FreeFem++ is a free, open-source software platform designed for the numerical solution of partial differential equations (PDEs) using finite element methods (FEM). It is particularly popular for its ease of use and flexibility, facilitating rapid prototyping and implementation of complex numerical simulations. Key features of FreeFem++ include: 1. **User-Friendly Syntax**: It offers a high-level programming language that allows users to describe geometries, variational forms, and boundary conditions succinctly and intuitively.
Weight loss refers to the process of reducing body weight, typically by decreasing body fat. It can occur intentionally through various methods such as dietary changes, increased physical activity, or behavioral modifications, or unintentionally due to factors like illness or nutritional deficiencies. ### Key Aspects of Weight Loss: 1. **Energy Balance**: Weight loss generally occurs when the number of calories burned exceeds the number of calories consumed. This is often referred to as a caloric deficit.
A flood bypass, often referred to as a flood bypass channel or flood relief channel, is a designated pathway or channel designed to divert excess water from a river, creek, or other body of water during conditions of flooding. The primary purpose of a flood bypass is to mitigate the risk of flooding in urban areas, agricultural zones, or regions where floodwaters could cause significant damage to infrastructure, homes, and ecosystems.
The "Art of Memory," also known as "mnemonics," refers to techniques and strategies used to enhance memory and improve the ability to retain and recall information. This practice dates back to ancient civilizations and is rooted in the idea that the mind can create vivid mental images and associations to help remember information more effectively.
The Schoolmaster's Assistant, Being a Compendium of Arithmetic Both Practical and Theoretical by
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"The Schoolmaster's Assistant: Being a Compendium of Arithmetic Both Practical and Theoretical" is a mathematical textbook written by the American educator and mathematician Thomas Dilworth, first published in the 18th century (specifically in 1765). The book was designed as a comprehensive guide for teaching arithmetic, providing a wide range of mathematical concepts, techniques, and problem-solving methods.
Peter Hayes is a diplomat who has served in various capacities in the field of international relations. His work often involves engagement with different countries and international organizations to promote diplomacy and address global issues. Specific details about his career, roles, and contributions may vary, and for the most up-to-date and comprehensive information, it's best to consult credible sources or official websites related to diplomacy and international affairs.
Peter J. Denning is a prominent figure in the field of computer science, particularly known for his contributions to computer systems, networking, and operating systems. He has authored numerous influential papers and books and has served in various academic and professional capacities throughout his career. Denning is recognized for his work on the concept of "working sets," which helps in managing memory in operating systems. He has also been involved in various foundational aspects of computing and education in the field.
"The Seventh Decade: The New Shape of Nuclear Threat" is a book written by journalist and author Daniel Ellsberg, published in 2007. In this work, Ellsberg, who is famous for leaking the Pentagon Papers, examines the evolving landscape of nuclear weaponry and the associated risks in the post-Cold War era.
Peter Norvig is an American computer scientist and a prominent figure in the field of artificial intelligence (AI). He is known for his work on natural language processing, machine learning, and general AI research. Norvig has served as the Director of Research at Google, where he has contributed to various projects related to AI and machine learning.
A gatehouse in the context of waterworks typically refers to a structure that is part of a hydrological system, such as a dam, reservoir, or water treatment facility. It usually serves multiple purposes, including: 1. **Control of Water Flow:** Gatehouses often contain gates or valves that can be opened or closed to control the flow of water into and out of a water body. This control is crucial for managing water levels, maintaining flow rates, and ensuring safe water supply.
Petersen's theorem refers to a specific result in graph theory related to the structure of graphs. It states that every cubic vertex-transitive graph that is not bipartite contains a Hamiltonian cycle. A graph is cubic if every vertex has degree 3 (i.e., each vertex is connected to exactly three other vertices).
Fluorescent lamp formats refer to the various types and configurations of fluorescent lamps used for lighting. Fluorescent lamps work by passing electricity through a gas, which produces ultraviolet light that then excites a phosphor coating on the inside of the tube, emitting visible light. Here are some common formats and characteristics of fluorescent lamps: 1. **Tube Shape**: - **T8**: 1 inch in diameter, commonly used in commercial and residential lighting.
The Aberth method is a numerical technique used to find all the roots of a polynomial simultaneously. It is an iterative method that generalizes the Newton-Raphson method for root-finding. The key aspect of the Aberth method is that it uses multiple initial guesses, which are often spread out in the complex plane. This allows for the convergence to multiple roots more effectively than using single-variable methods that tend to find just one root at a time.
The Actor model is a conceptual model used in computer science to design and implement concurrent and distributed systems. It abstracts the notion of computation as the interaction of independent entities called "actors," which communicate with one another through messages. This model helps manage the complexity of concurrent programming and is known for its robustness in handling distribution and fault tolerance. ### History of the Actor Model 1.
Advanced Continuous Simulation Language (ACSL) is a high-level programming language designed specifically for simulation of continuous systems, particularly those found in the fields of engineering and physics. It provides a means to model and analyze dynamic systems through differential equations, making it suitable for applications in control systems, signal processing, and various engineering disciplines.
Affine \( q \)-Krawtchouk polynomials are a family of orthogonal polynomials that arise in the context of quantum calculus or non-classical orthogonal polynomial theory, particularly in relation to \( q \)-analogs of established mathematical concepts. These polynomials generalize the classical Krawtchouk polynomials, which are associated with the binomial distribution and combinatorial problems.
Fluorescent penetrant inspection (FPI) is a non-destructive testing (NDT) method used to detect surface-breaking defects in non-porous materials, such as metals, plastics, and ceramics. This technique is particularly useful for identifying cracks, voids, and other imperfections that can affect the integrity and performance of components.
Thomas E. Anderson is a fictional character from the "Matrix" film series, played by actor Keanu Reeves. In the story, he is a computer hacker who later discovers that reality as he knows it is a simulated reality called the Matrix. He is also known by his hacker alias, "Neo." Throughout the series, Neo embarks on a journey to understand his role in the fight against the machines that control the Matrix, ultimately becoming a key figure in the battle for humanity's freedom.
Pinned article: Introduction to the OurBigBook Project
Welcome to the OurBigBook Project! Our goal is to create the perfect publishing platform for STEM subjects, and get university-level students to write the best free STEM tutorials ever.
Everyone is welcome to create an account and play with the site: ourbigbook.com/go/register. We belive that students themselves can write amazing tutorials, but teachers are welcome too. You can write about anything you want, it doesn't have to be STEM or even educational. Silly test content is very welcome and you won't be penalized in any way. Just keep it legal!
Intro to OurBigBook
. Source. We have two killer features:
- topics: topics group articles by different users with the same title, e.g. here is the topic for the "Fundamental Theorem of Calculus" ourbigbook.com/go/topic/fundamental-theorem-of-calculusArticles of different users are sorted by upvote within each article page. This feature is a bit like:
- a Wikipedia where each user can have their own version of each article
- a Q&A website like Stack Overflow, where multiple people can give their views on a given topic, and the best ones are sorted by upvote. Except you don't need to wait for someone to ask first, and any topic goes, no matter how narrow or broad
This feature makes it possible for readers to find better explanations of any topic created by other writers. And it allows writers to create an explanation in a place that readers might actually find it.Figure 1. Screenshot of the "Derivative" topic page. View it live at: ourbigbook.com/go/topic/derivativeVideo 2. OurBigBook Web topics demo. Source. - local editing: you can store all your personal knowledge base content locally in a plaintext markup format that can be edited locally and published either:This way you can be sure that even if OurBigBook.com were to go down one day (which we have no plans to do as it is quite cheap to host!), your content will still be perfectly readable as a static site.
- to OurBigBook.com to get awesome multi-user features like topics and likes
- as HTML files to a static website, which you can host yourself for free on many external providers like GitHub Pages, and remain in full control
Figure 3. Visual Studio Code extension installation.Figure 4. Visual Studio Code extension tree navigation.Figure 5. Web editor. You can also edit articles on the Web editor without installing anything locally.Video 3. Edit locally and publish demo. Source. This shows editing OurBigBook Markup and publishing it using the Visual Studio Code extension.Video 4. OurBigBook Visual Studio Code extension editing and navigation demo. Source. - Infinitely deep tables of contents:
All our software is open source and hosted at: github.com/ourbigbook/ourbigbook
Further documentation can be found at: docs.ourbigbook.com
Feel free to reach our to us for any help or suggestions: docs.ourbigbook.com/#contact





