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Название:Principles of Biophotonics: Linear systems and the Fourier transform in optics. Volume 1
Автор:Gabriel Popescu
Издательство:IOP Publishing Ltd
Год: 2018
Размер: 10,8 МБ
Язык: English

Principles of Biophotonics: Linear systems and the Fourier transform in optics aims to teach students, instructors and professionals the basis of optical techniques for biological investigation. It is a textbook for experimentalists who are active at the interface between biology, medicine and optics (i.e. biological optics, biomedical optics, biophotonics, etc), and presents the unifying optics principles employed in this broad and interdisciplinary field. In the format of a classical textbook, this work contains both the underlying theory of biological optics and applications to real laboratory problems via exercises and homework.
Разместил: vvkot 22-01-2023, 15:26 | Комментарии: 0 | Подробнее
Душевное пение. Основные понятия и упражнения для освоенияНазвание: Душевное пение. Основные понятия и упражнения для освоения
Автор: Александр Шевцов
Язык: русский
Издательство: Роща
Год: 2022
Страниц: 170
Формат: pdf
Размер: 10,3 Мб

В этом учебном пособии собраны материалы из бесед и глав опубликованных книг Алексея Андреева и Александра Шевцова, в которых раскрываются понятия древнего искусства Душевного пения.
Разместил: GenT72 22-01-2023, 13:35 | Комментарии: 0 | Подробнее
Krylov Subspace Methods for Linear Systems: Principles of AlgorithmsНазвание: Krylov Subspace Methods for Linear Systems: Principles of Algorithms
Автор: Tomohiro Sogabe
Издательство: Springer
Серия: Springer Series in Computational Mathematics
Год: 2023
Страниц: 233
Язык: английский
Формат: pdf (true), epub
Размер: 20.1 MB

In many fields of scientific computing and Data Science, we frequently face the problem of solving large and sparse linear systems of the form Ax = b, which is one of the most time-consuming parts of all computations. From this fact, many researchers have devoted themselves to developing efficient numerical algorithms for solving the linear systems, and Krylov subspace methods are nowadays popular numerical algorithms and are known as one of the top ten algorithms of the twentieth century, others including fast Fourier transform and Quick Sort. Furthermore, some Krylov subspace methods in the twenty-first century are described in detail, such as the COCR method for complex symmetric linear systems, the BiCR method, and the IDR(s) method for non-Hermitian linear systems. The strength of the book is not only in describing principles of Krylov subspace methods but in providing a variety of applications: shifted linear systems and matrix functions from the theoretical point of view, as well as partial differential equations, computational physics, computational particle physics, optimizations, and Machine Learning from a practical point of view. Linear systems arise in the field of Machine Learning.
Разместил: literator 22-01-2023, 08:58 | Комментарии: 0 | Подробнее
Название: Справочник по физике для инженеров и студентов вузов
Автор: Яворский Б.М., Детлаф А.А., Лебедев А.К.
Издательство: Оникс
Год: 2006
Формат: djvu
Страниц: 1056
Размер: 13 мб
Язык: русский

В справочнике даны определения основных физических понятий, кратко сформулированы физические законы и сущность описываемых ими явлений, приведены математические понятия, необходимые для пользования справочником. Данное издание существенно переработано с учетом новых достижений физической науки и вузовской программы курса физики.
Разместил: umkaS 22-01-2023, 07:47 | Комментарии: 0 | Подробнее

Название: Nucleic Acids in Medicinal Chemistry and Chemical Biology: Drug Development and Clinical Applications
Автор: Zhang L., Tang X., Xi Z., Chattopadhyaya J.
Издательство:John Wiley & Sons
Формат: PDF
Страниц: 544
Размер: 54,7 МБ
Язык: English

In Nucleic Acids in Medicinal Chemistry and Chemical Biology: Drug Development and Clinical Applications, a team of distinguished researchers delivers a comprehensive overview of the chemistry and biology of nucleic acids and their therapeutic applications. The book emphasizes the latest research in the field, including new technologies like CRISPR that create novel possibilities to edit mutated genes at the genomic DNA level and to treat inherited diseases and cancers.The authors explore the application of modified nucleosides and nucleotides in medicinal chemistry, a variety of current topics on nucleic acid chemistry and biology, nucleic acid drugs used to treat disease, and more. They also probe new domains of pharmaceutical research, offering the reader a wealth of new drug discovery opportunities emerging in this dynamic field.
Разместил: vvkot 21-01-2023, 21:55 | Комментарии: 0 | Подробнее
Encryption and Decryption Algorithms for Plain Text and Images using Fractional CalculusНазвание: Encryption and Decryption Algorithms for Plain Text and Images using Fractional Calculus
Автор: Rafael Martínez-Guerra, Juan Javier Montesinos-García, Juan Pablo Flores-Flores
Издательство: Springer
Год: 2023
Страниц: 252
Язык: английский
Формат: pdf (true)
Размер: 10.2 MB

This book offers an alternative for encrypting and decrypting messages using objects called integer and fractional-order estimators or observers, by means of security codes. The authors first establish the class of observers capable of carrying out this work. Then, the type of observers to treat either the integer or fractional order type and their main characteristics is mentioned. The book also presents an essential property of some systems such as Liouville, which is vital for the encryption and decryption of messages in integer and fractional order nonlinear systems by using the synchronization property of chaotic systems. Finally, it addresses some logistic maps such as Mandelbrot sets including Julia and fractal sets, taking advantage of their characteristics to encrypt or recover messages. Of all the alternatives for encryption and decryption of messages shown here, a vulnerability analysis to cryptographic attacks (cryptoanalysis) is made, this is a security analysis, an important topic on the subject of secure communications.
Разместил: literator 21-01-2023, 20:13 | Комментарии: 0 | Подробнее

Автор: Перышкин А. В.
Название: Физика. Для 7 класса общеобразовательных учреждений. Издание 12
Издательство: М:, Дрофа
Год: 2008
Страниц: 192
Формат: DJVU, PDF
Размер: 89 МБ
Настоящая книга является дополненным вариантом учебника А. В. Перышкина «Физика. 7 кл.». В нем сохранены структура и методология изложения материала. В соответствии с требованиями государственного стандарта общего образования внесены изменения в отдельные параграфы учебника. Достоинством книги являются ясность, краткость и доступность изложения. Все главы учебника содержат богатый иллюстративный материал.
Разместил: polyanskiy 21-01-2023, 11:56 | Комментарии: 0 | Подробнее
Название: Astronomy in Minutes: 200 Key Concepts Explained in an Instant
Автор: Giles Sparrow
Издательство: Greenfinch
Год: 2015
Формат: EPUB
Размер: 23 Мб
Язык: английский / English

What happens when a star dies? How many asteroids are in our solar system? Can galaxies collide? What is dark energy? Astronomy in Minutes answers all these questions and more as it condenses 200 key concepts into easily digestible essays. From Trojan asteroids to stellar black holes, and from superclusters to cosmic microwave background, this book will take you on an essential tour around the universe. Beginning with the specks and constellations that we see in the night sky, and then zooming in on the objects and 'matter' beyond the naked eye, Astronomy in Minutes draws on established theories and recent research. Each essay is accompanied by an image or a clear diagram to help unravel complex ideas. Beginning with the constellations and finishing with the latest cosmological theories, this is the perfect reference guide to this fascinating subject.
Разместил: harun54 21-01-2023, 09:50 | Комментарии: 0 | Подробнее
The Energy of Data and Distance CorrelationНазвание: The Energy of Data and Distance Correlation
Автор: Gabor J. Szekely, Maria L. Rizzo
Издательство: CRC Press
Серия: Monographs on Statistics and Applied Probability
Год: 2023
Страниц: 467
Язык: английский
Формат: pdf (true)
Размер: 10.1 MB

Energy distance is a statistical distance between the distributions of random vectors, which characterizes equality of distributions. The name energy derives from Newton's gravitational potential energy, and there is an elegant relation to the notion of potential energy between statistical observations. Energy statistics are functions of distances between statistical observations in metric spaces. The authors hope this book will spark the interest of most statisticians who so far have not explored E-statistics and would like to apply these new methods using R. The Energy of Data and Distance Correlation is intended for teachers and students looking for dedicated material on energy statistics, but can serve as a supplement to a wide range of courses and areas, such as Monte Carlo methods, U-statistics or V-statistics, measures of multivariate dependence, goodness-of-fit tests, nonparametric methods and distance based methods.
Разместил: literator 21-01-2023, 08:25 | Комментарии: 0 | Подробнее

Название: Essential Practical NMR for Organic Chemistry, 2nd Edition.
Автор:Richards S.A., Hollerton J.C.
Издательство: John Wiley & Sons Ltd
Формат: PDF
Страниц: 288
Размер: 15,2 МБ
Язык: English

The second edition of Essential Practical NMR for Organic Chemistry delivers a pragmatic and accessible text demonstrating an ordered approach to gathering and interpreting NMR data. In this informal guide, you’ll learn to make sense of the high density of NMR information through the authors’ problem-solving strategies and interpretations.

Разместил: vvkot 20-01-2023, 21:18 | Комментарии: 0 | Подробнее

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