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[null,"1.","Record Nr.",null,"UNINA9910956187403321"]
[null,null,"Autore",null,"Kachiashvili Karlos J"]
[null,null,"Titolo",null,"Advanced modeling and computer technologies for fluvial water quality research and control / / Karlos J. Kachiashvili and D. Y. Melikdzhanian"]
[null,null,"Pubbl/distr/stampa",null,"New York, : Nova, c2012"]
[null,null,"ISBN",null,"1-61470-170-9"]
[null,null,"Edizione",null,"[1st ed.]"]
[null,null,"Descrizione fisica",null,"1 online resource (360 p.)"]
[null,null,"Collana",null,"Computer science, technology and applications"]
[{"$nulls":4},"Water Resource Planning, Development and Management"]
[null,null,"Disciplina",null,"363.739/42"]
[null,null,"Soggetti",null,"Water quality - Measurement - Mathematics"]
[{"$nulls":4},"Water - Pollution - Simulation methods"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Description based upon print version of record."]
[null,null,null,"Nota di bibliografia","Includes bibliographical references and index."]
[null,null,"Nota di contenuto",null,"Intro -- ADVANCED MODELING AND COMPUTER TECHNOLOGIES FOR FLUVIAL WATER QUALITY RESEARCH AND CONTROL -- ADVANCED MODELING AND COMPUTER TECHNOLOGIES FOR FLUVIAL WATER QUALITY RESEARCH AND CONTROL -- Library of Congress Cataloging-in-Publication Data -- CONTENTS -- INTRODUCTION -- Chapter 1    DETERMINISTIC MATHEMATICAL MODELS OF POLLUTANTS TRANSFER IN RIVERS -- 1.1. MATHEMATICAL MODELING OF  POLLUTANTS TRANSFER IN RIVERS -- 1.2. MATHEMATICAL MODELS OF TRANSFER  AND TURBULENT DIFFUSION -- 1.3. SOME ANALYTICAL METHODS USING AT SOLVING MULTIDIMENSIONAL PROBLEMS -- 1.4. DESCRIPTION OF RIVER  BANKS BY SPLINES -- 1.4.1. The Contour of the River -- 1.4.2. Using Spline-Interpolation for Giving a Curve -- 1.4.3. Trigonometrical Spline-Interpolation -- 1.4.4. Spline-Interpolation by Integrals of Fractional-Rational Functions -- 1.4.5. Final Remarks -- 1.5. ABOUT APPROXIMATION OF RIVER CURRENT SPEED -- Chapter 2    CALCULATION SCHEMATA OF  MATHEMATICAL MODELS -- 2.1. NUMERICAL METHODS OF SOLVING DIFFUSION EQUATIONS -- 2.1.1. Boundary Problem -- 2.1.2. Diffusion Equation -- 2.2. FINITE-DIFFERENCE AND ANALYTICAL METHODS OF SOLUTION OF ONE-DIMENSIONAL IN SPACE MODELS OF  POLLUTANTS TRANSFER -- 2.3. ALGORITHMIC PRESENTATION OF THE  FINITE-DIFFERENCE METHOD -- 2.4. ALGORITHMS FOR SOLVING TWO-DIMENSIONAL MATHEMATICAL MODELS -- 2.5. ALGORITHMS FOR REALIZATION OF  THREE-DIMENSIONAL DIFFUSION MODELS -- 2.6. OPTIMIZATION PROBLEMS OF THE ALGORITHMS CONNECTED WITH DIFFERENCE SCHEMES -- 2.6.1. "]
[{"$nulls":4},"Optimization, Used in Boundary Problem -- 2.6.2. Optimization, Used at Solving Diffusion Equation -- 2.6.3. Estimation of Unknown Function Derivatives -- 2.6.4. Examples of Using of the Offered Optimization -- 2.7. THE EFFECT OF SMOOTHNESS OF THE  INHOMOGENEOUS PART OF THE DIFFUSION  EQUATION ON THE ACCURACY OF THE RESULTS."]
[{"$nulls":4},"Chapter 3    STOCHASTIC MATHEMATICAL MODELS DESCRIBING POLLUTION OF THE RIVERS -- 3.1. STATISTICAL MODELS OF POLLUTANTS TRANSPORT IN THE RIVERS -- 3.1.1. Statistical Models of Propagation of Pollutants in the Rivers -- 3.2. METHODS OF IDENTIFICATION OF NON-LINEAR REGRETIONS BY MODIFIED LEAST SQUARES CRITERION -- 3.3. RESTORATION OF POLYNOMIAL  REGRESSION ON THE BASIS OF ACTIVE EXPERIMENT -- 3.4. INTERPOLATION OF NONLINEAR  FUNCTIONS OF CERTAIN CLASS -- 3.4.1. One-parametrical Families of Functions of Polynomials -- 3.4.2. Nonlinear Functions of the Certain  Class of Limited Quantity of Parameters -- 1. Function eba  cx -- 2. Function ebxa  )( cx0 -- 3. Function -- 4. Function -- 5. Function ebea    Let be -- 6. Function ebeah -- 7. Function sin()cos((xBxAe      sxy -- 8. Function ))sin()cos((BxAeh -- 3.4.3. Solution of Transcendental Equations of Special Types -- 1. Equation containing sum two exponents. -- 2. Equation containing sum of several exponents. -- 3.5. CONSTRUCTION OF CONFIDENCE INTERVALS FOR MATHEMATICAL EXPECTATIONS OF RANDOM VARIABLES -- 3.6. IMITATIVE MODELING OF FORMATION  OF THE QUALITY OF SEWAGES -- 3.7. SIMULATION OF REAL MULTIDIMENSIONAL STATIONARY GAUSS-MARKOV SERIES WITH GIVEN DEPTH OF CONNECTIVITY -- Chapter 4    METHODS OF MAKING DECISIONS IN MONITORING OF RIVER POLLUTION -- 4.1. GENERALIZATION OF BAYESIAN RULE OF  MANY HYPOTHESES TESTING -- 4.2. GENERAL SOLUTIONS OF UNCONDITIONAL  AND CONDITIONAL BAYESIAN TASKS -- 4.2.1. Restrictions on Conditional Probabilities of  Omitting True Parameters -- 4.2.2. Restrictions on Averaged Probability of  Omitted True Parameters -- 4.2.3. Restrictions on Conditional Probabilities of  Omitting Each True Parameter -- 4.2.4. Restrictions on Unconditional Probabilities of  Omitting Each True Parameter."]
[{"$nulls":4},"4.3. ALGORITHMS OF SOLVING UNCONDITIONAL BAYESIAN PROBLEMS OF MANY SIMPLE HYPOTHESES TESTING -- 4.3.1. Step Loss Function j -- 4.3.2. Non-Step Loss Function -- 4.4. ALGORITHMS OF SOLVING CONDITIONAL BAYESIAN  PROBLEM OF MANY SIMPLE HYPOTHESES TESTING -- 4.5. SOLUTION OF UNCONDITIONAL BAYESIAN PROBLEM AT NUMBER OF HYPOTHESES EQUAL TO TWO -- 4.6. Solution of Conditional Bayesian Problem at Number of Hypotheses Equal to Two -- 4.7. QUASI-OPTIMAL METHOD OF  MANY-HYPOTHESES TESTING -- 4.8. RATIO OF VALUES OF THE RISK-FUNCTIONS  IN PUT PROBLEMS AND THEIR NUMERICAL RESEARCHES -- 4.9. CONCLUSIVE REMARKS -- Chapter 5    MATHEMATICAL BASES FOR SOLVING  PROBLEM OF IDENTIFICATION OF THE  SOURCES OF EXCESSIVE RIVER POLLUTION -- 5.1. ESSENCE OF IDENTIFICATION PROBLEM -- 5.2. FORMALIZATION OF THE PROBLEM -- 5.3. GENERALIZED BLOCK-DIAGRAM FOR  SOLVING IDENTIFICATION PROBLEM -- 5.4. ALGORITHM OF HYPOTHESES FORMATION -- 5.5. CALCULATION OF A PRIOR PROBABILITIES -- 5.6. DECORRELATION OF THE MEASURED VALUES VECTOR -- 5.7. ALGORITHMS OF CLUSTER-ANALYSIS FOR IDENTIFICATION OF EMERGENCY RELEASE SOURCES -- Chapter 6    SOFTWARE OF MATHEMATICAL MODELS OF POLLUTANTS TRANSPORT IN RIVERS -- 6.1. ASSIGNMENT AND POSSIBILITY  OF THE PACKAGE -- 6.2. INPUT AND EDITING OF THE INITIAL DATA -- 6.3. MANAGEMENT OF WORK OF THE SOFTWARE -- 6.3.1. Description of the Files used in the Software "]
[{"$nulls":4},"-- 6.3.2. Working Language -- 6.3.3. Help Service and Notes -- 6.3.4. Parameters of the Package -- 6.3.5. Data Input and Editing -- 6.4. REALIZATION OF COMPUTATION AND  REPRESENTATION OF THE RESULTS -- Chapter 7    SOFTWARE OF IDENTIFICATION OF THE SOURCES OF EXCESSIVE RIVER POLLUTION -- 7.1. APPOINTMENT OF THE PACKAGE -- 7.2. POSSIBILITY OF THE PACKAGE AND ITS APPLICATION -- Chapter 8    INVESTIGATION OF DEVELOPED  ALGORITHMS AND PROGRAMS."]
[{"$nulls":4},"8.1. STUDY OF ALGORITHMS FOR CALCULATION OF POLLUTANT CONCENTRATIONS IN RIVERS BY MEANS  OF DIFFUSION EQUATIONS -- Designations -- Bounds -- One-dimensional Model. Function I -- Considered Function -- Function -- Function -- One-dimensional Model. Function II -- Considered Function -- Considered Equation -- Function -- Function -- Two-dimensional model. Function I -- Considered Equation -- Function -- Function -- Two-dimensional Model. Function II -- Considered Equation -- Function -- Function -- Three-Dimensional Model ~ -- 8.2. COMPLEX TESTING OF THE DEVELOPED PACKAGE -- 8.2.1. Sensitivity of the Models of Different Dimensionality to Geometric Sizes of the River Cross-Section -- 8.2.2. Dependence of the Identification Quality on the Noise Level -- 8.3. MODELING OF POLLUTANTS  TRANSPORT IN RIVERS -- 8.3.1. The Initial Data for Modeling -- 8.3.1.1. The River Chogha -- 8.3.1.2. The River Khobistskali -- 8.3.2. Calculation Results -- 8.3.2.1. The River Choga -- One- and Two-Dimensional Models -- Basic initial data -- Accuracy of calculations -- Geometry and dynamics of the section -- Water parameters -- Calculation results: at 1 m -- Calculation results: at 2 m. -- 8.3.22. The River Khobistskali -- One- and Two-Dimensional Models -- Basic initial data -- Accuracy of calculations -- Geometry and dynamics of the section -- Water parameters -- Calculation results: at 1 m. -- Calculation results: at 2 m. -- 8.3.3. Results of Modeling and Discussion 7 -- 8.4. RIVER POLLUTION COMPONENTS MEAN ANNUAL VALUES ESTIMATION BY COMPUTER MODELING -- CONCLUSION -- APPENDIX 1.  GENERATOR OF RANDOM VARIABLES OBEYING THE GIVEN PROBABILITY DISTRIBUTION LAWS -- APPENDIX 2.  GENERATOR OF NORMALLY DISTRIBUTED RANDOM VECTORS [212] -- APPENDIX 3.  GENERATOR OF MULTIDIMENSIONAL NORMAL MARKOVIAN SERIES WITH A GIVEN CONNECTIVITY DEPTH [1, 213]."]
[{"$nulls":4},"APPENDIX 4.  THE RESULTS OF REALIZATION OF DESCRIBED IN SECTION 3.2 GENERAL METHODOLOGY FOR IDENTIFICATION OF NONLINEAR REGRESSIONS FOR CERTAIN CLASS OF FUNCTIONAL DEPENDENCES AND PROPERTIES OF RESTORED DEPENDENCES -- 1. GEOMETRICAL REGRESSION -- 2. EXPONENTIAL REGRESSION -- 3. LOGARITHMIC REGRESSION -- 4. GEOMETRIC- EXPONENTIAL REGRESSION -- 5. EXPONENTIAL REGRESSION WITH THE FREE MEMBER -- 6. GEOMETRICAL REGRESSION WITH THE FREE MEMBER -- 7. INVERSE EXPONENTIAL REGRESSION -- 8. LINEAR - EXPONENTIAL REGRESSION -- 9. LINEAR - EXPONENTIAL DEPENDENCE WITH THE FREE MEMBER -- 10. PRODUCT OF GEOMETRICAL DEPENDENCES -- 11. SUM OF EXPONENTIAL DEPENDENCES -- 12. SUM OF GEOMETRICAL DEPENDENCES -- 13. SUM OF EXPONENTIAL DEPENDENCES WITH THE FREE MEMBER -- 14. SUM OF GEOMETRICAL DEPENDENCES  WITH THE FREE MEMBER -- 15. EXPONENTIAL - SINE WAVE REGRESSION -- 16. EXPONENTIAL - SINE WAVE REGRESSION  WITH THE FREE MEMBER -- 17. POLYNOMIAL REGRESSION -- 18. GEOMETRICAL - POLYNOMIAL REGRESSION -- 19. EXPONENTIAL - POLYNOMIAL REGRESSION -- 20. LOGARITHMIC - POLYNOMIAL REGRESSION -- 21. PERIODIC REGRESSION -- 22. REGRESSION ANALYSIS -- 23. MULTIPLE LINEAR REGRESSION -- 24. THE BASIC PROPERTIES OF  RESTORED DEPENDENCES -- Geometrical "]
[{"$nulls":4},"Dependence -- Exponential Dependence -- Logarithmic Dependence -- Geometric-exponential Dependence -- Inverse-exponential Dependence -- Geometrical Dependence with the Free Member -- Exponential Dependence with the Free Member -- Linear-Exponential Dependence -- Linear-exponential Dependence with the Free Member -- Product of Geometrical Dependences -- The Sum of Exponential Dependences -- The Sum of Geometrical Dependences -- The Sum of Exponential Dependences with the Free Member -- The Sum of Geometrical Dependences with the Free Member -- Exponential-sine Wave Dependence -- Exponential-sine Wave Dependence with the Free Member."]
[{"$nulls":4},"Polynominal Dependence."]
[null,null,null,"Sommario/riassunto","The results discussed in this book are interesting and useful for a wide range of specialists and scientists working in the field of applied mathematics, and in the modelling and monitoring of pollution of natural waters, ecology, hydrology, power engineering and building of different structures of water objects. Their importance and practical value are submitted in the friendly form for comprehension and are ready for direct application for the solution of practical tasks. Advantages of the elaborated methods and algorithms are shown not only through theoretical judgements and calculations, but also through the demonstration of results of particular calculus and modelling."]