Results 181 to 190 of about 452,511 (216)
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A generational genetic algorithm with dynamic population size
Proceedings of the 47th Annual Southeast Regional Conference, 2009In this paper, a Generational Genetic Algorithm with Dynamic Population Size (GGAWD) is proposed. This algorithm and other Genetic Algorithms (GAs) are applied to F6* and F7* functions in order to find which algorithm is the best. The same evaluation times and runs are used to compare the effectiveness of the algorithms.
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Sparse generalized Laguerre-Volterra model of neural population dynamics
2009 Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2009To understand the function of a brain region, e.g., hippocampus, it is necessary to model its input-output property. Such a model can serve as the computational basis of the development of cortical prostheses restoring the transformation of population neural activities performed by the brain region.
Dong, Song +5 more
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A General Method for Modeling Population Dynamics and Its Applications
Acta Biotheoretica, 2013Studying populations, be it a microbe colony or mankind, is important for understanding how complex systems evolve and exist. Such knowledge also often provides insights into evolution, history and different aspects of human life. By and large, populations' prosperity and decline is about transformation of certain resources into quantity and other ...
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General practitioner distribution and population dynamics: Munich, 1950–1990
Social Science & Medicine, 1994The problem of variable geographic distribution of physicians appears to be universal and intransigent. There is growing evidence from several developed countries of primary physicians avoiding areas in large cities increasingly populated by poor and ethnic minorities. This paper extends the research to Germany.
G W, Shannon, M P, Cutchin
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Population dynamic models generating the lognormal species abundance distribution
Mathematical Biosciences, 1996This paper deals with a new class of stochastic species abundance models where the abundances are the points of an inhomogeneous Poisson process. These models are the result of a dynamic approach in which the changes in abundances through time are described by a multivariate diffusion and speciation constitutes a homogeneous Poisson process.
Engen, Steinar, Lande, Russell
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Mobidyc, a generic multi-agents simulator for modeling populations dynamics
1998We present a simulator designed to help scientists who are not experts in computing, such as biologists, to build up, run, and update their models in the field of fish population dynamics. This simulator, written in Smalltalk, is built upon multi-agents concepts and is well suited to model systems where individual or spatial aspects are involved.
Ginot, Vincent, Le Page, Christophe
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A General Population Dynamics Theory for Largemouth Bass [PDF]
, 2019 Bass Research ...
Jester, Douglas B. Jr. +3 more
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A general dynamic model of 19th century US population change
Economic Modelling, 1985"The pattern of rural population growth in 23 northern states during the period 1790 to 1900 is examined using a general dynamic approach. The relationship between fertility, migration and population growth is analysed within a single settlement model and a control solution is produced which demonstrates that fertility and migration behaviour reacted ...
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Control of plasma cell generation and population dynamics
2013Plasma cells, the effector stage of the B cell compartment, secrete large amounts of antibody. These cells arise in two waves during T-‐dependent immune responses; an early wave (extrafollicular plasma cells) generate low-‐affinity antibodies that provide a first line of defence against invading pathogens. Later, plasma cells emerge from the germinal
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Sensing and controlling protein dynamics
Nature Reviews Molecular Cell Biology, 2010Katharine H Wrighton +1 more
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