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Start your reading journey today on DL4ALL.org and unlock a world of imagination, knowledge, and inspiration! ![]() Free Download The Bitcoin Handbook: Key Concepts in Economics, Technology & Psychology by Anil Patel English | 2023 | ISBN: 9916697981 | 91 Pages | PDF | 1.6 MB ![]() Free Download The Birth of the Saxophone: A Historical Tribute to the Saxophone and Those Who Made it the Most Versatile Instrument Today by Brian Erwin English | December 16, 2024 | ISBN: N/A | ASIN: B0DQNR6X8V | 60 pages | EPUB | 1.82 Mb Imagine a world where music is about to be changed forever by the introduction of a new instrument. ![]() Free Download The Birth of Universes: Exploring the Black Hole Hypothesis of Cosmic Creation (Inside the Singularity: Exploring the Universe-Within-a-Black-Hole Theory Book ) by Barrett Williams English | September 7, 2025 | ISBN: N/A | ASIN: B0FQ4K3D4B | 186 pages | EPUB | 1.09 Mb Unlock the secrets of the cosmos with "The Birth of Universes," a captivating exploration into the profound and mysterious world of universe formation. Dive into the heart of theoretical physics and unravel the enigma of black holes-those cosmic gatekeepers that might just be the cradles of new universes. This eBook invites you on a journey across the multiverse, challenging what you know about reality and consciousness. ![]() Free Download The Birth and Early Developments of Orthogonal Polynomials: A Chronological History English | 2025 | ISBN: 1611978505 | 611 Pages | PDF (True) | 10 MB The shape of the Earth was a significant scientific question in the eighteenth century. When it was discovered that the Earth was flattened at the poles, scientists sought to understand the cause, leading to the study of the gravitational attraction of celestial spheroids. The solution drew upon Newton's law of universal gravitation, which used the distance between two bodies based on the law of cosines. Expanding the inverse of this distance into a power series naturally leads to a class of orthogonal polynomials. These were introduced by Legendre and, a little bit later, by Laplace. Legendre was the first to prove their orthogonality. Thirty years later, Gauss, approaching the problem from the perspective of numerical quadrature, independently arrived at the same polynomials. Over time, as concern for the gravitational problem of spheroids waned, the intrinsic mathematical interest in orthogonal polynomials took precedence. The Birth and Early Developments of Orthogonal Polynomials: A Chronological History is the first book to describe the history of orthogonal polynomials, covering their birth and early developments from the end of the 18th century to the middle of the 20th century. It includes biographies of principal and lesser-known figures, anecdotes, and accounts of the countries and institutions involved. 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