In computing, **bandwidth** refers to the maximum rate of data transfer across a network or the capacity of a communication channel over a specific period of time. It is typically measured in bits per second (bps), and its larger units include kilobits per second (kbps), megabits per second (Mbps), and gigabits per second (Gbps).
"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.
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.
Siegmund Günther was a notable figure in the field of mathematics, particularly known for his contributions to the study of function theory, which encompasses the behavior of holomorphic functions and complex variables.
Johann Gottlieb Friedrich von Bohnenberger (1772-1846) was a German mathematician and astronomer notable for his contributions to the fields of mathematics, particularly in geometry, and practical applications in surveying and navigation. He is known for developing instruments and enhancing techniques in these areas. One of his significant contributions includes work on the theory of the pendulum and its applications. Bohnenberger's work laid the foundation for further developments in astronomical observations and measurements.
Al-Samawal al-Maghribi, full name Abu al-Hasan Ali ibn al-Samawal al-Maghribi, was a notable Muslim mathematician and astronomer who lived during the 12th century, specifically from around 1130 to 1180 CE. He is often recognized for his contributions to algebra and mathematics in the Islamic Golden Age.
A Chartered Mathematician (CMath) is a professional designation awarded to individuals who have demonstrated a high level of competence and expertise in the field of mathematics. This title is typically conferred by professional bodies such as the Institute of Mathematics and its Applications (IMA) in the UK.
AP Statistics is a college-level course offered by the College Board as part of the Advanced Placement (AP) program. It is designed for high school students to provide them with an introduction to the concepts and methods of statistics. The course involves collecting, analyzing, and interpreting data, and it emphasizes critical thinking and reasoning.
The Richardson Professor of Applied Mathematics is typically a distinguished academic position held at a university, often named in honor of a notable mathematician or applied mathematician, such as Lewis Fry Richardson, who made significant contributions to the field. This professorship usually focuses on research and teaching in applied mathematics, which includes areas like numerical analysis, mathematical modeling, computational mathematics, and related fields.
The Core-Plus Mathematics Project (CPMP) is an innovative mathematics curriculum designed for high school students, particularly aimed at fostering deep conceptual understanding of mathematical concepts and skills through exploration and problem-solving. CPMP emphasizes a problem-centered curriculum that integrates various strands of mathematics, including algebra, geometry, statistics, and discrete mathematics.
"Fat Chance: Probability from 0 to 1" is a book written by the mathematician, statistician, and author, Dr. Michael A. "Mike" :,’s book aims to provide readers with an engaging introduction to the concepts of probability and statistics, emphasizing real-world applications and intuitive understanding. The book uses a range of examples, anecdotes, and practical problems to illustrate probability concepts.
Geometric Algebra is a mathematical framework that extends traditional algebra and geometry by providing a unified language for various mathematical concepts, particularly in physics and engineering. The book titled "Geometric Algebra" by Leo Dorst, Daniel Fontijne, and Steven V. B. S. Mann is a comprehensive guide that explores this framework.
John Mighton is a Canadian mathematician, author, and educator known for his work in mathematics education and for founding the organization JUMP (Jump Math), which aims to help students improve their math skills. Mighton has developed a teaching program that focuses on building confidence and understanding in mathematics among students, particularly those who struggle with the subject. In addition to his contributions to education, he is also a playwright and has written several plays that have received critical acclaim.
Sparse matrices are matrices that contain a significant number of zero elements. In contrast to dense matrices, where most of the elements are non-zero, sparse matrices are characterized by having a high proportion of zero entries. This sparsity can arise in many applications, particularly in scientific computing, graph theory, optimization problems, and machine learning. ### Characteristics of Sparse Matrices: 1. **Storage Efficiency**: Because many elements are zero, sparse matrices can be stored more efficiently than dense matrices.
Higher-dimensional gamma matrices are generalizations of the familiar Dirac gamma matrices used in quantum field theory, particularly in the context of relativistic quantum mechanics and the formulation of spinors.
A logical matrix is a two-dimensional array or table where each element is a binary value, typically represented as `TRUE` (often coded as 1) or `FALSE` (often coded as 0). Logical matrices are used in various fields, including mathematics, computer science, and statistics, to represent relationships, conditions, and truth values. ### Characteristics of Logical Matrices: 1. **Binary Values**: The entries of a logical matrix are restricted to two states—true or false.
Matrix regularization refers to techniques used in machine learning and statistics to prevent overfitting and improve the generalization of models that involve matrices. In many applications, particularly in collaborative filtering, recommendation systems, and regression tasks, models use matrices to represent relationships between different entities (like users and items). Regularization helps in controlling model complexity by adding a penalty for large coefficients, hence encouraging simpler models that perform better on unseen data.
A Packed Storage Matrix (PSM) is a data structure used to efficiently store and manipulate sparse matrices, which contain a significant number of zero elements. Instead of storing all matrix elements in a standard two-dimensional array (which would consume a lot of memory for large matrices), a packed storage format only saves the non-zero entries along with any necessary information to reconstruct the matrix.
A **nilpotent matrix** is a square matrix \( A \) such that there exists some positive integer \( k \) for which the matrix raised to the power of \( k \) equals the zero matrix.

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!
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 2.
    You can publish local OurBigBook lightweight markup files to either https://OurBigBook.com or as a static website
    .
    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.
  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