Vector fields on spheres refer to mathematical structures that assign a vector to each point on a sphere. More formally, given a sphere (like the surface of a unit sphere in three-dimensional space), a vector field is a continuous function that maps each point on the sphere to a vector in \(\mathbb{R}^3\) (or the tangent space at that point). ### Key Concepts 1.
Vector radiative transfer refers to the study of how electromagnetic radiation, particularly light, interacts with matter in a medium where the properties of the radiation can be described by vectors. This is an extension of the classical radiative transfer theory that typically considers scalar radiative transfer, which is simpler but less accurate in certain situations. In vector radiative transfer, the polarization state of light is taken into account, which is essential when dealing with scattering processes involving particles, atmospheric optics, and remote sensing applications.
Binary decision by Wikipedia Bot 0
A binary decision is a choice made between two distinct options or outcomes. In the context of decision-making, it typically involves evaluating two possibilities where one is chosen over the other. These types of decisions are often represented as "yes/no," "true/false," or "0/1" scenarios. Binary decisions are common in various fields, including mathematics, computer science, and business, and they form the basis of binary logic used in digital circuitry and programming.
Friendly number by Wikipedia Bot 0
A "friendly number" typically refers to a number that is part of a pair or set of numbers with a mutual relationship, where two numbers share a specific mathematical characteristic. The term is most commonly associated with the concept of "friendly pairs" or "friendly numbers" in the context of number theory, particularly in relation to amicable numbers.
The Vehicle Routing Problem (VRP) is a combinatorial optimization problem that aims to determine the most efficient routes for a fleet of vehicles to deliver goods to a set of customers. It is a fundamental problem in logistics and transportation and has applications in various industries, including delivery services, food distribution, and waste collection. The primary objective of the VRP is to minimize certain costs, such as total distance traveled, time taken, or operational expenses while ensuring that all customer demands are met.
Return on assets by Wikipedia Bot 0
Return on Assets (ROA) is a financial metric used to assess a company's efficiency in using its assets to generate earnings. It indicates how well a company is utilizing its assets to produce profit. The formula for calculating ROA is: \[ \text{ROA} = \frac{\text{Net Income}}{\text{Total Assets}} \] Where: - **Net Income** refers to the profit of the company after all expenses, including taxes and interest, have been deducted.
The Piqua Nuclear Generating Station was a proposed nuclear power plant that was intended to be constructed in Piqua, Ohio. However, it was never built. The project faced various challenges and opposition, leading to its eventual cancellation in the 1980s. There were concerns about safety, environmental impact, and the economic feasibility of nuclear power at the time.
Pitch class space by Wikipedia Bot 0
Pitch class space is a concept in music theory that refers to the organization of pitch classes into a conceptual space where notes are treated as equivalent if they are related by octave. In this context, a pitch class is a set of all pitches that are a whole number of octaves apart. For example, the pitch classes C, C#, D, D#, etc., are all represented in their respective "space.
Vertical resistance refers to the resistance that is encountered when an electric field is applied in a direction that is perpendicular (or vertical) to the surface of a material. This term is often used in the context of various types of materials, particularly in the fields of electronics, materials science, and geotechnical engineering. In the context of electrical engineering, vertical resistance can be significant in measuring the performance and behavior of semiconductor devices, capacitors, and other components when subjected to an electric field.
Verticity by Wikipedia Bot 0
As of my last knowledge update in October 2021, "Verticity" does not refer to a widely recognized concept, brand, or term in the general domain of knowledge. It’s possible that it could refer to a company, product, or concept that has emerged or gained prominence after that date.
Victor Allis by Wikipedia Bot 0
Victor Allis is a notable figure in the field of computer science, particularly known for his contributions to artificial intelligence and game theory. He is best recognized for his work on game-playing algorithms and for creating the game "Gomoku" (also known as Five in a Row) as well as other games in this genre. Allis has also published research on the complexities of games, exploring concepts such as search algorithms and decision-making processes in AI.
Werk 80 II by Wikipedia Bot 0
"Werk 80 II" is an album by the German heavy metal band Atrocity, released in 1999. It is a continuation of their earlier album "Werk 80," which consisted of covers of various songs from the 1980s, reinterpreted in the band's signature style. "Werk 80 II" follows this concept, featuring new renditions of popular tracks from that era, blending metal and gothic elements with the original songs.
Video by Wikipedia Bot 0
Video is a technology and medium used to capture, store, and display moving images and sound. It combines a series of still images or frames played in quick succession to create the illusion of motion, which is typically accompanied by audio. Videos can be produced in a wide variety of formats and can be used for numerous purposes, including entertainment, education, communication, and marketing. Key components of video include: 1. **Frames**: Individual images that make up the video.
Video game fandom by Wikipedia Bot 0
Video game fandom refers to the community and culture surrounding video games, characterized by passionate fans who share a deep appreciation for the medium. This fandom encompasses a wide range of activities, interests, and expressions related to video games, including: 1. **Community Engagement**: Fans often participate in online forums, social media groups, and fan clubs to discuss games, share experiences, and connect with others who have similar interests.
Video game platform emulators are software applications or hardware devices that mimic the functionality of a specific video game console or computer system, allowing users to play games designed for that platform on different hardware. Emulators replicate the original system's hardware architecture, enabling games to run on various platforms like PCs, smartphones, or other consoles.
Videostroboscopy by Wikipedia Bot 0
Videostroboscopy is a specialized medical imaging technique used to assess the vocal folds (cords) and their function during phonation (voice production). It combines stroboscopic light with high-speed video recording to visualize the vibrations of the vocal folds in slow motion. This technique allows healthcare professionals, typically an otolaryngologist or a speech-language pathologist, to analyze the motion and characteristics of the vocal folds more thoroughly than with standard laryngoscopy.
PKCS 7 by Wikipedia Bot 0
PKCS #7, which stands for "Public Key Cryptography Standards" #7, is a standard for cryptographically protected messages. It specifies a syntax for data that may be encrypted, signed, or both. It is commonly used in various cryptographic protocols and applications, such as email encryption (e.g., S/MIME) and document signing.
Vinzenz Bronzin by Wikipedia Bot 0
Vinzenz Bronzin is not a widely recognized name or term as of my last knowledge update in October 2023. If Vinzenz Bronzin refers to a specific person, concept, product, or event that has gained significance recently, I might not have the current information.
Virginia Lesser by Wikipedia Bot 0
Virginia Lesser may refer to a person, but there is limited information available about her in widely known contexts. If you're looking for information about a specific individual named Virginia Lesser, please provide more details or context. It's also possible that the name could refer to a fictional character or a concept in a specific domain, so additional information would be helpful to provide a more accurate answer.
A virtual influencer is a computer-generated character designed to engage with audiences on social media and other digital platforms, often mimicking the traits and interactions of real human influencers. These influencers are created using techniques from graphic design, animation, and artificial intelligence, and they can have distinct personalities, styles, and backstories. Virtual influencers can be used for a variety of purposes, including promoting products, advocating for causes, and engaging in brand collaborations, similar to traditional human influencers.

Pinned article: ourbigbook/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!
We have two killer features:
  1. 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-calculus
    Articles 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/derivative
  2. 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.
    Figure 5. . 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.
  3. https://raw.githubusercontent.com/ourbigbook/ourbigbook-media/master/feature/x/hilbert-space-arrow.png
  4. Infinitely deep tables of contents:
    Figure 6.
    Dynamic article tree with infinitely deep table of contents
    .
    Descendant pages can also show up as toplevel e.g.: ourbigbook.com/cirosantilli/chordate-subclade
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