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Reduced Models of Algae Growth
Bulletin of Mathematical Biology, 2009The simulation of biological systems is often plagued by a high level of noise in the data, as well as by models containing a large number of correlated parameters. As a result, the parameters are poorly identified by the data, and the reliability of the model predictions may be questionable.
Haario, Heikki +2 more
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IEEE Transactions on Reliability, 1978
A system can be in one of two states: perfect (s0) or imperfect (s1). At any trial, the system can succeed or fail if it is in s1, but will never fail if in s0. After every failure, some corrective action is taken which, with a chance ?, will lead to a transition to s0. Even if the corrective action does not succeed, i.e. the system is still in s1, the
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A system can be in one of two states: perfect (s0) or imperfect (s1). At any trial, the system can succeed or fail if it is in s1, but will never fail if in s0. After every failure, some corrective action is taken which, with a chance ?, will lead to a transition to s0. Even if the corrective action does not succeed, i.e. the system is still in s1, the
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Multilevel Modeling in the Context of Growth Modeling
Annals of Nutrition and Metabolism, 2014Multilevel modeling is a flexible approach for the analysis of nested data structures, such as those encountered in longitudinal studies with repeated measures of an outcome of interest taken across time and nested within subjects. The baseline score on the outcome and rate of change vary across subjects, and subject level predictor variables may be ...
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Evidence on the "Growth-Optimum" Model
The Journal of Finance, 1973The following sections are included:INTRODUCTIONA TEST STATISTIC FOR THE GROWTH-OPTIMUM MODELA SIMPLE TEST OF THE GROWTH-OPTIMUM MODEL'S BASIC VALIDITYRELATIONS BETWEEN THE GROWTH-OPTIMUM AND THE SHARPE-LINTNER MODELSSUMMARY AND ...
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Models of Economic Growth and Models of the Growth of Enterprises
2014This section deals with the last dimension of the AGG model—the growth realm—and the relevance of technology and innovation to this subject. This chapter discusses briefly the recent developments in two deeply connected strands of the economic literature: the complex phenomenon of economic growth (mostly of nations) and the phenomenon of the growth of ...
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Growth in the Constant Growth Model
Business Valuation Review, 2006Abstract This article discusses the conditions that justify the use of the constant growth model. The constant growth model is very sensitive to the assumptions regarding the firm's operating ratios, capital structure, and dividend policy. If the constant growth model is used and these factors are not coordinated and consistent, the valuation ...
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Mathematical modelling of electrode growth
Journal of Applied Electrochemistry, 1994It is known that during electrodeposition or dissolution electrode shape change depends on the local current density (Faraday's law in differential form). Assuming that concentration gradients in the bulk of the solution may be neglected, the current distribution in an electrochemical system can be modelled by a Laplace equation (describing charge ...
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A study over with four‐parameter Logistic and Gompertz growth models
Numerical Methods for Partial Differential Equations, 2021Mehmet Korkmaz
exaly