The Generalized Entropy Index (GEI) is a class of measures used in economics and social sciences to quantify income inequality within a population. It is based on the concept of entropy from information theory, which relates to the distribution of income among individuals or groups.
Graph entropy by Wikipedia Bot 0
Graph entropy is a concept that quantifies the amount of uncertainty or randomness in the structure of a graph. It draws on ideas from information theory and statistical mechanics to provide a measure of the complexity or diversity of a graph's configuration. There are several ways to define and calculate graph entropy, depending on the context and the specific properties one wishes to analyze.
The IEEE Transactions on Information Theory is a prestigious scholarly journal that publishes research papers in the field of information theory, which is a branch of applied mathematics and electrical engineering. This journal is published by the Institute of Electrical and Electronics Engineers (IEEE) and focuses on the theoretical aspects of information processing.
Identity channel by Wikipedia Bot 0
The term "identity channel" can refer to different concepts depending on the context in which it's used. Here are a couple of potential meanings: 1. **Digital Identity Context**: In the realm of digital identity management, an identity channel might refer to the different means or platforms through which a user's identity is verified and communicated. This could include social media profiles, email addresses, or biometric data that help establish and authenticate a user's identity across different services and applications.
Informating by Wikipedia Bot 0
"Informating" generally refers to the process of transforming raw data into meaningful information through various methods of analysis, organization, and presentation. The term contrasts with "data gathering" or "data collection," focusing instead on the interpretation and contextualization of that data. In a broader sense, informating can involve: 1. **Data Processing**: Converting raw data into a structured format that can be more easily analyzed.
Karl Küpfmüller by Wikipedia Bot 0
Karl Küpfmüller was a German electrical engineer known for his contributions to the field of electrical engineering, particularly in the areas of circuit theory, signal processing, and systems analysis. He is also recognized for his work in developing models and methods for understanding electrical systems. One of his notable contributions is the establishment of the problem-oriented approach to circuit analysis, which focuses on solving practical problems rather than just theoretical ones.
Linear network coding is a method used in communication networks to improve the efficiency and reliability of data transmission. It is an extension of classical network coding, which allows data packets to be mixed or combined in a way that enables more efficient routing and transmission through a network. ### Key Concepts of Linear Network Coding: 1. **Data Representation**: In linear network coding, data is typically represented as vectors over a finite field.
Minimum Fisher information refers to the minimal amount of information that can be extracted from a statistical model regarding an unknown parameter. In statistics, the Fisher information is a way of measuring the amount of information that an observable random variable carries about a parameter upon which the likelihood function depends.
Operator grammar by Wikipedia Bot 0
Operator grammar is a type of formal grammar that focuses on the manipulation and transformation of strings in a formal language. It was introduced by the linguist and computer scientist J. E. Hopcroft and is particularly associated with the study of syntax in natural languages and programming languages. In operator grammar, structural rules are defined through the use of "operators." These operators can manipulate strings based on specific patterns or structures, allowing for the generation and recognition of valid strings in the language.
Self-energy by Wikipedia Bot 0
Self-energy refers to the energy that a particle possesses due to its own field or interactions with its own electromagnetic field. This concept arises in various branches of physics, particularly in quantum field theory and electromagnetism. Here are some key points regarding self-energy: 1. **Electromagnetic Self-Energy**: In classical electrodynamics, the self-energy of a charged particle, such as an electron, considers the energy associated with its own electric field.
Quantum computing by Wikipedia Bot 0
Quantum computing is a type of computation that leverages the principles of quantum mechanics to process information in fundamentally different ways compared to classical computing. Here are some key concepts that define quantum computing: 1. **Quantum Bits (Qubits)**: Unlike classical bits, which can be either 0 or 1, qubits can exist in a superposition of states. This means that a qubit can represent 0, 1, or any quantum superposition of these states simultaneously.
Relay channel by Wikipedia Bot 0
Relay channels refer to a type of communication channel used in information theory and telecommunications to transmit messages. They serve as intermediaries that relay information from a sender to a receiver, often involving multiple nodes or stations. In a Relay Channel, the main idea is to allow one or more relay nodes to assist in the transmission from the source to the destination, which can enhance the performance and reliability of the communication.
The Shannon–Hartley theorem is a fundamental principle in information theory that provides a formula for calculating the maximum data rate (or channel capacity) that can be transmitted over a communication channel, given a certain bandwidth and signal-to-noise ratio (SNR). The theorem is mathematically expressed as: \[ C = B \log_2(1 + \text{SNR}) \] Where: - \( C \) is the channel capacity in bits per second (bps).
Spectral efficiency, often measured in bits per second per Hertz (bps/Hz), is a key performance metric in telecommunications and signal processing. It quantifies how efficiently a given bandwidth is utilized for transmitting information. Essentially, it measures the amount of data that can be transmitted over a given spectral bandwidth of a communication channel. Key points regarding spectral efficiency include: 1. **Units**: Spectral efficiency is typically expressed in units of bps/Hz.
Scramdisk by Wikipedia Bot 0
Scramdisk is a software product used for disk encryption, primarily for securing data on hard drives and removable storage devices. It allows users to create encrypted virtual disks or encrypt entire partitions or drives, thus protecting sensitive data from unauthorized access. The key features of Scramdisk typically include: 1. **Encryption Algorithms**: Scramdisk supports various encryption algorithms to secure data, ensuring confidentiality.
Szemerédi's regularity lemma is a fundamental result in graph theory, particularly in the study of large graphs. It provides a way to partition a large graph into a bounded number of "regular" bipartite subgraphs, which helps in understanding the structure of the graph.
Wilson's model of information behavior, developed by Peter Wilson in the 1980s, is a comprehensive framework designed to understand how individuals seek, use, and manage information. The model emphasizes the complex interplay of various factors influencing information behavior, which include individual characteristics (e.g., motivation, cognition), contextual factors (e.g., social environment, organizational setting), and the nature of the information itself.
X-ray computed tomography (CT) is an advanced imaging technique that combines X-ray technology with computer processing to create detailed cross-sectional images of the body. Unlike traditional X-rays, which provide flat images, CT scans offer a three-dimensional view of internal structures, allowing for better visualization of organs, tissues, and other structures. ### How it Works: 1. **X-ray Generation**: The CT scanner has a rotating X-ray tube that emits X-rays as it circles around the patient.
Rule 184 by Wikipedia Bot 0
Rule 184 typically refers to a regulation within specific contexts, such as administrative law, financial regulations, or professional ethics, depending on the jurisdiction or organization. However, without additional context, it's difficult to pinpoint which "Rule 184" you are referring to. For example, in some regulatory frameworks, Rule 184 could pertain to communication protocols, compliance requirements, or even procedural guidelines for legal or corporate actions.

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