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Non-stationary

Inventory control for a non-stationary demand perishable product: comparing policies and solution methods

Inventory control for a non-stationary demand perishable product: comparing policies and solution methods

... Pauls-Worm et al. (2014) presented an SP inventory model that minimises the expected total costs, including setup cost, unit procurement cost, holding cost and cost of waste, for a perishable product with ...

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Detection of Non Stationary Photometric Perturbations on Projection Screens

Detection of Non Stationary Photometric Perturbations on Projection Screens

... of non-stationary photometric perturbations in projected images by means of computer vision ...under stationary photometric perturbations caused by external ...

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Generating order policies by SDP: non-stationary demand and service level constraints

Generating order policies by SDP: non-stationary demand and service level constraints

... Abstract. Inventory control implies dynamic decision making. There- fore, dynamic programming seems an appropriate approach to look for order policies. For finite horizon planning, the implementation of service level ...

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An ACO model for a non-stationary formulation of the single elevator problem

An ACO model for a non-stationary formulation of the single elevator problem

... a non- stationary combinatorial optimization problem which consists in finding a sequences of movements for a set of elevators in a particular building in order to minimize the Users Average Waiting ...is ...

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Time-Frequency techniques for the detection of signals in non-stationary environments

Time-Frequency techniques for the detection of signals in non-stationary environments

... spectral representations with time running along one axis and frequency along the other axis. The values of TFR surface above time-frequency plane give an indication as to which spectral components are present at which ...

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Ecuación modelo operacional con aplicación de balance de materia en estado no estacionario.// Operational model equation applying material balance in a non-stationary state.

Ecuación modelo operacional con aplicación de balance de materia en estado no estacionario.// Operational model equation applying material balance in a non-stationary state.

... The aim of the present research work was to determine mathematical model of the operational equation applying non-stationary state material balance principle. A tank filled with water was used for the ...

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Essays on Non-Stationary Panel Analysis

Essays on Non-Stationary Panel Analysis

... This thesis consists of three self-contained essays on non-stationary panel data. We propose novel approaches to both cointegration and unit root analysis in panel data models. The main contribution of this ...

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Evolutionary optimization in non-stationary environments

Evolutionary optimization in non-stationary environments

... 0 Pmo,.i:. Another measure >vas based on the observation of the population distribution. orms of the entropy evaluation depended on the demands of the applied al[r] ...

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Automatic signal extraction for stationary and non stationary time series by circulant SSA

Automatic signal extraction for stationary and non stationary time series by circulant SSA

... In many occasions, macroeconomic policy relies on analyzing a particular signal from the observed time series as the cycle or the trend. Additionally, statistical o¢ ces need to pro- duce seasonally adjusted data for a ...

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Evolutionary multiobjetive optimization in non-stationary environments

Evolutionary multiobjetive optimization in non-stationary environments

... ment types, the Pareto fronts produed by MADE. are very lose to the true Pareto fronts with a[r] ...

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An immune artificial algorithm for dynamic optimization problems: a case of study

An immune artificial algorithm for dynamic optimization problems: a case of study

... Trojanowski K. in [14] analyze the efficiency of two mutation operators ap- plied in a clonal selection based optimization algorithm (AIIA) for non-stationary tasks. Both operators use a α−stable random ...

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A primer on unit-roots and cointegration . Cátedra de Econometría

A primer on unit-roots and cointegration . Cátedra de Econometría

... between non-stationary, unit- root ...are non- stationary, there is some long-run equilibrium relationship linking both series so that relationship is ...

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BAYESIAN ESTIMATION OF A SUBJECT-SPECIFIC MODEL OF VOICE PRODUCTION FOR THE CLINICAL ASSESSMENT OF VOCAL FUNCTION

BAYESIAN ESTIMATION OF A SUBJECT-SPECIFIC MODEL OF VOICE PRODUCTION FOR THE CLINICAL ASSESSMENT OF VOCAL FUNCTION

... stochastic non-stationary estimator and test it with clinical ...a non-stationary Bayesian estimation on the proposed model to produce a subjec-specific set of model parameters, and (3) to ...

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An evolutionary algorithm to track changes of optimum value locations in dynamic environments

An evolutionary algorithm to track changes of optimum value locations in dynamic environments

... in non-stationary systems needs to attack two goals: detecting that a change in the environment has occurred, and reacting properly to the change so that the optimum can still ...

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A technique for fuzzifying metric spaces via metric preserving mappings

A technique for fuzzifying metric spaces via metric preserving mappings

... In Section 3, we have provided a technique which is able to induce sta- tionary fuzzy metric spaces from classical metric spaces by means of metric preserving functions and, in addition, we have studied the completion ...

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How important are internal temperature gradients in french straws during freezing of bovine sperm in nitrogen vapor?

How important are internal temperature gradients in french straws during freezing of bovine sperm in nitrogen vapor?

... The non-stationary heat transfer partial differential equations with variable properties (nonlinear mathematical problem) were numerically solved considering in series thermal resistances (semen ...

9

Spurious multivariate regressions under stationary fractionally integrated processes

Spurious multivariate regressions under stationary fractionally integrated processes

... two stationary I(d) processes (as long as the sum of their orders of integration is a value greater than 1 2 ...concerning stationary fractionally integrated processes to the case of a multivariate ...

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Multivariable controller for stationary flat plate solar collectors

Multivariable controller for stationary flat plate solar collectors

... Principal pump (Pump 0) In the Fig. 2.40, it is shown the principal pump subsystem (Pump 0 in Fig. 2.38). It presents one transfer function blocks for each loop and what is inside it is show in Fig. 2.41. It evince the ...

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Stability of solutions of chemotaxis equations in reinforced random walks

Stability of solutions of chemotaxis equations in reinforced random walks

... and with initial valúes near (/?*, w*), exists for all í > 0 and converges, as t -> oo, to a nearby stationary solution (p, w). For simplicity we shall always take D = 1. The assertion (1.4) means that, ...

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Aerodynamic Analysis of Cup Anemometers Performance:
The Stationary Harmonic Response

Aerodynamic Analysis of Cup Anemometers Performance: The Stationary Harmonic Response

... the non-dimensional third harmonic term, 𝜔 3 /𝜔 0 , calculated for every wind speed of the calibrations regarding the studied porous cups rotors (h-09/60, h-19/60 and h-24/60), is shown together with the results ...

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