodate and guiding their growth in the three dimensional (3D) space. Therefore, designing scaffold that mimic composition and structural aspects of the bone is of great importance to promote cell adhesion, cell-matrix interactions, osteointegration, tissue formation and continued function. Nanophase hydroxyapatite (HA) … …American Journal of Biochemistry and Biotechnology, Vol. 3, Issue 3 · 30 Sep 2007 · 7,163 accessesView PDFCite
Research ArticleOpen accessIn the abstractCPI-1189 Protects against TNBS-induced Colitis in a Rodent ModelBeverley Greenwood-Van Meerveld, Karl TylerNitrone-related therapeutics (NRTs) represents a new class of molecules that may be effective in treating inflammatory conditions. The goal of this study was to examine the effect of CPI-1189 in a rat model of inflammatory bowel disease (IBD). Colonic inflammation was induced by an enema of trinitrobenzene sulfonic acid (TNBS). Saline-enema treated rats served as controls. After 3 days colonic … …American Journal of Pharmacology and Toxicology, Vol. 2, Issue 2 · 30 Jun 2007 · 7,168 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Constrained Bottleneck Transportation ProblemPeerayuth Charnsethikul, Saeree SvetasreniTwo classes of the bottleneck transportation problem with an additional budget constraint are introduced. An exact approach was proposed to solve both problem classes with proofs of correctness and complexity. Moreover, the approach was extended to solve a class of multi-commodity transportation network with a special case of the multi-period constrained bottleneck assignment problem. …Journal of Mathematics and Statistics, Vol. 3, Issue 1 · 31 Mar 2007 · 7,030 accessesView PDFCite
Research ArticleOpen accessIn the abstractStudies on Some Properties of Quality and Performance in Wood WindowsTuncer Dilik, Barış AltunThe determination of some quality and performance properties of windows, made of tree species used frequently in industrial window manufacturing and the effects of tree species on those properties have been examined. According to the results of the study by considering regular standards, in the air resistance tests, the classification has been determined as follows: those made of Scots pine … …American Journal of Applied Sciences, Vol. 4, Issue 3 · 31 Mar 2007 · 7,859 accessesView PDFCite
Research ArticleOpen accessIn the abstractSensitivities of Uterine Adenocarcinoma, Mixed Mullerian Tumor (MMT) and Sarcoma Cell Lines to Chemotherapeutic Agents and a Flex-Het DrugJohnny Hyde, Doris M. BenbrookThe administration and combination of a variety of chemotherapeutic agents for treatment of advanced or recurrent uterine cancer of different histologies is under current debate. Mixed Mullerian Tumors (MMTs), which contain both adenocarcinoma and sarcoma components, are the most rate histologic type and it is therefore difficult to conduct clinical trials to determine if they should be treated like endometrial … …American Journal of Pharmacology and Toxicology, Vol. 1, Issue 4 · 31 Dec 2006 · 7,460 accessesView PDFCite
Research ArticleOpen accessIn the abstractpmonpp: Pthread Monitor PreprocessorJinhua GuoMonitors have become an exceedingly important synchronization mechanism because they are a natural generalization of the object-oriented programming. A monitor construct encapsulates private data with public methods to operate on that data. Although the Pthread library contains dozens of functions for threading and synchronization, it does not provide direct support for the monitor. Students must explicitly provide mutual exclusion around … …Journal of Computer Science, Vol. 2, Issue 10 · 31 Oct 2006 · 6,748 accessesView PDFCite