Unary coding, or the unary numeral system and also sometimes called thermometer code, is an entropy encoding that represents a natural number, n, with a code of length n + 1 ( or n ), usually n ones followed by a zero (if natural number is understood as non-negative integer) or with n − 1 ones followed by a zero (if natural number is understood as strictly positive integer). For example 5 is represented as 111110 or 11110. Some representations use n or n − 1 zeros followed by a one. The ones and zeros are interchangeable without loss of generality. Unary coding is both a prefix-free code and a self-synchronizing code. Unary coding is an optimally efficient encoding for the following discrete probability distribution for . In symbol-by-symbol coding, it is optimal for any geometric distribution for which k ≥ φ = 1.61803398879…, the golden ratio, or, more generally, for any discrete distribution for which for . Although it is the optimal symbol-by-symbol coding for such probability distributions, Golomb coding achieves better compression capability for the geometric distribution because it does not consider input symbols independently, but rather implicitly groups the inputs. For the same reason, arithmetic encoding performs better for general probability distributions, as in the last case above. (Wikipedia).
(IC 5.11) Finite-precision arithmetic coding - Rescaling
We integrate the rescaling operations into the infinite-precision encoder, as a precursor to the finite-precision encoder. A playlist of these videos is available at: http://www.youtube.com/playlist?list=PLE125425EC837021F
From playlist Information theory and Coding
An intro to the core protocols of the Internet, including IPv4, TCP, UDP, and HTTP. Part of a larger series teaching programming. See codeschool.org
From playlist The Internet
An informal introduction to cryptography. Part of a larger series teaching programming at http://codeschool.org
From playlist Cryptography
(IC 5.6) Encoder for arithmetic coding (infinite-precision)
Pseudocode for the arithmetic coding algorithm, assuming addition and multiplication can be done exactly (i.e. with infinite precision). Later we modify this to work with finite precision. A playlist of these videos is available at: http://www.youtube.com/playlist?list=PLE125425EC837
From playlist Information theory and Coding
What is the alternate in sign sequence
👉 Learn about sequences. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. There are many types of sequence, among which are: arithmetic and geometric sequence. An arithmetic sequence is a sequence in which
From playlist Sequences
(IC 5.5) Rescaling operations for arithmetic coding
Certain rescaling operations are convenient for the infinite-precision algorithm, and are critical for the finite-precision algorithm. A playlist of these videos is available at: http://www.youtube.com/playlist?list=PLE125425EC837021F
From playlist Information theory and Coding
(IC 5.7) Decoder for arithmetic coding (infinite-precision)
Pseudocode for the arithmetic coding algorithm, assuming addition and multiplication can be done exactly (i.e. with infinite precision). Later we modify this to work with finite precision. A playlist of these videos is available at: http://www.youtube.com/playlist?list=PLE125425EC837021F
From playlist Information theory and Coding
Dynamic Random Access Memory (DRAM). Part 3: Binary Decoders
This is the third in a series of computer science videos is about the fundamental principles of Dynamic Random Access Memory, DRAM, and the essential concepts of DRAM operation. This video covers the role of the row address decoder and the workings of generic binary decoders. It also expl
From playlist Random Access Memory
[Rust Programming] Crafting Interpreters: Day 4
In this video we continue to look at the Crafting Interpreters book, and learn how to port it to Rust. Since I'm a Rust beginner, the intent is that it will help me learn the language more in-depth than before. The book: https://craftinginterpreters.com/contents.html Today we finished ch
From playlist Rust Ports
How To Create A Calculator App In Swift | Session 03 | #mobileapp | #swift | #programming
Don’t forget to subscribe! This project series is about how to create a calculator app in Swift. You'll learn to set up your UI from a predesigned template using auto-layout, how you connect your UI with your code to get to a working calculator app. We will go through all the theoretical
From playlist Create A Calculator App In Swift
Count negative numbers in a sorted matrix using 13 programming languages! CREDITS: The original video was published on the code_report YouTube channel (https://www.youtube.com/channel/UC1kBxkk2bcG78YBX7LMl9pQ) and the channel owner provided Coding Tech the publication permissions.
From playlist Learn To Code
Live CEOing Ep 550: Language Design in Wolfram Language [Splice, Shuffles & WFR Submissions]
In this episode of Live CEOing, Stephen Wolfram discusses upcoming improvements and features to the Wolfram Language. If you'd like to contribute to the discussion in future episodes, you can participate through this YouTube channel or through the official Twitch channel of Stephen Wolfram
From playlist Behind the Scenes in Real-Life Software Design
Geometric Algebra, First Course, Episode 05: Subtraction and Additive Inverse.
We add the ability to compute the additive inverse using unary operator overloading, then implement the subtraction of multivectors, again with binary operator overloading. Addition is also refined as well as defining the ratio of bivectors.
From playlist Geometric Algebra, First Course, in STEMCstudio
PROG2006 Advanced Programming Haskell - state, introduction Identity element Associative, Commutative operations Functor
From playlist PROG2006 - Programming
[Rust Programming] Crafting Interpreters: Day 6
In this video we continue to look at the Crafting Interpreters book, and learn how to port it to Rust. Since I'm a Rust beginner, the intent is that it will help me learn the language more in-depth than before. The book: https://craftinginterpreters.com/contents.html Today we did some re
From playlist Rust Ports
LA Ruby Conference 2011 - Keynote with Evan Phoenix
Developing a Language Help us caption & translate this video! http://amara.org/v/FNkF/
From playlist Los Angeles Ruby Conf 2011
Coding vs Programming | What Is The Difference Between Coding And Programming? | Simplilearn
This video is based on the most exciting dibate topic where we will discuss about coding vs programming. In the typical conditions, the terms coding and programming are considered as synonyms to eachother, but there is a thin line of difference. This tutorial will help you learn the fundam
From playlist C++ Tutorial Videos
How To Create A Calculator App In Swift | Session 04 | #mobileapp | #swift | #programming
Don’t forget to subscribe! This project series is about how to create a calculator app in Swift. You'll learn to set up your UI from a predesigned template using auto-layout, how you connect your UI with your code to get to a working calculator app. We will go through all the theoretical
From playlist Create A Calculator App In Swift
Introduction to Computer Programming for beginners || Coding for beginners
Computer programming is the process of performing a particular computation (or more generally, accomplishing a specific computing result), usually by designing and building an executable computer program. Programming involves tasks such as analysis, generating algorithms, profiling algorit
From playlist Programming