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The 2019 AIDAA Congress is the biennial Congress of the Italian Association of Aeronautics and Astronautics, the Italian no-profit cultural association dedicated to the aerospace community. AIDAA was formed in 1969 through a merging of the former Societies AIDA (Associazione Italiana di Aerotecnica formed in 1920) and AIR (Associazione Italiana Razzi).In 1951, AIDA was among the founders of the International Astronautical Federation (IAF) and in 1957 of the International Council of Aeronautical Sciences (ICAS). In 1992 AIDAA joined the Confederation of European Aerospace Societies (CEAS).The Congress is jointly hosted by AIDAA Rome Section, the Departments of Astronautic, Electric and Energetic Engineering (DIAEE) and of Mechanical and Aerospace Engineering (DIMA) of Civil and Industrial Engineering Faculty and the School of Aerospace Engineering (SIA) of Sapienza University of Rome. The degree courses in Aerospace Engineering are attended by almost 1500 students.
This book constitutes the refereed proceedings of the 19th European Workshop on Computer Performance Engineering, EPEW 2023, and 27th International Conference on Analytical and Stochastic Modelling Techniques and Applications, ASMTA 2023, held in Florence, Italy, in June 2023. The 26 papers presented in this volume were carefully reviewed and selected from 35 submissions. The papers presented at the workshop reflect the diversity of modern performance engineering. The sessions covered a wide range of topics including robustness analysis, machine learning, edge and cloud computing, as well as more traditional topics on stochastic modelling, techniques and tools.
Language death is an aspect of language contact which has occupied the interest of linguists from the past twenty-five years or so. Although the phenomenon of language death is occuring all over the world very few instances of it have been dealt with both from a sociolinguistic and formal linguistic standpoint. Those that spring to mind are the works of Nancy Dorian on East Sutherland Gaelic and Hans-Jürgen Sasse on the Albanian dialect of Arvanítika in Greece. In both instances it is dialects of languages that are treated and not complete languages themselves. The study of language death in the Isle of Man deals with the decline and extinction of Manx Gaelic as a community language, and a...
This book explores a technology that transformed airplanes into safe, practical tools of war and a means of transportation during the first half of the twentieth century.
A tale of four people trapped by their addictions, the basis for the acclaimed Darren Aronofsky film, by the author of Last Exit to Brooklyn. Sara Goldfarb is devastated by the death of her husband. She spends her days watching game shows and obsessing over appearing on television as a contestant—and her prescription diet pills only accelerate her mania. Her son, Harry, is living in the streets with his friend Tyrone and girlfriend Marion, where they spend their days selling drugs and dreaming of escape. When their heroin supply dries up, all three descend into an abyss of dependence and despair, their lives, like Sara’s, doomed by the destructive power of drugs. Tragic and captivating, Requiem for a Dream is one of Selby’s most powerful works, and an indelible portrait of the ravages of addiction. This ebook features an illustrated biography of Hubert Selby Jr. including rare photos from the author’s estate.
In system identification, one usually cares most about finding a model whose outputs are as close as possible to the true system outputs when the same input is applied to both. However, most system identification algorithms do not minimize this output error. Often they minimize model equation error instead, as in typical least-squares fits using a finite-difference model, and it is seen here that this distinction is significant. Here, we develop a set of system identification algorithms that minimize output error for multi-input/multi-output and multi-input/single-output systems. This is done with sequential quadratic programming iterations on the nonlinear least-squares problems, with an ei...