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Journal articles on the topic 'Problem-solution fit'

Author: Grafiati

Published: 23 June 2021

Last updated: 29 July 2025

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1

Adnan, Zifirdaus. "‘Ideal-Problem-Solution’ (IPS) Model." Australian Review of Applied Linguistics 34, no. 1 (2011): 75–103. http://dx.doi.org/10.1075/aral.34.1.05adn.

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Research article introductions (RAIs) play a significant role in gaining publication, and therefore have been studied by many applied linguists. Research into RAIs published in Indonesia has begun to be developed (Adnan, 2009; Mirahayuni, 2001; Safnil, 2000), and generally conclude that Indonesian Humanities RAIs were structured differently from English RAIs. However, as these are early studies, their findings still awaits scrutiny, and little information on Indonesian RAIs especially in Education has been published. Several models describing discourse structure of research article introductio

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2

ZHU, K., X. H. MO, C. Z. YUAN, and P. WANG. "A MATHEMATICAL REVIEW ON THE MULTIPLE-SOLUTION PROBLEM." International Journal of Modern Physics A 26, no. 25 (2011): 4511–20. http://dx.doi.org/10.1142/s0217751x11054589.

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The recent multiple-solution problem in extracting physics information from a fit to the experimental data in high energy physics is reviewed from a mathematical viewpoint. All these multiple solutions were previously found via a fit process, while in this paper we prove that if the sum of two coherent Breit–Wigner functions is used to fit the measured distribution, there should be two and only two nontrivial solutions, and they are related to each other by analytical formulae. For real experimental measurements in more complicated situations, we also provide a numerical method to derive the o

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Guo, Xin. "An explicit solution to an optimal stopping problem with regime switching." Journal of Applied Probability 38, no. 2 (2001): 464–81. http://dx.doi.org/10.1239/jap/996986756.

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We investigate an optimal stopping time problem which arises from pricing Russian options (i.e. perpetual look-back options) on a stock whose price fluctuations are modelled by adjoining a hidden Markov process to the classical Black-Scholes geometric Brownian motion model. By extending the technique of smooth fit to allow jump discontinuities, we obtain an explicit closed-form solution. It gives a non-standard application of the well-known smooth fit principle where the optimal strategy involves jumping over the optimal boundary and by an arbitrary overshoot. Based on the optimal stopping ana

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Guo, Xin. "An explicit solution to an optimal stopping problem with regime switching." Journal of Applied Probability 38, no. 02 (2001): 464–81. http://dx.doi.org/10.1017/s0021900200019975.

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We investigate an optimal stopping time problem which arises from pricing Russian options (i.e. perpetual look-back options) on a stock whose price fluctuations are modelled by adjoining a hidden Markov process to the classical Black-Scholes geometric Brownian motion model. By extending the technique of smooth fit to allow jump discontinuities, we obtain an explicit closed-form solution. It gives a non-standard application of the well-known smooth fit principle where the optimal strategy involves jumping over the optimal boundary and by an arbitrary overshoot. Based on the optimal stopping ana

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Hızlı, Hatice. "The Solution of Multicollinearity Problem via Biased Regression Analysis in Southern Anatolian Red Cattle." Turkish Journal of Agriculture - Food Science and Technology 10, no. 4 (2022): 791–97. http://dx.doi.org/10.24925/turjaf.v10i4.791-797.4524.

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The aim of this study is to investigate the effectiveness of biased estimation methods, principal component regression (PC) and ridge regression (RR) methods, according to unbiased the least squares (LS) method, against the multiple linearity problem (multicollinearity) encountered in regression methods. For this purpose to fit a model on account to predict body weight from some body measurements of 32 South Anatolian Red Kilis (SAR) cattle of different ages. R2, RMSE, MSE, and CV were used as the goodness of fit criteria for the performance of the models. According to these criteria respectiv

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Reister, David B. "The least squares fit of a hyperplane to uncertain data." Robotica 15, no. 4 (1997): 461–64. http://dx.doi.org/10.1017/s0263574797000556.

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Sensor based robotic systems are an important emerging technology. When robots are working in unknown or partially known environments, they need range sensors that will measure the Cartesian coordinates of surfaces of objects in their environment. Like any sensor, range sensors must be calibrated. The range sensors can be calibrated by comparing a measured surface shape to a known surface shape. The most simple surface is a plane and many physical objects have planar surfaces. Thus, an important problem in the calibration of range sensors is to find the best (least squares) fit of a plane to a

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Cao, Huantian, Rita Chang, Jo Kallal, et al. "Adaptable apparel: a sustainable design solution for excess apparel consumption problem." Journal of Fashion Marketing and Management 18, no. 1 (2014): 52–69. http://dx.doi.org/10.1108/jfmm-08-2012-0046.

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Purpose – Excess consumption of apparel is driven by the apparel industry to offer more styles at lower prices in shorter time and the consumers’ desire to change fashion. The purpose of this paper is to apply adaptable design in apparel as a sustainable design solution for excess consumption problem. Design/methodology/approach – Guided by sustainable apparel design model C2CAD, two adaptable apparel prototypes for female college students were designed and developed. Focus group discussion and wear test were conducted with female college students to evaluate users’ acceptance, fit, comfort, a

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8

Toby, B. H. "A simple solution to the Rietveld refinement recipe problem." Journal of Applied Crystallography 57, no. 1 (2024): 175–80. http://dx.doi.org/10.1107/s1600576723011032.

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Rietveld refinements are widely used for many purposes in the physical sciences. Conducting a Rietveld refinement typically requires expert input because correct results may require that parameters be added to the fit in the proper order. This order will depend on the nature of the data and the initial parameter values. A mechanism for computing the next parameter to add to the refinement is shown. The fitting function is evaluated with the current parameter value set and each parameter incremented and decremented by a small offset. This provides the partial derivatives with respect to each pa

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9

Miller, Edward B., Robert B. Murphy, Daniel Sindhikara, et al. "Reliable and Accurate Solution to the Induced Fit Docking Problem for Protein–Ligand Binding." Journal of Chemical Theory and Computation 17, no. 4 (2021): 2630–39. http://dx.doi.org/10.1021/acs.jctc.1c00136.

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10

Buonaguidi, Bruno, and Pietro Muliere. "On the Disorder Problem for a Negative Binomial Process." Journal of Applied Probability 52, no. 1 (2015): 167–79. http://dx.doi.org/10.1239/jap/1429282613.

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We study the Bayesian disorder problem for a negative binomial process. The aim is to determine a stopping time which is as close as possible to the random and unknown moment at which a sequentially observed negative binomial process changes the value of its characterizing parameter p ∈ (0, 1). The solution to this problem is explicitly derived through the reduction of the original optimal stopping problem to an integro-differential free-boundary problem. A careful analysis of the free-boundary equation and of the probabilistic nature of the boundary point allows us to specify when the smooth

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Buonaguidi, Bruno, and Pietro Muliere. "On the Disorder Problem for a Negative Binomial Process." Journal of Applied Probability 52, no. 01 (2015): 167–79. http://dx.doi.org/10.1017/s0021900200012262.

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We study the Bayesian disorder problem for a negative binomial process. The aim is to determine a stopping time which is as close as possible to the random and unknown moment at which a sequentially observed negative binomial process changes the value of its characterizing parameter p ∈ (0, 1). The solution to this problem is explicitly derived through the reduction of the original optimal stopping problem to an integro-differential free-boundary problem. A careful analysis of the free-boundary equation and of the probabilistic nature of the boundary point allows us to specify when the smooth

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Nyamsuren, O., and G. Ochirbat. "A thin-film waveguide problem with positive Kerr nonlinearity and its TM standing wave solution." Journal of Physics: Conference Series 2368, no. 1 (2022): 012017. http://dx.doi.org/10.1088/1742-6596/2368/1/012017.

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In the previous work [1], we applied the scattering-type TM standing wave solution to a slab waveguide with negative Kerr nonlinearity. In this work, we analyzed a waveguide problem with positive Kerr nonlinearity. In our formalism, fields are expressed through the value of a dielectric function and a constant of non-flow integral of motion. We formulated the necessary boundary condition for both boundaries with no reference to a film thickness. The condition binds a dielectric function to have two equal or two different values at boundaries leading to the existence of symmetrically and asymme

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Hu, Shicheng, Zhaoze Zhang, Qingsong He, and Xuedong Sun. "An Iterated Local Search Algorithm for a Place Scheduling Problem." Mathematical Problems in Engineering 2013 (2013): 1–7. http://dx.doi.org/10.1155/2013/659297.

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We study the place scheduling problem which has many application backgrounds in realities. For the block manufacturing project with special manufacturing platform requirements, we propose a place resource schedule problem. First, the mathematical model for the place resource schedule problem is given. On the basis of resource-constrained project scheduling problem and packing problem, we develop a hybrid heuristic method which combines priority rules and three-dimensional best fit algorithm, in which the priority rules determine the scheduling order and the three-dimensional best fit algorithm

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Albakar, Faris, Mhd Hazem Alhammamı, Husam Jehad Hasan Omar, Mazen Sımı, Basel Zbeda, and Zehra Düzgit. "OPTIMIZATION OF STOCK KEEPING AND SPACE UTILIZATION POLICY FOR A WAREHOUSE." Eskişehir Osmangazi Üniversitesi Mühendislik ve Mimarlık Fakültesi Dergisi 33, no. 1 (2025): 1608–17. https://doi.org/10.31796/ogummf.1432654.

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This study considers the one-dimensional variable-sized bin packing problem (VSBPP) which is an NP-Hard problem. In this study, the objective is to find an efficient solution that minimizes both the total capacity of the bins used and the number of bins required, thereby optimizing the company's storage policy and saving space within the warehouse. Three algorithms are employed to solve a real warehouse’s VSBPP: i) First Fit Decreasing (FFD), ii) Best Fit Decreasing (BFD), and iii) Next Fit Decreasing (NFD). The warehouse dataset includes items of various sizes, and the goal is to allocate the

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15

Wehr, Richard, and Scott R. Saleska. "The long-solved problem of the best-fit straight line: application to isotopic mixing lines." Biogeosciences 14, no. 1 (2017): 17–29. http://dx.doi.org/10.5194/bg-14-17-2017.

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Abstract. It has been almost 50 years since York published an exact and general solution for the best-fit straight line to independent points with normally distributed errors in both x and y. York's solution is highly cited in the geophysical literature but almost unknown outside of it, so that there has been no ebb in the tide of books and papers wrestling with the problem. Much of the post-1969 literature on straight-line fitting has sown confusion not merely by its content but by its very existence. The optimal least-squares fit is already known; the problem is already solved. Here we intro

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Buhl, David A., Michael A. Morissette, and Jeffrey Wolff. "Maximizing the Fit of a Box Spring Mattress up a Stairwell." Mathematics Teacher 100, no. 4 (2006): 241–46. http://dx.doi.org/10.5951/mt.100.4.0241.

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A class investigation into the mathematics of determining the maximum size of a box spring mattress that could be carried up a stairwell. The Geometer's Sketchpad was used for the problem exploration in order to help avoid common mistakes when deriving the mathematical model. The numerical solution was described using graphical method.

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Buhl, David A., Michael A. Morissette, and Jeffrey Wolff. "Maximizing the Fit of a Box Spring Mattress up a Stairwell." Mathematics Teacher 100, no. 4 (2006): 241–46. http://dx.doi.org/10.5951/mt.100.4.0241.

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A class investigation into the mathematics of determining the maximum size of a box spring mattress that could be carried up a stairwell. The Geometer's Sketchpad was used for the problem exploration in order to help avoid common mistakes when deriving the mathematical model. The numerical solution was described using graphical method.

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18

Foysal, Kamrul H., Hyo Jung Chang, Francine Bruess, and Jo Woon Chong. "SmartFit: Smartphone Application for Garment Fit Detection." Electronics 10, no. 1 (2021): 97. http://dx.doi.org/10.3390/electronics10010097.

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The apparel e-commerce industry is growing day by day. In recent times, consumers are particularly interested in an easy and time-saving way of online apparel shopping. In addition, the COVID-19 pandemic has generated more need for an effective and convenient online shopping solution for consumers. However, online shopping, particularly online apparel shopping, has several challenges for consumers. These issues include sizing, fit, return, and cost concerns. Especially, the fit issue is one of the cardinal factors causing hesitance and drawback in online apparel purchases. The conventional met

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19

Filep, Levente, and László Illyés. "Exact fit problem generator for cutting and packing, revisiting of the upper deck placement algorithm." Acta Universitatis Sapientiae, Informatica 10, no. 1 (2018): 73–85. http://dx.doi.org/10.2478/ausi-2018-0005.

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Abstract Problem generators are practical solutions for generating a set of inputs to specific problems. These inputs are widely used for testing, comparing and optimizing placement algorithms. The problem generator presented in this paper fills the gap in the area of 2D Cutting & Packing as the sum of the area of the small objects is equal to the area of the Large Object and has at least one perfect solution. In this paper, the already proposed Upper Deck algorithm is revisited and used to test the proposed generator outputs. This algorithm bypasses the dead area problem that occurs in mo

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20

Wurm, Franz, Benjamin Ernst, and Marco Steinhauser. "Surprise-minimization as a solution to the structural credit assignment problem." PLOS Computational Biology 20, no. 5 (2024): e1012175. http://dx.doi.org/10.1371/journal.pcbi.1012175.

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The structural credit assignment problem arises when the causal structure between actions and subsequent outcomes is hidden from direct observation. To solve this problem and enable goal-directed behavior, an agent has to infer structure and form a representation thereof. In the scope of this study, we investigate a possible solution in the human brain. We recorded behavioral and electrophysiological data from human participants in a novel variant of the bandit task, where multiple actions lead to multiple outcomes. Crucially, the mapping between actions and outcomes was hidden and not instruc

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21

Lim, Eunji, and Mina Attallah. "Estimation of Smooth Functions via Convex Programs." International Journal of Statistics and Probability 5, no. 4 (2016): 150. http://dx.doi.org/10.5539/ijsp.v5n4p150.

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One of the numerically preferred methods for fitting a function to noisy data when the underlying function is known to be smooth is to minimize the roughness of the fit while placing a limit on the sum of squared errors. We show that the fit can be formulated as a solution to a convex program. Since convex programs can be solved by various methods with guaranteed convergence, our formulation enables one to use these methods to compute the fit numerically. Numerical results show that our formulation is successfully applied to the problem of sensitivity estimation of option prices as functions o

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22

Nowlin, Donald. "Practical Geometry Problems: The Case of the Ritzville Pyramids." Mathematics Teacher 86, no. 3 (1993): 198–200. http://dx.doi.org/10.5951/mt.86.3.0198.

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The wheat-producing country of eastern Washington state furnishes a practical example of an applied geometry problem requiring only a knowledge of the relationship between the parts of a circle and the parts of a right triangle. The solution of this problem is related to several topics in the Curriculum and Evaluation Standards (NCTM 1989) that do not appear in a traditional curriculum. One of the main features of this example is that it shows that memorized formulas from textbooks must sometimes be modified to fit real-world problems. The solution of the problem requires the students to make

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23

Gómez-Carmona, Oscar, and Alejandro Garcés-Ruiz. "Solution for the hydrothermal dispatch problem using Monte Carlo simulation and interior point." Revista Facultad de Ingeniería Universidad de Antioquia, no. 45 (January 16, 2014): 132–47. http://dx.doi.org/10.17533/udea.redin.18120.

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Hydrothermal dispatch establishes the suitable relation between hydraulic and thermal generation with optimal operative cost in a planning period, according to generation, transmission and load restrictions; moreover, it establishes the rational and efficient use of the energetic resources in the power electric systems. Normally the hydrothermal dispatch problem has been simplified to find a solution with a reasonable computational time. The principal simplifications have been: to fit lineally the thermal functions cost, to eliminate the network restrictions, to dispatch in a unique node and t

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Alonso, Maria Teresa, Carlo Ferigato, Deimos Ibanez Segura, Domenico Perrotta, Adria Rovira-Garcia, and Emmanuele Sordini. "Analysis of ‘Pre-Fit’ Datasets of gLAB by Robust Statistical Techniques." Stats 4, no. 2 (2021): 400–418. http://dx.doi.org/10.3390/stats4020026.

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The GNSS LABoratory tool (gLAB) is an interactive educational suite of applications for processing data from the Global Navigation Satellite System (GNSS). gLAB is composed of several data analysis modules that compute the solution of the problem of determining a position by means of GNSS measurements. The present work aimed to improve the pre-fit outlier detection function of gLAB since outliers, if undetected, deteriorate the obtained position coordinates. The methodology exploits robust statistical tools for regression provided by the Flexible Statistics and Data Analysis (FSDA) toolbox, an

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25

Alestas, George, and Leandros Perivolaropoulos. "Late-time approaches to the Hubble tension deforming H(z), worsen the growth tension." Monthly Notices of the Royal Astronomical Society 504, no. 3 (2021): 3956–62. http://dx.doi.org/10.1093/mnras/stab1070.

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ABSTRACT Many late-time approaches for the solution of the Hubble tension use late time smooth deformations of the Hubble expansion rate H(z) of the Planck18/ΛCDM best fit to match the locally measured value of H0 while effectively keeping the comoving distance to the last scattering surface and Ω0mh2 fixed to maintain consistency with Planck CMB measurements. A well-known problem of these approaches is that they worsen the fit to low z distance probes. Here, we show that another problem of these approaches is that they worsen the level of the Ω0m − σ8 growth tension. We use the generic class

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26

Maydeu-Olivares, Albert, and Thomas J. D'Zurilla. "The Factor Structure of the Problem Solving Inventory." European Journal of Psychological Assessment 13, no. 3 (1997): 206–15. http://dx.doi.org/10.1027/1015-5759.13.3.206.

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Heppner and Petersen (1982) derived a three-dimensional structure for the items of the Problem Solving Inventory using principal components analysis. D'Zurilla and Maydeu-Olivares (1995) pointed out the lack of any clear link of the scales of the Problem Solving Inventory (PSI) to social problem-solving theory, which impairs the interpretation of any empirical results obtained with the use of this inventory. To address this issue, we used maximum likelihood factor analysis to investigate the dimensional structure of this inventory. We found that an unrestricted three-dimensional model adequate

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27

Prime, Michael B., and Michael R. Hill. "Uncertainty, Model Error, and Order Selection for Series-Expanded, Residual-Stress Inverse Solutions." Journal of Engineering Materials and Technology 128, no. 2 (2005): 175–85. http://dx.doi.org/10.1115/1.2172278.

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Measuring the spatial variation of residual stresses often requires the solution of an elastic inverse problem such as a Volterra equation. Using a maximum likelihood estimate (least squares fit), a series expansion for the spatial distribution of stress or underlying eigenstrain can be an effective solution. Measurement techniques that use a series expansion inverse include incremental slitting (crack compliance), incremental hole drilling, a modified Sach’s method, and others. This paper presents a comprehensive uncertainty analysis and order selection methodology, with detailed development

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Rice, jr., Martin A. "INTUITING MORALITY." Philosophia Reformata 71, no. 2 (2006): 154–70. http://dx.doi.org/10.1163/22116117-90000386.

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1. Introduction: What is the Problem? There are long standing problems of how one can account for moral properties, problems that are driven by the background metaphysical milieu into which one is trying to fit the moral properties in question. David Hume faced this problem in the context of the Newtonian-mechanistic worldview. His solution was to compromise the mechanistic worldview by undermining the physicalistic notion of causal relations via his famous Critique of Induction and reduce moral properties to a sensory “sentiment.”

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29

Angmalisang, Helen Yuliana, Harrychoon Angmalisang, and Sylvia Jane Sumarauw. "Leaders and Followers Algorithm for Balanced Transportation Problem." Computer Engineering and Applications Journal 12, no. 2 (2023): 79–87. http://dx.doi.org/10.18495/comengapp.v12i2.436.

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Leaders and Followers algorithm is a metaheuristic algorithm which uses two sets of solutions and avoid comparison between random exploratory sample solutions and the best solutions. In this paper, it is used to solve the balanced transportation problem. There are some modifications in the proposed algorithm in order to fit the algorithm to the problem. The proposed algorithm is evaluated using 138 problems. The results are better than the results obtained by other algorithm from previous studies. Overall, Leaders and Followers algorithm has no difficulty in finding optimal solution, even in p

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Pandapotan Nainggolan, Sahat. "Relational Thinking And Problem Solution Strategies Beginning Algebra High School Students." Journal of World Science 1, no. 8 (2022): 652–71. http://dx.doi.org/10.36418/jws.v1i8.86.

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Many students' difficulties in learning early algebra are associated with deficiencies in learning during the student's transition from arithmetic to algebra. relational thinking; a way of thinking that can be a gateway to algebraic thinking, is touted as one of the solutions to these difficulties. This study aims to determine the profile of relational thinking and early algebra problem solving strategies for junior high school students. Through the phenomenological design, the researcher selected six participants who fit the research criteria. The data analyzed refers to several theoretical f

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Pandapotan Nainggolan, Sahat. "Relational Thinking And Problem Solution Strategies Beginning Algebra High School Students." Journal of World Science 1, no. 8 (2022): 652–71. http://dx.doi.org/10.58344/jws.v1i8.86.

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Many students' difficulties in learning early algebra are associated with deficiencies in learning during the student's transition from arithmetic to algebra. relational thinking; a way of thinking that can be a gateway to algebraic thinking, is touted as one of the solutions to these difficulties. This study aims to determine the profile of relational thinking and early algebra problem solving strategies for junior high school students. Through the phenomenological design, the researcher selected six participants who fit the research criteria. The data analyzed refers to several theoretical f

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Christensen, Sören, and Kristoffer Lindensjö. "Moment-constrained optimal dividends: precommitment and consistent planning." Advances in Applied Probability 54, no. 2 (2022): 404–32. http://dx.doi.org/10.1017/apr.2021.38.

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AbstractA moment constraint that limits the number of dividends in an optimal dividend problem is suggested. This leads to a new type of time-inconsistent stochastic impulse control problem. First, the optimal solution in the precommitment sense is derived. Second, the problem is formulated as an intrapersonal sequential dynamic game in line with Strotz’s consistent planning. In particular, the notions of pure dividend strategies and a (strong) subgame-perfect Nash equilibrium are adapted. An equilibrium is derived using a smooth fit condition. The equilibrium is shown to be strong. The uncont

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Christensen, Sören, and Kristoffer Lindensjö. "Moment-constrained optimal dividends: precommitment and consistent planning." Advances in Applied Probability 54, no. 2 (2022): 404–32. http://dx.doi.org/10.1017/apr.2021.38.

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AbstractA moment constraint that limits the number of dividends in an optimal dividend problem is suggested. This leads to a new type of time-inconsistent stochastic impulse control problem. First, the optimal solution in the precommitment sense is derived. Second, the problem is formulated as an intrapersonal sequential dynamic game in line with Strotz’s consistent planning. In particular, the notions of pure dividend strategies and a (strong) subgame-perfect Nash equilibrium are adapted. An equilibrium is derived using a smooth fit condition. The equilibrium is shown to be strong. The uncont

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Araújo, Olinto César Bassi de, and Vinícius Amaral Armentano. "A multi-start random constructive heuristic for the container loading problem." Pesquisa Operacional 27, no. 2 (2007): 311–31. http://dx.doi.org/10.1590/s0101-74382007000200007.

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This paper deals with the container loading problem which involves the selection of a subset of boxes, each box with a given volume, such that they fit in a single container and maximize its volume utilization subject to orientation and stability constraints. We propose a multi-start random constructive heuristic with a load arrangement that is based on maximal cuboids that fit in given empty spaces. Each instance is adaptively evaluated by a set of criteria, and at each step of the construction process one maximal cuboid is chosen probabilistically from a restricted list of candidates. In ord

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Schmidt, Sabrina, and Matthias Rätzer. "How does a future-fit economy take root? An analysis of diffusion and adoption of future-fit business practices in brewing and printing companies." GAIA - Ecological Perspectives for Science and Society 30, no. 2 (2021): 114–21. http://dx.doi.org/10.14512/gaia.30.2.9.

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Only a few companies are seeking to contribute to a future-fit way of doing business. As such, they are considered major drivers of institutional change. However, conventional companies are not likely to follow these new paths based solely on good examples.In the face of the worsening ecological crisis, more and more people are looking to pioneering companies which have made it their task to be part of the solution to this problem by deploying sustainable production and business practices. But how do these future-fit approaches spread within the economy? We present results from brewing and pri

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Chennareddy, Rahulreddy, Susan Bogus Halter, and Mahmoud M. Reda Taha. "Fit-in GFRP Liner for Retrofitting Corroded Metal Culverts." MATEC Web of Conferences 271 (2019): 01013. http://dx.doi.org/10.1051/matecconf/201927101013.

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Corrugated metal pipes (CMPs) have been used as culverts in North America since the 1950s. Today, corrosion of CMPs is a major problem that requires an urgent and efficient solution to retrofit thousands of corroded CMPs across the country. One potential solution gaining wide acceptance is to use a fit-in Glass Fiber Reinforced Polymer (GFRP) liner inside the old CMPs and to connect them using polymer grout. In this paper, a methodology to retrofit corrugated metal culvert using a fit-in GFRP profile liner was developed and implemented. First, material characterization of the GFRP material and

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Roy, Dhrubojyoti, Sangeeta Srivastava, Aditya Kusupati, Pranshu Jain, Manik Varma, and Anish Arora. "One Size Does Not Fit All." ACM Transactions on Sensor Networks 17, no. 2 (2021): 1–27. http://dx.doi.org/10.1145/3439957.

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Edge sensing with micro-power pulse-Doppler radars is an emergent domain in monitoring and surveillance with several smart city applications. Existing solutions for the clutter versus multi-source radar classification task are limited in terms of either accuracy or efficiency, and in some cases, struggle with a tradeoff between false alarms and recall of sources. We find that this problem can be resolved by learning the classifier across multiple time-scales. We propose a multi-scale, cascaded recurrent neural network architecture, MSC-RNN, composed of an efficient multi-instance learning (MIL

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Göküzüm, Felix Selim, Lu Trong Khiem Nguyen, and Marc-André Keip. "An Artificial Neural Network Based Solution Scheme for Periodic Computational Homogenization of Electrostatic Problems." Mathematical and Computational Applications 24, no. 2 (2019): 40. http://dx.doi.org/10.3390/mca24020040.

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The present work addresses a solution algorithm for homogenization problems based on an artificial neural network (ANN) discretization. The core idea is the construction of trial functions through ANNs that fulfill a priori the periodic boundary conditions of the microscopic problem. A global potential serves as an objective function, which by construction of the trial function can be optimized without constraints. The aim of the new approach is to reduce the number of unknowns as ANNs are able to fit complicated functions with a relatively small number of internal parameters. We investigate t

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Rohan, Dewanto Harwin, and Nur Hayati. "Persamaan Lorenz untuk Keamanan Nomor Serial Sistem Operasi Window7." Jurnal Ilmiah FIFO 10, no. 2 (2019): 1. http://dx.doi.org/10.22441/fifo.2018.v10i2.001.

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Serial number of operating system windows 7 needs to be safeguarded, so can’t be used by the others. Security of the data can use by modern cryptography such as Vernam Cipher methods and classic cryptography such as Caesar Cipher methods. The security level both of this method depends on the keywords used and it will difficult to crack if the random key is used more and more. To get a random key, we can take from chaos of Lorenz equations as key-generator for encryption and description. Before utilizing chaos in the Lorenz equations, we have to find the maximum t (time) for the inverse problem

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Hoganson, Howard M., and Jose G. Borges. "Using Dynamic Programming and Overlapping Subproblems to Address Adjacency in Large Harvest Scheduling Problems." Forest Science 44, no. 4 (1998): 526–38. http://dx.doi.org/10.1093/forestscience/44.4.526.

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Abstract The adjacency problem for forest management scheduling is formulated as a dynamic programming problem. To overcome typical model-size problems, a solution strategy is proposed which links dynamic programming formulations for overlapping subproblems. Subproblems are solved sequentially in a moving-windows fashion. Solutions are near-optimal for three large but simplified test cases. Model size is sensitive to the size of the moving window. Using relatively small windows produced solutions that are closer to optimal than those found using two other modeling approaches. Solutions are als

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Dumsday, Travis. "The Internal Unity of Natural Kinds." American Catholic Philosophical Quarterly 93, no. 4 (2019): 587–610. http://dx.doi.org/10.5840/acpq2019927188.

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It is often assumed that the essence of a natural kind is complex, being such as to include (or to wholly consist of) multiple fundamental properties. For instance, perhaps the essence of the kind “electron” includes both negative charge and a precise rest mass, where neither of these is derivable from the other, nor derivable from some other foundational property. This assumption raises the ‘unity problem’: how to explain what unifies or holds together these properties. One important answer is developed by David Oderberg. His model draws on insights from both analytic metaphysics and the Scho

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Madhumala, R. B., Harshvardhan Tiwari, and Verma C. Devaraj. "Virtual Machine Placement Using Energy Efficient Particle Swarm Optimization in Cloud Datacenter." Cybernetics and Information Technologies 21, no. 1 (2021): 62–72. http://dx.doi.org/10.2478/cait-2021-0005.

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Abstract Efficient resource allocation through Virtual machine placement in a cloud datacenter is an ever-growing demand. Different Virtual Machine optimization techniques are constructed for different optimization problems. Particle Swam Optimization (PSO) Algorithm is one of the optimization techniques to solve the multidimensional virtual machine placement problem. In the algorithm being proposed we use the combination of Modified First Fit Decreasing Algorithm (MFFD) with Particle Swarm Optimization Algorithm, used to solve the best Virtual Machine packing in active Physical Machines to re

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Bernard, J. E., S. K. Kwon, and J. A. Wilson. "Differentiation of Mass and Stiffness Matrices for High Order Sensitivity Calculations in Finite Element-Based Equilibrium Problems." Journal of Mechanical Design 115, no. 4 (1993): 829–32. http://dx.doi.org/10.1115/1.2919275.

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Extension of sensitivity methods to include higher order terms depends on the ability to compute higher order derivatives of the mass and stiffness matrices. This paper presents a method based on the use of cubic polynomials to fit mass and stiffness matrices across a range of interest of the design variable. The method is illustrated through an example which uses Pade´ approximants to expand the solution to a statics problem. The design variable is the thickness of one part of a plate with fixed boundaries. The solution gives a very good approximation over fivefold change in the value of the

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Pratama, Dimas Pandu, and Panca O. Hadi Putra. "Exploring Sustainable VR Use Cases for Startup Business Models: A Customized Customer Development Approach." Sustainability 16, no. 14 (2024): 6254. http://dx.doi.org/10.3390/su16146254.

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Startups often face uncertainty and the potential Valley of Death. To address these challenges, Sustainable Development Goals (SDGs) can serve as a starting point to identify business opportunities in markets driven by SDG-related issues. In this case, we propose using virtual reality (VR) technology as a “painkiller”. This study aims to explore VR use cases and their implications for startup business models and discover a problem–solution fit, i.e., identify the degree to which VR applications effectively address actual problems as “killer applications”. The study employs a customized custome

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Matsuda, Shinya, Keiji Muramatsu, Tatsuhiko Kubo, and Yoshihisa Fujino. "Disease Burden of MSD for the Japanese Society Fit for Work Scheme as a Solution for This Problem." Asian Pacific Journal of Disease Management 6, no. 2 (2014): 37–44. http://dx.doi.org/10.7223/apjdm.6.37.

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Birch, Stephen, and Amiram Gafni. "Changing the problem to fit the solution: Johannesson and Weinstein's (mis) application of economics to real world problems." Journal of Health Economics 12, no. 4 (1993): 469–76. http://dx.doi.org/10.1016/0167-6296(93)90006-z.

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Bonnini, Stefano, Michela Borghesi, Gianfranco Piscopo, and Massimiliano Giacalone. "A Non-Parametric Test for a Two-Way Analysis of Variance." Mathematics 13, no. 7 (2025): 1131. https://doi.org/10.3390/math13071131.

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The methodology carried out in this work is based on non-parametric inference. The problem is framed as a regression analysis, and the solution is derived using the permutation approach. The proposed test does not rely on the assumption that the distribution of the response follows a specific family of probability laws, unlike other parametric approaches. This makes the test powerful, particularly when the typical assumptions of parametric approaches, such as the normality of data, are not satisfied and parametric tests are not reliable. Furthermore, this method is more flexible and robust wit

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Verde, Paula, Rubén Ferrero-Guillén, Rubén Álvarez, Javier Díez-González, and Hilde Perez. "Node Distribution Optimization in Positioning Sensor Networks through Memetic Algorithms in Urban Scenarios." Engineering Proceedings 2, no. 1 (2020): 73. http://dx.doi.org/10.3390/ecsa-7-08220.

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Local Positioning Systems rely on ad-hoc node deployments which fit the environment characteristics in order to reduce system uncertainties. The obtainment of competitive results through these systems requires the solution of the Node Location Problem. This problem has been assigned as NP-Hard; therefore, a heuristic solution is recommended for addressing this complex problem. Genetic Algorithms (GA) have shown an excellent trade-off between diversification and intensification in the literature. However, in Non-Line-of-Sight environments in which there is not continuity in the fitness function

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Xu, Yan-xin. "An Efficient Heuristic Approach for Irregular Cutting Stock Problem in Ship Building Industry." Mathematical Problems in Engineering 2016 (2016): 1–12. http://dx.doi.org/10.1155/2016/8703782.

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This paper presents an efficient approach for solving a real two-dimensional irregular cutting stock problem in ship building industry. Cutting stock problem is a common cutting and packing problem that arises in a variety of industrial applications. A modification of selection heuristic Exact Fit is applied in our research. In the case referring to irregular shapes, a placement heuristics is more important to construct a complete solution. A placement heuristic relating to bottom-left-fill is presented. We evaluate the proposed approach using generated instance only with convex shapes in lite

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Valerio, Wendy H., Alison M. Reynolds, Grant B. Morgan, and Anne A. McNair. "Construct Validity of the Children’s Music-Related Behavior Questionnaire." Journal of Research in Music Education 60, no. 2 (2012): 186–200. http://dx.doi.org/10.1177/0022429412444450.

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The purpose of this research was to investigate the construct validity of the Children’s Music-Related Behavior Questionnaire (CMRBQ), an instrument designed for parents to document music-related behaviors about their children and themselves. The research problem was to examine the hypothesized factorial structure of the questionnaire. From a national sample, parents of children 5 years old or younger returned 616 usable questionnaires. Items were parceled, and the model was subjected to a confirmatory factor analysis to assess the goodness of model-data fit for a one-factor solution using the

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