first autoregressive model with exogenous variables and trend

DSpace at VNU: Dynamics of species in a model with two predators and one prey

DSpace at VNU: Dynamics of species in a model with two predators and one prey

... predator–prey model which has one prey and two predators with Beddington–DeAngelis functional responses Firstly, we establish a set of sufficient conditions for the permanence and extinction ... coefficients in those models should depend on time [15–18] In order to continue studying such models, in this paper, we consider a predator–prey model of one prey and two predators with Beddington–DeAngelis ... X0exp  t t0BA(s,X(s))ds   , where t0≥0 and X0=X(t0) Consider the solution of system(1.1)with an initial value x0∈Γϵ FromLemma 2.1and from the first equation of(1.1), we have x′1(t) ≤ x1(t)[a1(t)

Ngày tải lên: 16/12/2017, 02:35

14 149 0
Optimal replenishment policy for fuzzy inventory model with deteriorating items and allowable shortages under inflationary conditions

Optimal replenishment policy for fuzzy inventory model with deteriorating items and allowable shortages under inflationary conditions

... defective items with constant defective and deterioration rate and time dependent demand Recently, Pattnaik [20] developed a single item EOQ model where unit price varies inversely with demand and setup ... Yao and Chiang [34] considered the inventory model with total demand and storing cost as triangular fuzzy numbers They performed the defuzzification by centroid and signed distance methods De and ... by Kaufmann and Gupta [14] Halim et al [12] developed a fuzzy inventory model for perishable items with stochastic demand, partial backlogging and fuzzy deterioration rate This model is further

Ngày tải lên: 03/02/2020, 23:53

20 35 0
A production inventory model with deteriorating items and shortages

A production inventory model with deteriorating items and shortages

... discussed a heuristic model with time-proportional demand An Economic Order Quantity (EOQ) model for deteriorating items with shortages and linear tend in demand was studied by Goswami and Chaudhuri ... replenishment and no shortage, but only a special case of the model was solved under very restrictive assumptions Deb and Chaudhuri [6] studied a model with a finite rate of production and a time-proportional ... discussed an inventory model for replenishment This was followed by another model by Dave [4] with variable instantaneous demand, discrete opportunities for replenishment and shortages Bahari-Kashani

Ngày tải lên: 04/02/2020, 09:14

12 43 0
Quantity discount for integrated supply chain model with back order and controllable deterioration rate

Quantity discount for integrated supply chain model with back order and controllable deterioration rate

... affect demand as stock-level, time, price, advertisement, and trade credit Khouja and Robbins [13], Shah and Pandey [23], Giri and Maiti [9], Chowdhury et al [5], Shah [24], Chung and Crdenas-Barrn ... 0.02/unit/annum Models Without quantity discount With quantity discount Optimal preservation cost($) 326.7416926 54.37978617 Table 1: Comparison between with and without quantity discount models Table ... et al [20], Pal and Chandra [17], Sarkar [21] extended that model by taking different assumptions to make it more realistic Ghare and Schrader [8] were the first who formulated a model for inventory

Ngày tải lên: 04/02/2020, 17:15

15 32 0
An inventory model with credit, price and marketing dependent demand under permitted delayed payments and shortages: A signomial geometric programming approach

An inventory model with credit, price and marketing dependent demand under permitted delayed payments and shortages: A signomial geometric programming approach

... An inventory model with credit, price and marketing dependent demand under permitted delayed payments and shortages: A signomial geometric programming approach Masoud Rabbani a* and Leyla Aliabadi ... the distinction among unit price and unit cost Shinn and Hwang (2003) presented an EOQ model in which demand rate depends on the selling price and credit period and credit period depends on the ... marketing expenditure and selling price on demand simultaneously in one model For the first time, we propose a new inventory model under partial delayed payments that considers demand as multivariate

Ngày tải lên: 27/05/2020, 03:16

16 25 0
better reservoir management through improved waterinjection method with data analysis and deail fracture model reservoir

better reservoir management through improved waterinjection method with data analysis and deail fracture model reservoir

... proven inadequate, and most reser- voir simulators do not explicitly model water injectors. This paper proposes a methodology of using detailed and coupled fracture and reservoir modeling to ensure ... (vertical and horizontal), stress contrasts, plugging, and injection rate. The details of the model for fluid flow in the fracture and fracture propagation are presented in [2], and the details ... into the lower, more permeable sand, but still injects into newly perforated sand and the sand above. There is no risk of fracturing into the extremely permeable sand at the top. The figure also

Ngày tải lên: 04/10/2014, 22:11

10 161 0
a one-dimensional model of blood flow in arteries with friction, convection and unsteady taylor diffusion based on the womersley velocity profile

a one-dimensional model of blood flow in arteries with friction, convection and unsteady taylor diffusion based on the womersley velocity profile

... eee eee 54 Results Comparison of Model with Experiment, Comparison of Different Versions of the Model and Disease Modeling 61 7.1 Comparison of Simulation with and without Womersley Profiles 67 ... 18Comparison of Pressure with and without Womersley Profiles Velocity profiles at various locations in the arterial tree simulated using Womersley model combined with 1D model Comparison of flow ... turn in encouraging me, teasing me, and making life enjoyable and fun I would like to specifically thank Hani Fares and family, my cousins George and Joe and the Naggiar family I can not begin

Ngày tải lên: 13/11/2014, 10:12

179 216 0
Evaluation of model fit in latent growth model with missing data, non normality and small sample

Evaluation of model fit in latent growth model with missing data, non normality and small sample

... for models with 12 timepoints by sample sizes, missing data pattern and non-normality A-26 Table A15 Standard errors for models with 3 timepoints by sample sizes, missing data pattern and non-normality A-27 Table ... non-normality A-27 Table A16 Standard errors for models with 6 timepoints by sample sizes, missing data pattern and non-normality A-28 Table A17 Standard errors for models with 9 timepoints by sample ... timepoints in growth models. The model with 3 timepoints was chosen to be the smallest model because 3 timepoints is the minimum number of timepoints to run a latent growth model. The model with 12 time

Ngày tải lên: 01/10/2015, 17:28

110 421 0
Evaluation of model fit in latent growth model with missing data, non normality and small sample

Evaluation of model fit in latent growth model with missing data, non normality and small sample

... Table A15 Standard errors for models with 3 timepoints by sample sizes, missing data Table A16 Standard errors for models with 6 timepoints by sample sizes, missing data pattern and non-normality ... non-normality A-28 Table A17 Standard errors for models with 9 timepoints by sample sizes, missing data pattern and non-normality A-29 Trang 9Table A18 Standard errors for models with 12 timepoints by ... timepoints in growth models The model with 3 timepoints was chosen to be the smallest model because 3 timepoints is the minimum number of timepoints to run a latent growth model The model with 12 time

Ngày tải lên: 05/10/2015, 22:04

110 560 0
Generation of mouse graves ophthalmopathy model with full length TSH receptor plasmid and cytokine evaluation by real time PCR

Generation of mouse graves ophthalmopathy model with full length TSH receptor plasmid and cytokine evaluation by real time PCR

... Mr Edmund Chan and Ms Jane Ng who had to put up with my messy workbench and cluttered writing table, thank you You guys are very nice people It has been great fun working with you and I am really ... the pituitary gland secretes thyrotropin (TSH) which stimulates iodine trapping and increasing cAMP, thus thyroid hormone synthesis, and release of T3 and T4 by the thyroid gland TSH is regulated ... thyrocytes and thyroid hormone T3 and T4 overproduction, leading to diffuse goiter and thyrotoxicosis These TRAB with stimulatory activity are known as thyroid stimulating antibodies (TSAB) and is

Ngày tải lên: 07/10/2015, 09:55

98 146 0
The tax deferred saving plan and private savings in an OG model with production

The tax deferred saving plan and private savings in an OG model with production

... Tables iv 1 Introduction 1 2 The Model 5 3 Flat-rate income taxes 10 3.1 Without RRSPs 11 3.2.1 With RRSPs and positive non-RRSPs saving 14 3.2.2 With RRSPs and zero non-RRSPs saving 18 4 ... system 19 4.1 Without RRSPs 20 4.2.1 With RRSPs and positive non-RRSPs saving 22 4.2.2 With RRSPs and zero non-RRSPs saving 25 5 Numerical example of flat taxation 25 5.1 The case with positive ... developed a small open economy model with exogenous endowments in lifecycle and shows that the RRSPs reduce the after-tax return to saving within a progressive taxation system and this substation effect

Ngày tải lên: 13/10/2015, 15:55

61 198 0
Cosmological model with a local void and observational constraints

Cosmological model with a local void and observational constraints

... =(0.25,0.50,0.75,1.00), with R =0.69 and z =1 0.23 .33 3.11 68.3% and 95.4% CL contours in Ω −Ω plane for the model with out λ standard parameters (dotted line) and with α =0.5, R =0.77 and Trang 8CHAPTER ... modulus and standard deviation of each bin of SCP Union compilation .24 3 Best-fit Ω and out Ω with 1σ statistical errors, and λ 2 5 Best-fit Ω and out Ω with 1σ statistical errors, and λ 2 Trang ... fitting and the results 21 3.1 Standard parameters 21 3.2 Variation of confidence contours with model parameters 26 3.3 The ΛCDM model with clumpiness effect 31 3.4 Clumpy Universe and local

Ngày tải lên: 16/10/2015, 15:34

68 100 0
Model selection in multi response regression with grouped variables

Model selection in multi response regression with grouped variables

... Experiments with Simulated Data 26 3.1.1 Model Fitting with Categorical Simulated Data 27 3.1.2 Model Fitting with Continuous Simulated Date 41 Experiments with Real ... regression model, that means we would like to delete some variables from our model Let the set of variables remaining be X1 , X2 , , Xp and those excluded be Xp+1 , Xp+2 , , Xq , then the model ... consumption and socioeconomic and demographic variables of customers such as age, income and skin type; A trader may... benefits of input selection including more accurate model explanation and

Ngày tải lên: 26/11/2015, 12:31

78 235 0
DSpace at VNU: Modeling municipal solid waste collection: A generalized vehicle routing model with multiple transfer stations, gather sites and inhomogeneous vehicles in time windows

DSpace at VNU: Modeling municipal solid waste collection: A generalized vehicle routing model with multiple transfer stations, gather sites and inhomogeneous vehicles in time windows

... 2015) and (Khan and Samadder, 2014) Various studies have been done to check the suitability of landfill locations and garbage transfer stations, and to compare the existing facilities and scientifically ... locations of garbage bins and landfill sites In this paper, we use MCDA method to compare the practical routes in Danang and the optimization route (ArcGIS with the model) with Analytic Hierarchy ... systems (3D GIS) modeling for the waste collection and transportation Some factors such as the driving situations, vehicle load and road gradient were integrated to the VR model This model is capable

Ngày tải lên: 16/12/2017, 04:43

16 126 0
DSpace at VNU: Study of B0(s) → K0S h+h''- decays with first observation of B0s → K0S K± π± and B0s → K0S π+ π-

DSpace at VNU: Study of B0(s) → K0S h+h''- decays with first observation of B0s → K0S K± π± and B0s → K0S π+ π-

... JHEP10(2013)143 Study of B(s) → KS0h+h − decays with first observation of Bs0 → KS0K ±π ∓ and Bs0 → KS0π +π − Contents Detector and dataset Trigger and event selection Fit model 5 Determination of the efficiencies ... bias The input variables for the BDTs are the pT , η, χ2IP , χ2VS , pointing angle and χ2vtx of the B candidate; the sum χ2IP of the h+ and h− ; the χ2IP , χ2VS and χ2vtx of the KS0 candidate The ... Auvergne (France); BMBF, DFG, HGF and MPG (Germany); SFI (Ireland); INFN (Italy); FOM and NWO (The Netherlands); SCSR (Poland); MEN/IFA (Romania); MinES, Rosatom, RFBR and NRC “Kurchatov Institute”

Ngày tải lên: 16/12/2017, 04:57

22 146 0
DSpace at VNU: Vertical Momentum Transports Associated with Moist Convection and Gravity Waves in a Minimal Model of QBO-like Oscillation

DSpace at VNU: Vertical Momentum Transports Associated with Moist Convection and Gravity Waves in a Minimal Model of QBO-like Oscillation

... et al 1992;Alexander et al 1995) andtheir possible role in forcing the QBO in the equatorialstratosphere (Alexander and Holton 1997) In theseexperimental studies with regional models, numericaltime ... examined the lationship between CMT and GWMT in the tropo-sphere with a regional cloud-system-resolving model.Recently,Lane and Moncrieff (2010, hereafterLM10)andShaw and Lane (2013, hereafterSL13)studied ... Cloud-system-resolving model experiments 1) MODEL DESCRIPTION The model used here is the Advanced Research ver-sion of the Weather Research and Forecasting (WRF) Model (ARW), version 3 (Skamarock et al 2008), and

Ngày tải lên: 16/12/2017, 05:39

23 137 0
Bài giảng Violent collision of Antegrade with retrograde coronary flow causing the first endothelial injury, starting a plaque and breaking the cap of vulnerable plaques

Bài giảng Violent collision of Antegrade with retrograde coronary flow causing the first endothelial injury, starting a plaque and breaking the cap of vulnerable plaques

... Formation and Implosion Formation of a bubble and its burst creating micro-jets Background • When the bubbles explode, the endothelial layer is damaged and lets the LDL particles pass through and form ... in white and contrast in black Methods • To compare the type of flow of same patient between the Right Coronary Artery (RCA) (with turbulent flow) and the Left Circumflex Artery (LCX) without ... turbulent and they happened in the area with multiple lesions • Only 10% lesion happened in the area without turbulence CONCLUSIONS TURBULENT FLOW at the mid segment of the right, circumflex and left

Ngày tải lên: 15/01/2020, 23:18

26 33 0
Production inventory model with disruption considering shortage and time proportional demand

Production inventory model with disruption considering shortage and time proportional demand

... production disruption and analyzed the system under different situations Sarkar and Moon (2011) considered a classical EPQ model with stochastic demand under the effect of inflation The model is described ... production control inventory model for deteriorating items with shortage is developed by Samanta and Roy (2004) and the optimal average system costs, stock level, backlog level and production cycle time ... an inventory model by considering both amelioration and deterioration over a finite planning horizon with time varying demand Benhadid et al (2008) developed production inventory model for deteriorat-ing

Ngày tải lên: 02/02/2020, 12:15

16 26 0
Inventory model of deteriorating items with two-warehouse and stock dependent demand using genetic algorithm in fuzzy environment

Inventory model of deteriorating items with two-warehouse and stock dependent demand using genetic algorithm in fuzzy environment

... an item with exponential decay and constant demand Covert and Philip [1973] extended the model to consider Weibull distribution deterioration Mishra [1975] formulated an inventory model with a ... q,represent demand and stock level, respectively Two constant c d, are chosen so to fit the demand function the best, whereas Urban [1992], Giri et al [1996], Mandal and Maiti [2000], Maiti and Maiti ... [2005, 2006] and others consider the demand of the form r D=dq where d, r are constant, chosen so to fit the demand function the best Goyal and Chang [2009] obtained the optimal ordering and transfer

Ngày tải lên: 04/02/2020, 03:42

28 42 0
báo cáo hóa học:" Dynamical analysis of a biological resource management model with impulsive releasing and harvesting" pdf

báo cáo hóa học:" Dynamical analysis of a biological resource management model with impulsive releasing and harvesting" pdf

... analysis of a biological resource management model with impulsive releasing and harvesting Jianjun Jiao∗1 , Lansun Chen2 and Shaohong Cai1 School of Mathematics and Statistics, Guizhou Key Laboratory ... resource management, we proposed and investigated a predator–prey model with impulsive releasing prey population and impulsive harvesting predator population and prey population at different fixed ... predator–prey models with harvesting (or dispersal and competition) are investigated by many articles [5–8] In general, the exploitation of population should be determined by the economic and biological...

Ngày tải lên: 21/06/2014, 17:20

31 287 0
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