Learn to solve scientific computing problems using Scala and its numerical computing, data processing, concurrency, and plotting librariesAbout This BookParallelize your numerical computing code using convenient and safe techniques.Accomplish common high-performance, scientific computing goals in Scala.Learn about data visualization and how to create high-quality scientific plots in ScalaWho This Book Is ForScientists and engineers who would like to use Scala for their scientific and numerical computing needs. A basic familiarity with undergraduate level mathematics and statistics is expected but not strictly required. A basic knowledge of Scala is required as well as the ability to write simple Scala programs. However, complicated programming concepts are not used in the book. Anyone who wants to explore using Scala for writing scientific or engineering software will benefit from the book.What You Will LearnWrite and read a variety of popular file formats used to store scientific dataUse Breeze for linear algebra, optimization, and digital signal processingGain insight into Saddle for data analysisUse ScalaLab for interactive computingQuickly and conveniently write safe parallel applications using Scala's parallel collectionsImplement and deploy concurrent programs using the Akka frameworkUse the Wisp plotting library to produce scientific plotsVisualize multivariate data using various visualization techniquesIn DetailScala is a statically typed, Java Virtual Machine (JVM)-based language with strong support for functional programming. There exist libraries for Scala that cover a range of common scientific computing tasks - from linear algebra and numerical algorithms to convenient and safe parallelization to powerful plotting facilities. Learning to use these to perform common scientific tasks will allow you to write programs that are both fast and easy to write and maintain.We will start by discussing the advantages of using Scala over other scientific computing platforms. You will discover Scala packages that provide the functionality you have come to expect when writing scientific software. We will explore using Scala's Breeze library for linear algebra, optimization, and signal processing. We will then proceed to the Saddle library for data analysis. If you have experience in R or with Python's popular pandas library you will learn how to translate those skills to Saddle. If you are new to data analysis, you will learn basic concepts of Saddle as well. Well will explore the numerical computing environment called ScalaLab. It comes bundled with a lot of scientific software readily available. We will use it for interactive computing, data analysis, and visualization. In the following chapters, we will explore using Scala's powerful parallel collections for safe and convenient parallel programming. Topics such as the Akka concurrency framework will be covered. Finally, you will learn about multivariate data visualization and how to produce professional-looking plots in Scala easily. After reading the book, you should have more than enough information on how to start using Scala as your scientific computing platformStyle and approachExamples are provided on how to use Scala to do basic numerical and scientific computing tasks. All the concepts are illustrated with more involved examples in each chapter. The goal of the book is to allow you to translate existing experience in scientific computing to Scala.
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Vytautas Jancauskas is a computer science PhD student and lecturer at Vilnius University. At the time of writing, he was about to get a PhD in computer science. The thesis concerns multiobjective optimization using nature-inspired optimization methods. Throughout the years, he has worked on a number of open source projects that have to do with scientific computing. These include Octave, pandas, and others. Currently, he is working with numerical codes with astrophysical applications.
He has experience writing code to be run on supercomputers, optimizing code for performance, and interfacing C code to higher-level languages. He has been teaching computer networks, operating systems design, C programming, and computer architecture to computer science and software engineering undergraduates at Vilnius University for 4 years now.
His primary research interests include optimization, numerical algorithms, programming language design, and software engineering. Vytautas has significant experience with various different programming languages. He has written simple programs and has participated in projects using Scheme, Common Lisp, Python, C/C++, and Scala. He has experience working as a Unix systems administrator. He also has significant experience working with numerical computing platforms such as NumPy/MATLAB and data analysis frameworks such pandas and R.
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