Novedades del último mes en eBooks de Matemáticas

Los Elementos de Euclides es una de las escasísimas obras antiguas que puede presumir de haber constituido, casi de golpe, la base sobre la que se ha levantado toda una ciencia, en este caso la geometria y la aritmetica, al menos desde el siglo III a. C. hasta el siglo XIX. La razon de su prolongado exito radica en sus grandes virtudes expositivas y didacticas, asi como en su afan de sistematizacion deductiva.Gredos publica esta obra completa de Euclides en tres volumenes y en una exhaustiva edicion critica. En este ultimo tomo se reunen los libros X-XIII, que tratan la inconmensurabilidad, las rectas irracionales y la geometria de los cuerpos solidos.

Esta obra "Metodología de la investigación y Estadística aplicadas a las ciencias de la Salud", del Programa Universitario de Investigación sobre Riesgos Epidemiológicos y Emergentes, tiene como finalidad ofrecer una serie de herramientas que permitan reconocer los conceptos basicos para diseñar un proyecto de investigacion en salud de acuerdo con los procedimientos de la metodologia de la investigacion cientifica como: marco teorico, planteamiento y delimitacion del problema, pregunta de investigacion, hipotesis, objetivos, criterios de seleccion, operacionalizacion de las variables, aspectos eticos y legales. Ademas, se describen las caracteristicas de los principales diseños de investigacion las cuales se presentan en tablas y figuras con el objetivo de facilitar el aprendizaje. Asimismo, ofrece informacion teorica, ejercicios de como realizar las pruebas estadisticas en un paquete estadistico, la interpretacion y ejemplos de su aplicacion. Para ello, se emplean articulos cientificos publicados en revistas indizadas, que permitiran comprender y utilizar herramientas de estadistica descriptiva e inferencial. Pensando en lograr una correcta aplicacion de estas pruebas estadisticas a partir de la integracion con las herramientas metodologicas de manera flexible y autodirigida.Puede utilizarse como bibliografia basica y recurso didactico en cursos de pregrado y posgrado sobre metodologia y estadistica enfocados a las Ciencias de la Salud, ademas de profesionales de la Salud.

Cet ouvrage de la collection "Parcours IUT" présente le cours de mathématiques des trois années de BUT des filières GEII, GIM, GMP, Mesures physiques, Informatique, Réseaux et télécommunications. L

A novel framework for how entrepreneurs can use Bayesian reasoning to make decisions.This edited volume introduces and explores the concept of Bayesian entrepreneurship, a novel framework for understanding entrepreneurial decision-making under uncertainty. It brings together contributions from leading scholars to examine how entrepreneurs form beliefs about opportunities, learn through experimentation, and make strategic decisions.The Bayesian approach emphasizes the critical interaction between an entrepreneurs prior beliefs and their capacity for learning and experimentation to update those beliefs. This dynamic process allows entrepreneurs to formulate and test theories about value creation and capture, attract resources and capabilities, and implement effective entrepreneurial strategies. The volume is organized around four key themes: the foundations and distinguishing features of Bayesian entrepreneurship how entrepreneurs form and update prior beliefs in entrepreneurial decision-making the role of experimentation and learning in entrepreneurial strategy applications to entrepreneurship education and practice Bayesian Entrepreneurship offers both theoretical contributions advancing our understanding of entrepreneurial decision-making and practical insights for entrepreneurs and educators.

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Fascinating and immensely readable Ian Stewart A charming tour through the realm of the very, very, very numerous, from the ancient world through to the distant future Jordan Ellenberg, author of How Not to Be WrongWhat if, every time you wanted to write down 1,000,000, you had to draw a picture of a god? And what if that number were the biggest you had a symbol for? In ancient Egypt, those were the rules: anything bigger broke maths. Writing down some numbers is still beyond us today: try it with all the zeroes in a googolplex, or an outrageous alien number like FISH 7. Even harnessing every particle in the universe, you wouldnt come close. But that hasnt stopped us from hunting down these mind-bendingly big numbers and studying them. In Huge Numbers, mathematician and Numberphile presenter Richard Elwes shows how counting has shaped human thought. Whether recorded with notches carved on a tally stick, beads on an abacus, or electrical signals carrying binary code, it allows us to test the limits of mathematics over and over, breaking it down and putting it back together again. Come on a fascinating tour that spans continents and millennia, from the Mayan calendar to todays chatbots. Youll see that huge numbers are everywhere, expanding our horizons and powering our modern world.

Probabilidade em 3 Passos é um convite acessível e direto para compreender a lógica das incertezas que fazem parte do nosso dia a dia. Com linguagem clara e exemplos práticos, o livro conduz o leitor desde os conceitos mais basicos ate aplicaçes mais estruturadas, mostrando que a Probabilidade no e um territorio exclusivo das "Exatas", mas uma ferramenta util para qualquer pessoa que deseja tomar decises com mais consciencia. Ao longo dos capitulos, os autores transformam formulas e teorias em situaçes reais, aproximando o conteudo de estudantes, profissionais e curiosos que buscam entender como o acaso, os dados e as escolhas se conectam. Mais do que ensinar calculos, a obra prope uma nova forma de pensar, estimulando o raciocinio logico e a confiança para explorar o universo da Estatistica e da Ciencia de Dados de maneira leve, progressiva e descomplicada.

Dropping a multi-million-dollar telecommunication line blindly into the ocean is a recipe for instant severing. The seabed is not a flat, sandy expanse; it is a hostile, highly dynamic geological environment featuring jagged mountain ranges, caustic hydrothermal vents, and sudden, devastating underwater avalanches known as turbidity currents. Surviving this terrain requires meticulous mapping.Before a single inch of glass fiber touches the water, survey vessels spend months bouncing acoustic sonar off the abyssal plain to generate high-resolution bathymetric maps. Engineers must thread the needle, plotting a route that avoids tectonic fault lines where seismic tremors could guillotine the line, while simultaneously navigating around deep-sea trenches that exceed the physical crush depth of the cables armor. A miscalculation in tension or slack during deployment can leave the line suspended over a chasm, vibrating itself to death in deep-sea currents.Chart the most treacherous terrain on Earth. Understand the complex interplay of marine geology, sonar mapping, and geotechnical engineering that determines the physical path of the global internet.

Take a few deep breaths. Look around you. How many screens do you see? How many notifications are flashing? In a world that vibrates with the promise of hyper-connectedness, a cruel paradox has set in: we have never been so connected, and yet we have never felt so alone. This book isn t just a read; it s an invitation to unveil the veil that shrouds this reality. It is a mirror that rises up to show us the uncomfortable image of a society that, in seeking to unite in networks and communities, paradoxically weaves the walls of its own isolation, not because of the technology itself, but because of the way it has been used to consume trivial content. consumption of trivial content that distances us from critical thinking. Have you ever wondered why, even with so many virtual friends , you feel an unspeakable emptiness? Why, surrounded by voices in your circle of ideas, disagreement with the other

In 1999, NASA lost a $125 million spacecraft because of a single, utterly avoidable mathematical error. The Mars Climate Orbiter was designed to study the Martian atmosphere, but as it approached the red planet, it descended too low and violently disintegrated in the upper atmosphere. The root cause was not a mechanical failure, but a humiliating miscommunication between two engineering teams.One team at Lockheed Martin programmed the spacecrafts thruster software using English imperial units, while the navigation team at NASAs Jet Propulsion Laboratory assumed the data was in metric newtons. This microscopic discrepancy in the data transfer compounded over the 286-day journey, pulling the orbiter wildly off its intended trajectory.This book dissects the catastrophic breakdown of institutional communication. You will explore the physics of orbital insertion, the rigid bureaucracy of aerospace engineering, and how a simple conversion error destroyed years of scientific labor.Analyze the fragility of complex systems. Discover how a basic arithmetic mismatch bypassed billions of dollars in safety protocols to vaporize a spacecraft in the Martian sky.

The race to put a man on the moon was driven by ruthless political pressure and blinding speed. In January 1967, that speed exacted a devastating toll. During a routine launch pad test of the Apollo 1 command module, a sudden fire erupted inside the sealed cabin. Within seconds, the inferno consumed the capsule, killing astronauts Gus Grissom, Ed White, and Roger Chaffee.The disaster was the result of a catastrophic, systemic engineering oversight. To save weight and simplify life support, NASA filled the heavily sealed capsule with 100 percent pure, pressurized oxygen. In this hyper-combustible environment, everyday materials became highly explosive. A single frayed wire beneath a crew seat sparked the blaze, instantly igniting miles of exposed nylon netting and newly introduced velcro patches spread throughout the cabin.This historical engineering account investigates the tragic convergence of hubris and design flaws. You will study the fatal inward-opening hatch that trapped the crew, the bureaucratic urgency that ignored glaring safety warnings, and the radical redesigns that ultimately paved the way for successful lunar missions.Examine the fatal cost of technological arrogance. Learn how a terrifying spark in a pressurized cabin forced a complete overhaul of aerospace safety protocols.

In 1935, Australian scientists made a calculated decision to import a biological weapon to protect their valuable sugarcane crops. They released exactly 102 Cane Toads into the wild, expecting them to devour the destructive cane beetles. Instead, they unleashed one of the most unstoppable and disastrous ecological invasions in recorded history.The scientists ignored a catastrophic behavioral mismatch: the toads could not jump high enough to reach the beetles, and the beetles flew during the day while the toads hunted at night. With no natural predators equipped to survive their lethal poison glands, the highly adaptable toads abandoned the sugar fields and began marching across the continent, multiplying into the hundreds of millions and decimating native wildlife.This book examines the catastrophic cascade of biological control gone wrong. You will explore the specific evolutionary advantages of the amphibian, the deadly chemistry of bufotoxin, and the frantic modern strategies deployed to halt the relentless hopping army.Witness the ultimate failure of agricultural hubris. Discover how a simple pest control experiment mutated into a continent-wide ecological nightmare that forever altered the Australian landscape.

When an elite powerlifter hoists 500 pounds off the floor, the immense mechanical load does not just rest on the muscles and bones. The brunt of the physical trauma is absorbed by the tendons. Unlike steel cables, which snap when their tensile limit is reached, human tendons are composed of water and collagen, making them viscoelastic.This medical reference text delves into the fascinating biomechanics of "Tendon Creep." Under extreme, sustained mechanical load, tendons do not just pull; they physically stretch, deform, and leak fluid, elongating over time to absorb the kinetic shock and prevent the bone from violently fracturing.We deconstruct the precise time-under-tension required to safely trigger this viscoelastic deformation, and the dangerous orthopedic consequences of lifting too explosively before the collagen fibers have had the necessary milliseconds to properly align.Understand the plastics in your body. A deep dive into the resilient, shape-shifting tissues that allow the human skeleton to survive impossible burdens.

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You cannot put a virus or a complex protein under a standard microscope and look at it. The wavelength of visible light is simply too large to resolve individual atoms. To see the physical shape of the biological molecules that cause disease, the global pharmaceutical industry relies on the extreme, high-energy physics of X-Ray Crystallography.This technical reference details the brutal physics required to image the invisible. Biochemists must first force organic, squishy proteins to form perfect, solid geometric crystalsan agonizing process that can take years. Once crystallized, scientists blast the sample with intense X-ray beams. As the X-rays hit the densely packed atoms, they diffract, scattering onto a detector plate in a complex, seemingly chaotic pattern of dots.We analyze the staggering supercomputing power and Fourier transform mathematics required to read these scattered dot patterns and reverse-engineer them into a flawless, 3D atomic map. This is the exact technology used to discover the structure of DNA and design targeted modern cancer drugs.See the invisible architecture of disease. Learn how physicists turn biological tissue into glass and shoot it with radiation to map the precise coordinates of every single atom.

Have you ever blown over the top of an empty glass bottle and heard a deep, humming note? You have just activated a Helmholtz Resonator. This precise physical phenomenon occurs when air bounces inside a cavity, creating a specific resonant frequency based entirely on the volume of the container and the size of the opening.Remarkably, ancient architects utilized this exact acoustic physics long before modern science defined it. By embedding specifically tuned, hollow bronze or clay vases into the walls of ancient Greek and Roman amphitheaters, engineers were able to mathematically trap and absorb unwanted low-frequency echoes that would otherwise muddy the actors voices.This educational guide bridges classical history and modern acoustic physics. We analyze how contemporary concert halls and high-end automotive exhaust systems still rely on this exact same geometric principle to target and eliminate destructive sound frequencies.Discover the silent traps built into the walls. Learn how the ancient world manipulated the geometry of empty space to perfectly engineer the acoustics of mass entertainment.

When the Apollo astronauts walked on the moon, they left behind several unassuming panels covered in small, geometric silica prisms. Decades later, these Lunar Ranging Retroreflectors remain the only Apollo experiments still actively gathering data, and they are the key to our understanding of celestial mechanics.Unlike a standard mirror that scatters light, a retroreflector is mathematically designed to bounce light back in the exact, precise direction it came from. Every day, observatories on Earth fire powerful green lasers across the void of space to hit these specific prisms. By measuring the exact time it takes for the photons to return, scientists can calculate the distance between the Earth and the Moon down to the millimeter.This book explores the optical physics of the retroreflectors and the astonishing discoveries they have yieldedmost notably, the definitive proof that the Moon is slowly spiraling away from the Earth at a rate of 3.8 centimeters per year.Explore the longest-running experiment in human history. Discover how a few panes of specialized glass in the lunar dust continue to anchor our understanding of the cosmos.

If you open a map app on your phone and spin around, the digital compass instantly spins with you. Decades ago, detecting this kind of exact 3D rotation required a massive, heavy, mechanical gyroscope made of rapidly spinning brass wheels mounted inside brass gimbals. Today, that entire mechanism has been shrunk down to a speck of silicon no larger than a grain of sand.This textbook explains the brilliant microelectromechanical systems (MEMS) driving modern navigation. Inside your phone sits the Coriolis Vibratory Gyroscope. It has no spinning wheels. Instead, it features microscopic, highly engineered silicon structures shaped like tiny tuning forks that vibrate continuously. When you rotate your phone, the physical laws of the Coriolis effect cause these vibrating forks to mathematically deflect and bend.We explain how microscopic electrical sensors measure this tiny deformation in the silicon, instantly calculating your exact rotational speed and feeding it to your software.Learn the physics of micro-navigation. Discover the invisible, vibrating quartz tuning forks that keep your drones flying, your cars stable, and your digital maps pointing north.

To prove the exact severity of modern climate change, scientists must know exactly what the Earths atmosphere was made of hundreds of thousands of years ago. They cannot rely on fossils; they need physical samples of the ancient air itself. Those samples are locked inside microscopic bubbles, buried under three miles of solid, freezing ice in Antarctica.This technical volume explores the extreme, specialized engineering of deep ice core drilling. We detail the mechanical nightmare of operating massive, hollow drill bits in -40 degree weather, where standard metal becomes brittle and lubricants freeze solid. Engineers must carefully lower drills on kilometers of steel cable, extracting three-meter-long, flawless cylinders of ancient ice without cracking them.The narrative dissects the crucial handling logistics. Once brought to the surface, the ice core cannot be exposed to modern air. It must be hermetically sealed, cataloged, and transported across oceans in specialized freezers to elite laboratories, where lasers and mass spectrometers measure the trapped carbon dioxide to chart the paleoclimatic history of the world.Uncover the frozen archives of the planet. A brutal journey into the mechanical science of pulling ancient, breathable time capsules out of the crushing depths of the ice sheet.

In June 1991, Mount Pinatubo in the Philippines awoke from a 500-year slumber with terrifying violence. It was the second-largest volcanic eruption of the 20th century. While the immediate localized destruction was devastating, the true scientific marvel of Pinatubo happened high above the clouds, fundamentally altering the entire planets atmosphere.The eruption injected a staggering 20 million tons of sulfur dioxide directly into the stratosphere. These gases rapidly oxidized into microscopic aerosol droplets, forming a global chemical shield that actively reflected the suns radiation back into space. This highly technical reference book explores how this single geological event caused the entire Earths average temperature to drop by roughly 1F (0.6C) for nearly two years.We examine how meteorologists and atmospheric scientists used the Pinatubo aerosols as a perfectly timed, real-world laboratory. The data gathered from the cooling effect flawlessly validated early computer climate models and remains the foundational argument for modern geoengineering proposals regarding artificial solar radiation management.Understand the thermostat of the planet. A rigorous exploration of how a massive volcanic explosion accidentally proved the mechanics of global climate change.