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Academic Journals
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From:INFORMS Journal on Computing (Vol. 25, Issue 2) Peer-ReviewedWe develop a new local search algorithm for binary optimization problems, whose complexity and performance are explicitly controlled by a parameter Q, measuring the depth of the local search neighborhood. We show that...
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From:Advances in Natural and Applied Sciences (Vol. 9, Issue 6 SE) Peer-ReviewedBio-inspired meta-heuristics have been applied in abundance to solve optimization problems in recent days. This paper proposes yet another new meta-heuristic algorithm called Cricket Chirping Algorithm that is developed...
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From:INFORMS Journal on Computing (Vol. 24, Issue 1) Peer-Reviewed
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From:INFORMS Journal on Computing (Vol. 23, Issue 1) Peer-Reviewed
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From:Mathematics of Operations Research (Vol. 34, Issue 3) Peer-ReviewedMost of the recent work on 2-stage stochastic combinatorial optimization problems has focused on minimization of the expected cost or the worst-case cost of the solution. Those two objectives can be viewed as two...
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From:Management Science (Vol. 56, Issue 12) Peer-Reviewed
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From:Foundations and Trends in Communications and Information Theory (Vol. 2, Issue 1-2) Peer-ReviewedAbstract Geometric Programming (GP) is a class of nonlinear optimization with many useful theoretical and computational properties. Over the last few years, GP has been used to solve a variety of problems in the...
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From:Informatica (Vol. 30, Issue 3) Peer-ReviewedIf G is a plane graph and x, y [member of] V (G), then the dual distance of x and y is equal to the minimum number of crossings of G with a closed curve in the plane joining x and y. Riskin [7] proved that if [G.sub.0]...
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From:Mathematics of Operations Research (Vol. 31, Issue 1) Peer-ReviewedThis paper presents a framework grounded on convex optimization and economics ideas to solve by index policies problems of optimal dynamic allocation of effort to a discrete-state (finite or countable) binary-action...
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From:Mathematics of Operations Research (Vol. 27, Issue 3) Peer-ReviewedWe study local structure of a nonlinear mapping near points where standard regularity and/or smoothness assumptions need not be satisfied. We introduce a new concept of 2-regularity (a certain kind of second-order...
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From:Mathematics of Operations Research (Vol. 25, Issue 1) Peer-ReviewedA new study formulates a model for a single unit repairable system with random repair costs. The model can also be used for a complex, multi-unit repairable system. A repair/replacement problem for a single unit...
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From:Mathematics of Operations Research (Vol. 25, Issue 1) Peer-ReviewedResearch into mathematical programs with complementarity constraints is presented. We study mathematical programs with complementarity constraints. Several stationarity concepts, based on a piecewise smooth...
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From:Science (Vol. 250, Issue 4984) Peer-ReviewedWith the political season just over, the familiar politician's promise - to expand services while cutting costs - is fresh in everyone's mind. In politics that promise is generally hot air. But in mathematics it's...
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From:ACM Transactions on Mathematical Software (Vol. 23, Issue 4) Peer-ReviewedL-BFGS-B, a limited-memory algorithm for large nonlinear optimization problems that have simple bounds on variables, is to be used where information on the Hessian matrix is not easy to find. It is also for large, dense...
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From:PLoS ONE (Vol. 8, Issue 4) Peer-ReviewedAuthor(s): Weifang Zhu, Heming Zhao, Dehui Xiang, Xinjian Chen * Introduction EMD is a new adaptive data analysis method for analyzing nonlinear and non-stationary data, which was proposed by Huang et al. in 1998...
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From:International Journal of Antennas and PropagationPeer-ReviewedA broadband and polarization-independent metasurface is analyzed and designed for both monostatic and bistatic radar cross section (RCS) reduction in this paper. Metasurfaces are composed of two types of electromagnetic...
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From:Advances in Natural and Applied Sciences (Vol. 11, Issue 7) Peer-ReviewedBackground: Many process industries have large complex plants having many different types of chemical processes which are nonlinear and interactive. Quadruple tank system is the best laboratory example considered to...
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From:BioMed Research InternationalPeer-ReviewedGene expression data composed of thousands of genes play an important role in classification platforms and disease diagnosis. Hence, it is vital to select a small subset of salient features over a large number of gene...
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From:Mathematical Problems in EngineeringPeer-ReviewedThis paper presents a method for generating a region with a lot of randomly distributed ellipsoids. Using the parametric expression of an ellipsoid, the criterion for determining if a spatial point is in the interior or...
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From:Mathematical Problems in EngineeringPeer-ReviewedThis paper develops an effectively intelligent model to forecast short-term wind speed series. A hybrid forecasting technique is proposed based on recurrence plot (RP) and optimized support vector regression (SVR). Wind...