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Free Ebooks DownloadWelcome to DL4ALL.org – your ultimate destination for ebooks across every genre. Whether you’re into fiction, self-help, education, or niche topics, we offer an extensive library to satisfy your thirst for knowledge and entertainment. Why Choose DL4ALL.org?
Start your reading journey today on DL4ALL.org and unlock a world of imagination, knowledge, and inspiration!  Introduction to Numerical Mathematics: Theory, Practice and Numerous Examples English | 2026 | ISBN: 3662725452 | 539 Pages | PDF EPUB (True) | 75 MB This textbook presents the theoretical foundations of numerical mathematics in a modern, application-oriented, and comprehensive way. In addition to the standard content, it includes numerous examples and practical excursions to sustainably enhance understanding. Proofs are presented in a very detailed, step-by-step manner. The recurring core concepts of numerical mathematics like accuracy, efficiency, robustness and stability are explicitly addressed and clearly distinguished from one another. Specific example calculations for the described algorithms are carried out using provided Python codes. Numerical modeling for aspects of machine learning and neural networks are taken into consideration. Furthermore, numerical methods from linear algebra and analysis are presented separately, which significantly facilitates students' access to numerical mathematics - based on the two main lectures within undergraduate studies in mathematics. Therefore, the book is ideally suited for students of mathematics, physics, computer science, or engineering.  Introduction to Nonlinear Optics of Photonic Crystals and Metamaterials, Second Edition English | 2021 | ISBN: 0750335777 | 229 Pages | PDF EPUB (True) | 14 MB Introduction to Nonlinear Optics of Photonic Crystals and Metamaterials, Second Edition presents concise examples illustrating some of the basic principles of nanophotonics, embedding a discussion of current and future device applications in a theoretical account of the non-linear behaviour of light at nanoscale. It is an excellent access point for the current literature on nanophotonics, ideal for researchers, undergraduate and graduate students.  Introduction to Machine Learning: From Math to Code English | 2025 | ISBN: 1316519503 | 678 Pages | PDF | 22 MB Emphasizing how and why machine learning algorithms work, this introductory textbook bridges the gap between the theoretical foundations of machine learning and its practical algorithmic and code-level implementation. Over 85 thorough worked examples, in both Matlab and Python, demonstrate how algorithms are implemented and applied whilst illustrating the end result. Over 75 end-of-chapter problems empower students to develop their own code to implement these algorithms, equipping them with hands-on experience. Matlab coding examples demonstrate how a mathematical idea is converted from equations to code, and provide a jumping off point for students, supported by in-depth coverage of essential mathematics including multivariable calculus, linear algebra, probability and statistics, numerical methods, and optimization. Accompanied online by instructor lecture slides, downloadable Python code and additional appendices, this is an excellent introduction to machine learning for senior undergraduate and graduate students in Engineering and Computer Science.  Introduction to Electric Circuits, Devices, and Machines: Select Topics for Mechanical Engineers English | 2026 | ASIN: B0GF4DPKJH | 334 Pages | PDF | 84 MB Introduction to Electric Circuits, Devices, and Machines: Select Topics for Mechanical Engineers provides students with a practical guide to understanding and manipulating electrical signals and power. The book examines a variety of electrical topics that provide mechanical engineers with the knowledge and skills they need to succeed within their future careers. Structured into four parts, the book begins by introducing fundamental skills that support the learner as they develop applicable engineering skills. The subsequent parts introduce a variety of topics that engineers of all disciplines will find applicable in a modern engineering career. Topics include time-dependent circuit analysis, signal and measurement electronics, and electromagnetic devices and machines. Students learn to analyze the energy transfer between the electrical and mechanical subsystems of a design, collect and condition electric measurement signals, and drive electric motors. Introduction to Electric Circuits, Devices, and Machines has been tailored specifically for mechanical engineers and technologists who are interested in applying electrical concepts to mechanical systems.  Introduction to Computation and Modeling for Differential Equations English | 2016 | ISBN: 1119018447 | 360 Pages | EPUB (True) | 24 MB Introduction to Computation and Modeling for Differential Equations, Second Edition features the essential principles and applications of problem solving across disciplines such as engineering, physics, and chemistry. The Second Edition integrates the science of solving differential equations with mathematical, numerical, and programming tools, specifically with methods involving ordinary differential equations; numerical methods for initial value problems (IVPs); numerical methods for boundary value problems (BVPs); partial differential equations (PDEs); numerical methods for parabolic, elliptic, and hyperbolic PDEs; mathematical modeling with differential equations; numerical solutions; and finite difference and finite element methods.  Introduction To Sediment Geochemistry English | 2026 | ISBN: 9819821266 | 271 Pages | EPUB (True) | 9 MB This book offers an overview of the geochemical processes in aquatic sediments, with an emphasis on conceptual understanding and quantitative analysis. Suitable for graduate and upper-undergraduate coursework, it may also serve as a concise reference for researchers and advanced students seeking a quick introduction into sediment biogeochemistry or a review of the commonly used topics.Core topics include the physical, chemical, and microbiological processes in sediments that regulate the transformations and transport of substances and their exchanges with overlying waters. Separate chapters focus on the elemental cycles of carbon, nitrogen, iron, manganese, phosphorus, and sulfur, and the sediments' role as archives of environmental history. The book also covers the mathematical and modeling frameworks for describing sediment processes, with emphasis on making quick estimates of fluxes and rates and inferring quantitative information from geochemical data.Distinct from earlier marine-centered texts, this volume offers expanded coverage of freshwater systems and integrates exercises and problem sets throughout to reinforce learning and encourage cross-topic synthesis.  Introducing Philosophy of Mathematics English | 2014 | ISBN: 184465060X | 261 Pages | EPUB (True) | 4 MB What is mathematics about? Does the subject-matter of mathematics exist independently of the mind or are they mental constructions? How do we know mathematics? Is mathematical knowledge logical knowledge? And how is mathematics applied to the material world? In this introduction to the philosophy of mathematics, Michele Friend examines these and other ontological and epistemological problems raised by the content and practice of mathematics. Aimed at a readership with limited proficiency in mathematics but with some experience of formal logic it seeks to strike a balance between conceptual accessibility and correct representation of the issues. Friend examines the standard theories of mathematics - Platonism, realism, logicism, formalism, constructivism and structuralism - as well as some less standard theories such as psychologism, fictionalism and Meinongian philosophy of mathematics. In each case Friend explains what characterises the position and where the divisions between them lie, including some of the arguments in favour and against each. This book also explores particular questions that occupy present-day philosophers and mathematicians such as the problem of infinity, mathematical intuition and the relationship, if any, between the philosophy of mathematics and the practice of mathematics. Taking in the canonical ideas of Aristotle, Kant, Frege and Whitehead and Russell as well as the challenging and innovative work of recent philosophers like Benacerraf, Hellman, Maddy and Shapiro, Friend provides a balanced and accessible introduction suitable for upper-level undergraduate courses and the non-specialist.  Into the Spotlight: Step up your online visibility, become a rock star in your industry and make your business thrive English | 2022 | ISBN: 0648796329 | 135 Pages | EPUB (True) | 1 MB  Intimate Relationships: 2026 Release English | 2026 | ISBN: 1266064737 | 656 Pages | PDF (True) | 12 MB Welcome to Intimate Relationships! I'm very pleased that you're here. I've been deeply  Intersections of Sexual Health, Migration and Sexualised Violence: A Public Health and Rights-based Approach English | 2026 | ISBN: 3032207061 | 144 Pages | PDF EPUB (True) | 12 MB This book provides a unique, interdisciplinary and rights-based perspective on sexual and reproductive health, sexualised violence and gender-based violence (GBV) among refugees, displaced persons and other migrants. Drawing on empirical research and case studies from diverse geographical settings, it explores the challenges migrants face in accessing care - including following experiences of sexualised and gender-based violence - adopting a holistic approach that integrates physical, psychological and social dimensions of health. Particular attention is paid to HIV and STIs, cervical cancer prevention, health barriers faced by sex workers, sexual health in conflict and displacement, and health consequences of violence across migration trajectories. This volume also examines the impacts of immigration detention, the wellbeing of healthcare and aid workers in humanitarian contexts, and the role of innovative strategies such as point-of-care testing in reaching underserved populations. Carefully curated by experts from multiple disciplines, Intersections of Sexual Health, Migration and Sexualised Violence: A Public Health and Rights-based Approach will be of interest to clinicians, public health professionals, researchers and policymakers committed to advancing health equity and the United Nations Sustainable Development Goals. |
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