An essential aspect of stock trading is the accurate forecast of stock price. This enables buy and sell points to be determined, which facilities profitability whilst reducing potential loses. This paper proposes a "Two-stage pattern Strategy (TSPS)" as an effective and intuitive mechanism to identify...

The problem of maximum and minimum on the difference between the product of two events' probability and the probability of product of two events has been discussed, in this paper, two events are generalized to n events and the problem is solved by using the method of induction and construction.

Proper orthogonal decomposition four-dimensional Variational (POD 4D VAR) data assimilation method is used to estimate the open boundary conditions (OBCs) with a two-dimensional (2D) M2 tide in the Bohai Sea by assimilating the TOPEX/Poseidon (T/P) altimeter data. Qian et al. [14] assume that the OBCs...

A novel multiple watermarking scheme was proposed, which could embed the reversible watermark in ROI (region of interest) by improving the Ni's algorithm, and the robust watermark in non-ROI by quantizing the low frequency coefficients. The watermarks can simultaneously achieve copyright protection and...

In this study, a distributed cooperative control law is proposed to attain multi-agent uniform circumnavigation around moving targets. First, we construct a decentralized estimator for each agent to estimate the geometric center of the targets. Then, we develop the distributed control strategy by means...

For the differential game about the pollution emissions control problem among countries, we apply Shapley value to allocate the total payoff of all countries. The important contribution of this paper is the establishment of a time-consistent imputation distribution procedure so that the initial agreement...

The research aims to generate a sparse graph for travelling salesman problem so as to reduce its complexity. A probability model based on frequency quadrilaterals is given to show that the average frequency of an edge is 3N if its total frequency is computed with N random frequency quadrilaterals in...

The problem of propositional satisfiability (SAT) has found a number of applications in both theoretical and practical computer science. However, in many applications, knowing a formulae's satisfiability alone is not enough to solve problems. Often, some other characteristics of formulae need to be known....

We present a method for verifying the contact stress of elastic bodies. An explicit formulation of the total contact force, a fraction function with the numerator as a linear function and the denominator as a quadratic convex function, is derived by using the surrogate model of quadratic optimization...

Particle pollutant is the prime pollutant of most cities in china, the tiny particle accumulated lots of harmful substance, and it is the carrier of bacteria, revealing the Mechanism of particle transport has an important meaning on controlling the indoor particle pollutant and disease prevention. This...

Mining important persons is significant to network security, especially researches on email network centralization nowadays. To solve the problem that traditional PageRank algorithm is sensitive to the network disturbance, this paper proposes a method which decomposes email network into different layers...

In this paper, we consider a n-species stochastic Lotka-Volterra competitive system with distributed delays. Sufficient conditions for stability in the mean and extinction of each population are established.

Most countries adopt film rating system for protect their children from bad content. But there are often disagree with the rating results because of subjective judging system. This study tried to develop evaluation algorithm for film rating using human response data like EEG and eye movement. Eye-tracking...

Enterprise value assessment is a hotspot of research on modern financial problems; profound changes have taken place in China's stock market system and investment environment, in the direction of more fair, effective and standardized development, Chinese stock market is more and more showing the intrinsic...

This study suggests new mathematical solution and simulation results for detection location of bus signal priority. This mathematical model can determine the detector location for the minimum bus delay. With the application of the bus speed and detector location, this study analyzed the change of bus...

Research on bauxite digesting using pressurized reactor at a capacity of 86,66 kg of feed/batch had been conducted. Bauxite with -150 mesh of particle size is reacted with 42,15 kg of caustic soda with concentration of 433,49 g/l at the temperature of 140oC for 1.0 to 2.5 hours using steam as heating...

ARP protocol is one of the basic agreement in TCP/IP network protocol, but ARP protocol is not safe, because it does not verify the source of the ARP packet is legal or not, in this case lead to variety ARP attack in the local area network (LAN) with the lack of authentication mechanism in ARP protocol,...

This paper explores the multiplicity of solutions for a Certain class of fractional elliptic equation under the Dirichlet boundary conditions. By using the asymptotic property of the nonlinear term f(x,u) at zero and at infinite point, the mountain pass theorem and proper truncation methods can be applied...

We construct an evaluation system of sustainable development countries using the method of Bayes, k-means. Based on the classification, the developing model can be categorized into self-sufficient, technology-dependent and fund-dependent countries. We also explores the sustainable development of Equatorial...

Under carbon cap-and-trade policies, double-source purchase policy of two substitutable products by a monopoly retailer is studied, obtaining optimal purchase decision and optimal pricing decision of retailers. Firstly, optimal decisions of retailers under carbon-free constraints and carbon cap-and-trade...

The mean-reverting constant elasticity of variance (CEV) process with regime switching is one of the most successful continuous-time models of the short term rate, volatility, and other financial quantities. However, most SDEs with Markovian switching do not have explicit solutions. This paper obtains...

The Entropy-TVD scheme was developed for the non-linear scalar conservation laws in [1].The scheme with step reconstruction simultaneously compute the two numerical entities, the numerical solution and the numerical entropy, and numerical examples show that the scheme provides a super-convergence rate....

In this paper, we study a class of nonlinear fractional partial differential equations with several delays to the second boundary condition. Based on properties of the Riemann-Liouville fractional derivative, we establish a sufficient oscillatory condition of all solutions. The result is illustrated...

In order to search the wreckage, this paper establish the particle network model, in terms of Monte Carlo simulation method and the Bayesian theory. Based on analytic inverse extrapolation, we use Monte Carlo simulation method to simulate thousands of particles and the distribution of the aircraft crash...

A 2-independent set in a graph G is a subset I of the vertices such that the distance between any two vertices of I in G is at least three. We say that I is a maximal 2-independent set in G if it is not a proper subset of any other 2-independent set. In this paper, we study the problem of determining...

In this paper, we first point out in the literature [6] the symbol definition of the theorem B is wrong .Secondly, I want to say in the literature [7] the proof process of lemma 1 is wrong. Thirdly, we point out the proof process of lemma 2.2 in the literature [8] is incorrect. Finally, given the correct...

Determining the location and date of photos and videos is needed in some fields, such as production, public security, public opinions and information. But most photos and videos coming from networks or unclear anonymous sources have no clear information about the photographers and no signs of the location...

We investigate the employment of the co-evolutionary genetic algorithm (CoGA) as a search mechanism in a support system for designing the prediction, functionality and interaction of expression level in population of gene expressions. To correctly identify interactions between various experimental conditions...

To resolve the multi-sensor tracking problem of the targets in a non-maneuvering formation with the complicated background, based on the image technique of the group segmentation, the deletion models of the cloud-rain clutter and the banded interference were established, and the validity was analyzed...

This paper proposes a new clustering coefficient based on the number of connecting vertices within a cluster (called inter vertex adjacent ratio, IVAR) and proposes a new clustering algorithm based on IVAR. Finally, the analysis of algorithm applicability shows that the algorithm is more applicative...

Multi-Objective Evolutionary Algorithms (MOEAs) are likely used to identify non-dominated solutions or Pareto front (the known Pareto front) in multi-objective optimization problems. The quality of Pareto front depends on evolution strategies that are evaluated under performance metrics of generational...

In the parking system, the inclination of the plate image is relatively large, which creates the recognition rate of license plate is lower than the positive imaging, based on the color information and the corner feature, this paper presents a fast correction algorithm , The license plate area separated...

The aim of this paper is to improve stability condition for neutral systems with mixed time-delay. By introducing a novel integral inequality based on the optimization theory, and constructing the novel Lyapunov functionals, an improved delay-dependent stability criterion is established. It is shown...

Firstly, grey verhulst model based on fractional order accumulate is deduced. Then, take advantage of differential and difference to find the corresponding relationship between the grey verhulst model of each order and the regression equation. Giving the level of significance , carry out the significance...

A new population-based search algorithm called the Fox Hunting Algorithm (FHA) is presented here. FHA is a general-purpose algorithm that can be applied to solve almost any optimization problem. The algorithm mimics the fox hunting activity which is formed and improved since 16th century. The algorithm...

A priori bounds are established for periodic solutions of a nonlinear differential equation with delay. By means of these bounds, an existence theorem for periodic solutions can be obtained by means of Mawhin's continuation theorem. Our work generalizes the known result.

Given a graph G= (V,E ) and a positive integer p" "|E|. The Line Subgraph Problem is: Is there a subset E'" "E such that |E'|" "p and H= (V,E ) is a line graph. In this paper, we design a linear time algorithm to solve the line subgraph problem for Halin graphs. The algorithm is optimal.

Parameter calibration of hydrological model is one of the most important issues in the field of hydrology. Practice experience suggests that the traditional calibration of hydrological model with single objective cannot properly measure all of the behaviors of hydrological system. In order to successfully...

The purpose of this paper is to define the notion of an interval-valued fuzzy ideal of N (2, 2,0) algebra. Necessary and sufficient conditions for an i-v fuzzy set to be i-v fuzzy ideals are stated. It is proved that the intersection and direct product in N (2, 2,0) algebra of i-v fuzzy ideal are also...

In this paper, a method of variable selection for partial linear single-index model is proposed, which is based on the M-estimation and the adaptive LASSO. And its oracle property is established and proved. Unlike the existing M-estimator of the partial linear single-index model, the unknown link function...

This paper investigates the property of positive solution to a biological population model with nonlinear boundary condition. Firstly the author gets the local existence result by a regularization method. Then under appropriate hypotheses, the author establishes that positive weak solution either exists...

Using the idea of Materials Genome Initiative (MGI) for reference, by means of the First-principle calculation method, according to the known MNCl (M = Zr, Hf) structure to build model, we systematically calculated and analysised the binding energy and reaction energy of two phases of lanthanon replaced...

The probabilistic models and methods for risk prediction and processes optimization, considering characteristics of threats, the measures of control, monitoring and recovery for complex system are proposed. The way of generating new models to increase an accuracy of probabilistic modeling is described....

Compressed air is considered to be the second electric power energy in the industrial applications, the energy consumption accounted for about 9% of the national industrial power consumption, study the compressed air system is of great significance. This paper studies the frequency conversion constant...

A kind of UAV with coaxial propellers and multi-rotor is presented and the dynamics model of this UAV is established in this paper, then the control system of the UAV is designed on the basis of PID control algorithm, which includes altitude and atti-tude control module. Simulation results show that...

It is of great necessity to explore a method to seek for a wrecked plane in the sea. In this paper we think of a static situation and establish a model that can be applied to quickly search the plane fallen into different oceans. Firstly, we develop a parabola model to simulate the process of plane falling....

To study epicenter intensity model of aftershock, regression analysis on 68 sets data of main shocks and their aftershocks have done, epicenter intensity linear model has researched. According to analysis of earthquake parameters such as peak ground acceleration (PGA), ground motion duration, spectrum...

The complex adaptive multi-agent system evolution requires the system is capable of evolving dynamically according to the application requirements and run-time environment changes. The scenario concept in the requirements phase of software engineering domain is introduced to the dynamic evolution. Different...

Industrial added value (IAV) is an important indicator to measure a country's industrial development level, at the same time, is also a core indicator of national economy accounting system. The paper respectively using ARIMA and Holt - Winters, the two time series forecasting model, to fit the monthly...

In order to provide scientific and effective analysis tools and decision support platform for the irrigation district management, this paper provides a way using GIS spatial database, visualization simulation(VS) to research on a new way for irrigation management system. During the system, interface...

Performance of Automatic Identification System (AIS) transmitter is very important for AIS network reliability and marine safety. In order to ensure the performance, a high precision AIS transmitter automatic test system based on Virtual Instrument Software Architecture (VISA) and the Standard Commands...

The flight dynamic equations in mathematics for aircraft response to the crosswind effects during the landing are highly non-linear partial differential equations. The main objective of this paper is to present fuzzy-logic modeling (FLM) technique to establish flight control models with the function...

The performance of gas-drilling (drilling oil and gas wells with air, nitrogen, or natural gas) is very unpredictable in many areas due to lacking of proper design of drilling parameters because of limited understanding of gas-rock interaction which requires knowledge of heat transfer in the well system....

The alumina-based eutectic ceramic is considered as a most promising candidate materials of aviation engines due to its excellent mechanical property and high temperature oxidation resistance. Effect of the crucible rotation on the zone melting process of the eutectic ceramic is analyzed by finite element...

For unstability and backward control method of ceramic shuttle kiln control system, a kind of hybrid intelligent control method of ceramic shuttle kiln is proposed in the paper. According to firing process of ceramic shuttle kiln, intelligent hybrid model of firing process for ceramic shuttle kiln was...

Face as the most direct and important carrier of human's daily emotional expression and information exchange, with its peculiar to different from other organs and parts of the universality and ease of use as mathematical modeling of the object of study, and many research algorithm has been applied to...

This research is to solve the stability analysis issue of nonlinear pressurized water reactor cores. On the basis of modeling a nonlinear pressurized water reactor core using the lumped parameter method, its linearized model is achieved via the small perturbation linearization way. Linearized models...

A two-dimensional tidal model with the adjoint method is used to investigate the optimum strategy for siting of new tidal stations in the Bohai Sea. Open boundary conditions of the model are estimated and the M2 constituent in the Bohai Sea is simulated by assimilating observations from tidal stations...

An adaptive unscented Kalman filtering(UKF) method for geomagnetic/celestial autonomous navigation is presented to solve the problem that the conventional UKF is sensitive to the initial value and declines in accuracy and further diverges due to the system model inaccuracy. Firstly, the residual sum...

This paper studied how to use the variation of the dispersion curves of Rayleigh wave group velocity to detect interfacial debonding damage between FRP plate and steel beam. Since FRP strengthened steel beam is two layers medium, Rayleigh wave velocity dispersion phenomenon will happen. The interface...

Despite the possibility of finding exact solutions to the Einstein field equations, there is another way to obtain new exact solutions without having to directly solve the Einstein field equations. This method is the so called "solution generating theorems". In the descriptive approximation of stars,...

In this paper, a model of active control system with delays is studied. Some sufficient conditions to guarantee the stability and oscillations for the system are established. Computer simulation is given to support our result.

Fiber orientation is an important factor affecting the filling process of resin transfer molding process. In this paper, a 2-D geometry model was designed for the purpose of finding the flow behavior of the resin in the mold filling stage. The case of constant injection rate was studied in the designed...

For urbanization in plateau lake basins, city planning needs to balance the tradeoff between urban growth and preservation of ecological environment by adopting intensive land use and maintaining sufficient open space. This research designs and evaluates four land use types in Dianchi Lake basin, Yunnan...

By analyzing the heat transfer situation of the polymerase chain reaction (PCR) instrument pedestal, a mathematical model to reflect the temperature field function of the pedestal is proposed, and then this model is simplified to obtain a simple two-dimensional heat transfer model. According to the results...

Particle Modeling is a frequently used technique for fluid simulation. Different kinds of implementations of such simulations have been presented in the last decades. In order to achieve good results as to accuracy and computing performance, one has to find appropriate formulas and parameters for the...

Traditional multi GPU processor cluster task scheduling and allocation method uses the time gap allocation method does not consider each task execution requirements and each computer node of actual operation ability, the overall efficiency of the implementation. Proposed a hybrid scheduling multi GPU...

The relations of solutions between different models of Support Vector Regression are proposed in this paper. Usually, Support Vector Regression (SVR) is formulated as a convex quadratic programming with bound constrains. With different improvements, different improved regression models and their strong...

In this paper, we investigate the high order well-balanced essentially non-oscillatory (WENO) finite difference scheme for simulations of tidal wave equations. The third order WENO scheme is employed to capture high gradients in an essentially non-oscillatory manner with a discretization by the third...

This essay firstly analyzed the development trend of space debris, and the establishment of a development model of low-orbit space debris size. On this basis, this essay in-depth analysis of the efficiency of different methods to eliminate debris. The relational model is built for the elimination of...

The " "-" " turbulence model and the VOF method of moving interface tracking have been used to generate the wave. By two-way iterative method, the fluid structure interaction between wave and steel pipe pile platform has also been simulated numerically by using ANSYS Workbench. Taking the construction...

Spam is one of the major problem of today's life because it causes a lot of extra expense both in network infrastructure and our individual life. Among those approaches developed to detect spam, the content-based detection technique, especially statistical-based Bayesian algorithm is important and popular....

The high concentration of dust particles in the environment is one of the main causes resulting for electrical contact failure of coaxial connectors. Therefore, it is important to carry out proper methods to predict life time of coaxial connectors. In the life time investigation of coaxial connectors,...

A Six Sigma method is proposed to improve the investment management process. In addition to conventional stochastic optimisation, simulation and risk management, as a new concept, Six Sigma DMAIC (Define, Measure, Analyse, Improve and Control) is applied by merging DMAIC into portfolio management. The...

In this paper, we studied the machine repair model with impatient behaviors-balking and reneging. There are several warm spares and repairmen who take the synchronous multiple vacations in the system. We use the method of blocked matrix to solve the steady-state probability equations. And we acquired...

This paper focuses on how to train for more fit social development Android mobile application development talents to expand research, elaborate Android curriculum reform and curriculum ideas, explain the teaching contents, teaching ways, teaching means and assessment methods of Android curriculum in...

According to the market of carnation flowers is processed by vacuum drying, focuses on the flower color retention treatment. By the contrast test analysis, factors to influence on the quality of flowers were obtained, and to improve, for flowers on the systematic and reasonable ground treatment.

In order to determine the best strategy for a person to get venly maintained temperature throughout the bath water in a simple water vessel without wasting too much water, we employ methods in Pyrology to build models and simulate and analyze the water temperature distribution in the bathtub under. By...

We are to introduce the phase-shift keyed signal detector with a relatively simple construction, the one that provides the high-noise immunity. We are demonstrating that the specified detector can extract the phase-shift keyed signals when the signal-to-noise ratio is much less than its working value...

Selecting the best hitter in a professional baseball league is considered a multi-attribute decision-making problem. We developed an evaluation model based on literature review and the Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) to select the best hitter in the Chinese...

Creating the good teaching experience for new online educators is important, but many new teachers are limited with technological skills or little (if any) e-learning management systems background. The transition from Face-to-Face (F2F) traditional live classroom to a new virtual one involving online...

In this paper, reform attempts in the aspects of basic theory, experiment simulation and engineering practice are carried out in order to resolve the practical problems in the course "digital signal processing" teaching process. Reforms are focused ones sential training, and deeply analyze the classic...

The computational tool "Optimizer" written in Matlab is presented. This program is aimed to work with complicated multivariate mathematical models by constructing them from simpler blocks, presented by program routines with predefined interface, and optimizing the resulting multi-block model. The optimization...

This paper focuses on the practical performances of the limited-memory BFGS (L-BFGS) method and the steepest descent method (GDM-S) by an adjoint data assimilation approach. The optimization procedure of the L-BFGS method in the ideal experiments clearly shows that the parameters should be scaled to...

The robust stabilization problem is investigated for a class of delta operator formulated Markovian jump systems with time-varying delays. The aim is to design a state feedback controller which can make the closed-loop system stochastic asymptotically stable in delta domain. A sufficient condition of...

Project scheduling is the significant technique to attain the lean management, and applications can be found in such fields as construction engineering, equipment support, software development, etc. An activity-on-arrow (AOA) version of the resource constrained project scheduling problem (RCPSP) with...

Methods for measuring functional diversity are the basis of community studies. Two newly functional diversity indices, fuzzy index and SOFM index, were applied and tested in functional diversity analysis in Acanthopanax senticosus communities in the Dongling Mountains in China. Thirty quadrats were established...

This paper broadly outlines the task of evaluating the risks associated with planning when tackling the issues of choice and planning in productive-and-economic systems to implement the projects resulting from the application of criteria-based approaches, as well as the task of evaluating production...

This paper is aimed to investigate the possibility of using a new method of dose and image quality optimization by employing visual grading analysis with a slight modification. Cone beam CT was utilized with different exposure settings to acquisition several images to skull phantom. Three different observers...

In order to interpret the importance of monitoring and control of HIV/AIDS, according to our ideas of monitoring and control of HIV/AIDS, a continuous SUI epidemic model for HIV/AIDS is established in which S denotes susceptible individuals, U denotes individuals infected with HIV but undiscovered and...

In this paper, the impact of the satellite on two-way satellite time and frequency transfer (TWSTFT) in Asia links is analyzed. If two distances from two stations to the satellite are different, the non-reciprocal paths are produced, which impact the accuracy of TWSTFT. In addition, due to the Earth's...

In order to research the relationship between male rat's liver weight and their body weight, Grey theory method and Radial Basis Function neural network method were used to model the liver related data in male rats. First of all, the sample standard deviations of the liver weight mean value were obtained...

People have payed more and more attention to biomass energy as the problem of energy is becoming serious. Biomass power generation is an important application of biomass energy. Because the basis and condition of biomass power generation are different in different regions, a reasonable risk evalution...

As one solution to complex product design, the integrated design environment has experienced several decades of development with great changes. This paper reviews the emergence, development history and future trend of integrated design environment. Firstly, the concept and connotation of design are analyzed,...

Minimization technique is used on the Nehari manifold for p-Laplace equation with a nonhomogeneous nonlinearity where compactness is not guaranteed. In the space of radial functions, the point overcoming the lack of compactness is to show that the minimizing sequence converges in a strong enough sense...

It is limited to resolve conflict with single conflict resolution method in cooperative design. The conflict classification, the conflict detection and conflict resolution technology were discussed and an integrated conflict management model is developed in this paper. In this model, according to the...

In the past few decades, a great interest has been focused on a naturally occurring class of polymers called chitosan for their large amount in nature, biodegradability and extensive applications. Water-soluble chitosan oligomer is composed of " "-(1,4)-2-amido-2-deoxy-D-glucan and " "-(1,4)-2-acetoamido-2-deoxy-D-glucan(acetylglucosamine),...

In this paper, the problem of group consensus of second-order multi-agent networks with multiple time delays is investigated. Based on the theory of frequency-domain, some algebraic criteria are proposed analytically which can guarantee the multi-agent networks to achieve group consensus. Results show...

In this paper, we study the popular group-buying model in which theseller offers discount on the group-buying websites to attract new customers coming to experience its service. This paper analyses seller's pricing decision between only running offline business and joining the group-buying business....