• To do so, an efficient iterative method is proposed by hybrid of the radial basis function (RBF) collocation and finite difference (FD) methods to approximate the solution. (ac.ir)
  • The convergence of the iterative approximate factorization method for operators of the bicompact scheme for numerical solution of hyperbolic equations is investigated. (keldysh.ru)
  • If modularity is to be used for detecting communities in small and mid-sized networks, exact or approximate optimization algorithms are recommendable for a more methodologically sound usage of modularity within its applicability limits. (utoronto.ca)
  • We will make use of on-line resources for more advanced material, although "A Mathematical View of Interior-Point Methods in Convex Optimization" by James Renegar, SIAM Press, 2001 is an excellent reference for this material. (umd.edu)
  • Practical Methods of Optimization by Roger Fletcher, Wiley, 1987. (umd.edu)
  • Unconstrained Optimization (approx. (umd.edu)
  • Constrained Optimization (approx. (umd.edu)
  • A novel method is presented and explored within the framework of Potts neural networks for solving optimization problems with a non-trivial topology, with the airline crew scheduling problem as a target application. (lu.se)
  • A background on simple methods to estimate nonlinear response of multidegree- of-freedom (MDOF) systems currently in use is presented as an introduction to development of a new method. (ku.edu)
  • In this study, we considered the numerical solution of the nonlinear Burgers equation using the Variational Iteration Method (VIM). (ajol.info)
  • Support vector machines (and other kernel machines) offer robust modern machine learning methods for nonlinear classification. (aaai.org)
  • Construction of interior point methods for problems with linear and nonlinear constraints. (umd.edu)
  • Article: Approximate design optimisation of asynchronous assembly systems Journal: International Journal of Computer Applications in Technology (IJCAT) 1989 Vol.2 No.1 pp.30 - 37 Abstract: This paper presents a method for the approximate design optimisation of closed asynchronous assembly systems which are widely used in manufacturing. (inderscience.com)
  • Variational Iteration Method Burgers Equation Partial Differential Equations Approximate Solution Mean Value Theorem Schwartz Inequality. (ajol.info)
  • Numerical experimentation was carried out on the Burgers equation with the Variational Iteration Method (VIM). (ajol.info)
  • Results obtained with the Variational Iteration Method (VIM) on the Burgers equation were compared with the exact found in literature. (ajol.info)
  • Examples illustrating the flexibility and practical value of the iteration method, and the rapid convergence of successive solutions are given. (caltech.edu)
  • In 1984, Peter Diggle and Richard Gratton suggested using a systematic simulation scheme to approximate the likelihood function in situations where its analytic form is intractable. (wikipedia.org)
  • This paper presents a novel approach for verifying SZK properties, using recently developed techniques based on approximate simulation relations. (iacr.org)
  • The implementation relation is then proven using approximate simulation relations. (iacr.org)
  • In cases where the two populations differ non-proportionally, we show through simulation that our method is conservative while other methods (the Dobson et al. (cdc.gov)
  • Numerical approaches to solving contingent claim based partial differential equations (PDE) have focused on finite difference method (FDM) approaches. (scirp.org)
  • The two principal existing methods of calculating axially-symmetric compressible flow in turbomachines are: (1) a simplified one-dimensional analysis, and (2) numerical methods using the complete or linearized flow equations. (caltech.edu)
  • Computational Methods for Differential Equations , 9 (2), 410-426. (ac.ir)
  • A combining method for the approximate solution of spatial segregation limit of reaction-diffusion systems', Computational Methods for Differential Equations , 9(2), pp. 410-426. (ac.ir)
  • The key notion is that the flow field obtained from this so-called method of moments, i.e., solving the moment equations and the fluid dynamics equations simultaneously, approximately accommodates the thermodynamic effects of condensation. (utwente.nl)
  • The method seeks to examine the convergence of solutions of the Burgers equation at the expense of the parameters x and t of which the amount of errors depends. (ajol.info)
  • However, as the number of iterations increases, there is a rapid rate of convergence of the approximate solution to the analytic solution. (ajol.info)
  • By having a polynomial estimate, we are able to analyze the discontinuity in the derivative at the strike price and study oscillations in difference methods noted by many researchers, including Cen and Le [9]. (scirp.org)
  • Rather than using one high-order polynomial, it might be more efficient to approximate a function by using a ratio of two lower-order polynomials. (sas.com)
  • The approach, known as the Power Series Method (PSM), offers several advantages over traditional finite difference methods. (scirp.org)
  • Approximate Bayesian computation (ABC) constitutes a class of computational methods rooted in Bayesian statistics that can be used to estimate the posterior distributions of model parameters. (wikipedia.org)
  • The description of the sampling mechanism coincides exactly with that of the ABC-rejection scheme, and this article can be considered to be the first to describe approximate Bayesian computation. (wikipedia.org)
  • Finally, the term approximate Bayesian computation was established by Mark Beaumont and co-authors, extending further the ABC methodology and discussing the suitability of the ABC-approach more specifically for problems in population genetics. (wikipedia.org)
  • Approximate Bayesian computation can be understood as a kind of Bayesian version of indirect inference. (wikipedia.org)
  • Notice that Horner's method also improves the precision of this computation because terms like (1/4 - x/5) retain more precision than x**5 when x is near 0. (sas.com)
  • Feasible set methods and projection methods. (umd.edu)
  • The best way to prevent trench collapse and in turn, trenching fatalities, is to use alternative methods where feasible. (cdc.gov)
  • The most commonly used methods are the algorithms designed to maximize modularity over different partitions of the network nodes. (utoronto.ca)
  • We compare eight existing heuristic algorithms against an exact integer programming method that globally maximizes modularity. (utoronto.ca)
  • For training fully-connected neural networks (FCNNs), we propose a practical approximate second-order method including: 1) an approximation of the Hessian matrix and 2) a conjugate gradient (CG) based method. (aaai.org)
  • We devise a CG-based method incorporating one-rank approximation to derive Newton directions for training FCNNs, which significantly reduces both space and time complexity. (aaai.org)
  • Here we consider the approach introduced by Parker and Sochacki (1996, 2000) [1] [2] that uses a power series approximation based upon the Picard method. (scirp.org)
  • The method introduced by Parker and Sochacki provides a function that is defined over an entire time interval and is an accurate approximation to the solution to the contingent claim problem. (scirp.org)
  • Edward Y. Chang EA-CG: An Approximate Second-Order Method for Training Fully-Connected Neural Networks Proceedings of the AAAI Conference on Artificial Intelligence, 33 (2019) 3337-3346. (aaai.org)
  • However, relative to other alternatives (such as linear methods, decision trees and neural networks), they can be orders of magnitude slower at query-time. (aaai.org)
  • For example, the classic island model ( Wright 1931 ) can be used to estimate gene flow using several methods. (biorxiv.org)
  • This assumption is counter to those of species tree methods which estimate the branching history among populations, but under the assumption of no gene flow (see Edwards 2009 ). (biorxiv.org)
  • Another prescient point was made by Rubin when he argued that in Bayesian inference, applied statisticians should not settle for analytically tractable models only, but instead consider computational methods that allow them to estimate the posterior distribution of interest. (wikipedia.org)
  • Since one has a function that approximates the solution accurately, one can differentiate, integrate or use this function to solve at what time a certain value is achieved. (scirp.org)
  • Time is approximate and may vary slightly. (wondertrail.com)
  • Ready to ship, Delivery time approx. (spqr.se)
  • Total time: approx. (bc.edu)
  • The ability to obtain accurate quantitative data of definite accuracy in short time spans makes digital photogrammetry a suitable method for controlling the evolution of rapidly changing large-area volcanic phenomena. (mdpi.com)
  • 1.4 The sampling method gives a time-weighted average (TWA) sample. (astm.org)
  • Over time newer methods such as in- infant mortality. (who.int)
  • Summary: We describe the time course of bone formation marker (P1NP) decline in men exposed to approximately 3 weeks of sleep restriction with concurrent circadian disruption. (cdc.gov)
  • Method: Through a systematic literature search, 125 papers were included and analyzed using ROBINS-I, a Cochrane risk of bias tool for non-randomized studies of interventions. (lu.se)
  • however, due to their inherent complexity, most of these methods impose limits on the parameter space under consideration. (biorxiv.org)
  • Their method was based on defining a grid in the parameter space and using it to approximate the likelihood by running several simulations for each grid point. (wikipedia.org)
  • There are three major assumption that applied in the approximate portal method of analysis. (theconstructor.org)
  • However, the second method is also valid and gives us the ability to do mathematical analysis on the differential equation, the solution and the properties of the approximate solution. (scirp.org)
  • The easiest and most common solution is to approximate the function by using a Taylor series near the problem point. (sas.com)
  • Hagmeijer, R , IJzermans, RHA & Put, F 2005, ' Solution of the general dynamic equation along approximate fluid trajectories generated by the method of moments ', Physics of fluids , vol. 17, no. 5, pp. 056101-1-056101-12. (utwente.nl)
  • In this method, iterations are made in order to eliminate the approximate factorization error from the numerical solution. (keldysh.ru)
  • In this way, ABC methods widen the realm of models for which statistical inference can be considered. (wikipedia.org)
  • This work closes this gap between the two classes of methods by advancing an oblivious sketching method with better approimation, based on statistical leverage scores. (nips.cc)
  • Statistical leverage scores have gained increasing importance in literature on kernel methods. (nips.cc)
  • Furthermore, experiments are provided on a GIS dataset, for which a comparison of the modified random Fourier features method (via statistical leverage score sampling according to the theory in this paper) to the classical RFF method is provided. (nips.cc)
  • At the core of the Bayan algorithm is a branch-and-cut scheme that solves an integer programming formulation of the problem to optimality or approximate it within a factor. (utoronto.ca)
  • This work was followed by an applied study on modeling the variation in human Y chromosome by Jonathan K. Pritchard and co-authors using the ABC method. (wikipedia.org)
  • Results: Variation in MnPF values was approx. (cdc.gov)
  • Results indicate that the optimal models for most datasets parameterize both gene flow and population divergence, and suggest that species tree methods (which do not consider gene flow) are overly simplistic for most phylogeographic systems. (biorxiv.org)
  • The method presented in this paper allows the engineer to obtain results of the Monte Carlo optimisation (approximately) with only a few numerical calculations. (inderscience.com)
  • the approximate results. (inderscience.com)
  • These studies changed our epidemiologic under- of these methods, which would facilitate comparing results standing of PCP, and more studies now suggest collective- reported by different laboratories. (cdc.gov)
  • But these methods often produce false negative results. (cdc.gov)
  • This test method is suitable for determination of formaldehyde and other carbonyl compounds in the concentration range from approximately 10 ppb to 1 ppm (v/v). (astm.org)
  • The gamma intervals perform at least as well as existing methods in all situations studied here, but perform especially better than existing methods when the number of counts in any specific cell is small and there is large variability in the weights. (cdc.gov)
  • A final method to evaluate nasal projection is the amount of nasal projection in relation to the upper lip. (medscape.com)
  • Emphasis on practical methods with enough theory to make them work. (umd.edu)
  • Gupta RD, Kundu D (1999) Theory & methods: generalized exponential distributions. (springer.com)
  • Weight: approx. (spqr.se)
  • Unlike the n-hexane method, which calculates concentration by measuring the weight of oil content, OCMA-550 can directly display oil concentration. (horiba.com)
  • This submission concerns kernel-based learning methods, which have been well studied in machine learning. (nips.cc)
  • Methods such as Random Fourier Features and the Nystrom method have been used to scale up kernel methods by computing kernel approximations. (nips.cc)
  • While classical RFF has better error, the new RFF is shown to approximate small eigenvalues of the kernel matrix better. (nips.cc)
  • Multiple methods can be used to assess tip projection in relation to various structures (eg, subnasale, alar-facial groove, a line from the nasion or glabella). (medscape.com)
  • The former methods provide solutions at grid points determined by the user. (scirp.org)
  • Moreover, it enables the user to better approximate solutions to the PDE in far greater levels of precision. (scirp.org)
  • Empirical studies show the efficacy and efficiency of our proposed method. (aaai.org)
  • The authors also show how to use the method in an active learning setting. (nips.cc)
  • Finally, some numerical examples are given to illustrate the good performance of the method. (ac.ir)
  • We illustrate the general method by verifying the SZK property of the well-known identification protocol of Girault, Poupard and Stern. (iacr.org)
  • ABC methods bypass the evaluation of the likelihood function. (wikipedia.org)
  • Luckily, I only need the approximate result in some cases, so I write a second function that does the same calculation much faster but with a small error margin in the result. (stackexchange.com)
  • A 2016 report prepared for the Environmental Protection Agency, which evaluates methods to rehabilitate drinking and wastewater infrastructure, [EPA, 2016] noted that "new trenchless renewal technologies continue to come to market and improvements in existing technologies are ongoing. (cdc.gov)
  • One of the more useful methods of determining the degree of tip projection is the method described by Goode. (medscape.com)
  • en] The determination of heat transfer processes on water surfaces, especially due to evaporation - as always a problem in meteorology and oceanography - has gained special importance in recent times because of the large demand at present for cooling water and the thermal pollution plans which have consequently become necessary for open bodies of water. (iaea.org)
  • 1.1 This test method covers the determination of the dielectric breakdown voltage and dielectric strength of insulating gases used in transformers, circuit breakers, cables, and similar apparatus as an insulating medium. (astm.org)
  • 1.1 This test method covers a procedure for the determination of formaldehyde (HCHO) and other carbonyl compounds (aldehydes and ketones) in air. (astm.org)
  • The determination of formaldehyde and other carbonyl compounds, as DNPH derivatives, is similar to that of U.S. EPA Method TO-11A in that it utilizes HPLC with UV detection as the analytical finish. (astm.org)
  • Edit distance similarity search, also called approximate pattern matching, is a fundamental problem with widespread database applications. (dagstuhl.de)
  • Recently, Swift applied the approximate bootstrap confidence (ABC) method of DiCiccio and Efron to this problem. (cdc.gov)
  • Built-in flash Range (approx. (nikonusa.com)
  • 15 percentage points increase in contracep- to receive information about a range of tive use in the community there is a reduc- contraceptive methods and access to the tion of 1 birth per woman [4]. (who.int)
  • Unlike existing methods that attempt to speedup querytime, such as reduced set compression (e.g. (aaai.org)
  • Specifically, these have centered on explicit FDM (EFDM) approaches and Crank-Nicholson methodologies (CNM) and modification of these methods. (scirp.org)
  • The sampling procedure is a modification of U.S. EPA Method TO-11A (see 2.2). (astm.org)
  • Introduction: A serum bone formation marker (procollagen type 1 N-terminal, P1NP) was lower after approximately 3 weeks of sleep restriction combined with circadian disruption. (cdc.gov)
  • The PSM is more stable than explicit methods and thus computationally more efficient. (scirp.org)
  • This paper presents a method for the approximate design optimisation of closed asynchronous assembly systems which are widely used in manufacturing. (inderscience.com)
  • 16.44 million (approx. (nikonusa.com)
  • 16.79 million (approx. (nikonusa.com)
  • Imports of benzene (from mineral fuels and pure benzene) into the United States were approximately 5,252 million L (10,176 million pounds) in 2004, 6,024 million L (11,672 million pounds) in 2003, and 5,912 million L (11,455 million pounds) in 2002 (USITC 2005). (cdc.gov)
  • The portal method is an approximate analysis used for analyzing building frames subjected to lateral loading such as the one shown in Fig.1. (theconstructor.org)
  • The following example illustrates the procedure involved in the analysis of building frames by the portal frame method. (theconstructor.org)
  • The purpose of this investigation is to extend the approximate methods, successfully used in calculating incompressible flow in compressors with constant blade height, to the analysis of compressible flow in turbomachines with variable blade height. (caltech.edu)
  • These are often covered in a numerical analysis course that covers interpolation methods. (sas.com)
  • Although Diggle and Gratton's approach had opened a new frontier, their method was not yet exactly identical to what is now known as ABC, as it aimed at approximating the likelihood rather than the posterior distribution. (wikipedia.org)
  • Some experiments that perform linear algebra based on preconditioning methods would offer more convincing evidence of the superiority of the authors' approach. (nips.cc)
  • In contrast to most search the last decade emerged as powerful tools for and heuristics methods, the ANN-based approach ``intelligent'' computing. (lu.se)
  • It is required to determine the approximate values of moment, shear and axial force in each member of frame as shown in Fig. 4, using portal method. (theconstructor.org)
  • Studies using these methods has shown Pneumocystis biodiversity (6), environmental have improved understanding of PCP epidemiology, shed- reservoirs (7,8), person-to-person transmission (9,10), ding light on sources of infection, transmission patterns, recurrent infections (11), subclinical colonization and car- and potential emergence of antimicrobial resistance. (cdc.gov)
  • [ 28 ] EUS has been shown to be the most accurate preoperative method of localizing and detecting insulinomas. (medscape.com)
  • Since this method is not common in the mathematical financial community, we will demonstrate it through some examples and compare it to EFDM and CNM. (scirp.org)
  • In this article, we will use the terminology power series method (PSM) for the method that was discovered by Parker and Sochacki through Picard iteration. (scirp.org)
  • The article frst presents the `Eddy Brake' method and the Guidance, Navigation and Control (GNC) architecture of a chaser spacecraft. (dfki.de)
  • Our proposed approximate Hessian matrix is memory-efficient and can be applied to any FCNNs where the activation and criterion functions are twice differentiable. (aaai.org)
  • Tanya Johnson] Are the methods used to test for TB in elephants reliable and efficient? (cdc.gov)
  • We focus on the methods studies clearly demonstrated that it was not a single species and genes that have been most widely used for molecular but a complex group of eukaryotic microorganisms, which epidemiologic analyses or have the greatest potential were assigned to the kingdom Fungi (2-4) at the branch application. (cdc.gov)
  • 1.5 This test method instructs the user on how to prepare sampling cartridges from commercially available chromatographic grade silica gel cartridges by the application of acidified DNPH to each cartridge. (astm.org)
  • The corresponding variations for MdPF values were approx. (cdc.gov)
  • most common methods, along with examples of how they consequently, much of the basic biology and epidemiology have been used in molecular epidemiologic studies of PCP. (cdc.gov)
  • in the next frame, the pose will jump from its initial location based on the provided approximate distance to a new location at an accurate distance. (google.com)