9783031012860 - pde models for atherosclerosis computer implementation in r (synthesis lectures on mathematics & statistics) von schiesser, william e. (2 Ergebnisse)
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Sprache: Englisch
Verlag: Springer International Publishing, 2018
Serie: Buch 21 von 72 - Synthesis Lectures on Mathematics & Statistics
- Softcover
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Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - Atherosclerosis is a pathological condition of the arteries in which plaque buildup and stiffening (hardening) can lead to stroke, myocardial infarction (heart attacks), and even death. Cholesterol in the blood is a key marker for atherosclerosis, wi…th two forms: (1) LDL - low density lipoproteins and (2) HDL - high density lipoproteins. Low LDL and high HDL concentrations are generally considered essential for limited atherosclerosis and good health.This book pertains to a mathematical model for the spatiotemporal distribution of LDL and HDL in the arterial endothelial inner layer (EIL, intima). The model consists of a system of six partial differential equations (PDEs) with the dependent variables1. ( , ): concentration of modified LDL2. ( , ): concentration of HDL3. ( , ): concentration of chemoattractants4. ( , ): concentration of ES cytokines5. ( , ): density of monocytes/macrophages6. ( , ): density of foam cellsand independent variables1. : distance from the inner arterial wall2. : timeThe focus of this book is a discussion of the methodology for placing the model on modest computers for study of the numerical solutions. The foam cell density ( , ) as a function of the bloodstream LDL and HDL concentrations is of particular interest as a precursor for arterial plaque formation and stiffening.The numerical algorithm for the solution of the model PDEs is the method of lines (MOL), a general procedure for the computer-based numerical solution of PDEs. The MOL coding (programming) is in R, a quality, open-source scientific computing system that is readily available from the Internet. The R routines for the PDE model are discussed in detail, and are available from a download link so that the reader/analyst/researcher can execute the model to duplicate the solutions reported in the book, then experiment with the model, for example, by changing the parameters (constants) and extending the model with additional equations.
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Sprache: Englisch
Verlag: Springer, 2018
Serie: Buch 21 von 72 - Synthesis Lectures on Mathematics & Statistics
- Softcover
Anbieter: preigu, Osnabrück, Deutschlandpreigu
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Taschenbuch. Zustand: Neu. PDE Models for Atherosclerosis Computer Implementation in R | William E. Schiesser | Taschenbuch | Synthesis Lectures on Mathematics & Statistics | xii | Englisch | 2018 | Springer | EAN 9783031012860 | Verantwortliche Person für die EU: Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg, juerge…n[dot]hartmann[at]springer[dot]com | Anbieter: preigu.
