# fibonacci

Published articles for fibonacci.

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## Carnival of Mathematics #233

DevFeed: [Carnival of Mathematics #233](<https://devfeed.tech/articles/carnival-of-mathematics-233-40458.md>)

Original publisher: [Read original article](<https://www.jeremykun.com/2022/11/01/carnival-of-mathematics-233/>)

Published: 2024-11-01T07:00:00Z

Content type: article

Language: en

Sources: [Jeremy Kun](<https://devfeed.tech/sources/jeremy-kun.md>)

Topics: [math](<https://devfeed.tech/topics/math.md>), [GPU](<https://devfeed.tech/topics/gpu.md>), [Nvidia](<https://devfeed.tech/topics/nvidia.md>), [clustering](<https://devfeed.tech/topics/clustering.md>), [Regular expression](<https://devfeed.tech/topics/regular-expression.md>), [Python](<https://devfeed.tech/topics/python.md>)

Tags: [carnival](<https://devfeed.tech/tags/carnival.md>), [clustering](<https://devfeed.tech/tags/clustering.md>), [fibonacci](<https://devfeed.tech/tags/fibonacci.md>), [gpu](<https://devfeed.tech/tags/gpu.md>), [mathematics](<https://devfeed.tech/tags/mathematics.md>), [nvidia](<https://devfeed.tech/tags/nvidia.md>), [python](<https://devfeed.tech/tags/python.md>), [regex](<https://devfeed.tech/tags/regex.md>)

### AI overview

A roundup of mathematics news and media from October 2022, including a newly reported largest known prime, mathematical research, discussions of political geography and clustering, and videos about voting paradoxes, polylinks, and prime-recognizing regular expressions.

### Source excerpt

Welcome to the 233rd Carnival of Mathematics! Who can forget 233, the 6th Fibonacci prime? Hey, not all numbers are interesting. Don't ask me about the smallest positive uninteresting number. You can't make it interesting with your feeble mind tricks! Anyway, on to the fun. Provers and Shakers The big discovery this month was a new largest known prime number, $2^{136279841} - 1$, as reported by the Great Internet Mersenne Prime Search.

## Carnival of Mathematics #197

DevFeed: [Carnival of Mathematics #197](<https://devfeed.tech/articles/carnival-of-mathematics-197-40448.md>)

Original publisher: [Read original article](<https://www.jeremykun.com/2021/09/01/carnival-of-mathematics-197/>)

Published: 2021-09-01T08:00:00Z

Content type: article

Language: en

Sources: [Jeremy Kun](<https://devfeed.tech/sources/jeremy-kun.md>)

Topics: [Mathematics](<https://devfeed.tech/topics/mathematics.md>), [Graphics](<https://devfeed.tech/topics/graphics.md>), [Simulation](<https://devfeed.tech/topics/simulation.md>), [Data Science](<https://devfeed.tech/topics/data-science.md>)

Tags: [carnival](<https://devfeed.tech/tags/carnival.md>), [dataset](<https://devfeed.tech/tags/dataset.md>), [fibonacci](<https://devfeed.tech/tags/fibonacci.md>), [folding](<https://devfeed.tech/tags/folding.md>), [functional-analysis](<https://devfeed.tech/tags/functional-analysis.md>), [geometric-series](<https://devfeed.tech/tags/geometric-series.md>), [graphics](<https://devfeed.tech/tags/graphics.md>), [inner-product](<https://devfeed.tech/tags/inner-product.md>), [knot-theory](<https://devfeed.tech/tags/knot-theory.md>), [mathematics](<https://devfeed.tech/tags/mathematics.md>), [oeis](<https://devfeed.tech/tags/oeis.md>), [sequence](<https://devfeed.tech/tags/sequence.md>), [sieve](<https://devfeed.tech/tags/sieve.md>), [simulation](<https://devfeed.tech/tags/simulation.md>), [umap](<https://devfeed.tech/tags/umap.md>), [visualization](<https://devfeed.tech/tags/visualization.md>)

### AI overview

The 197th Carnival of Mathematics introduces the number 197 and highlights mathematical and technical topics including curve untangling, folding equilateral triangles without measurement, and criticism of UMAP and t-SNE dimensionality reduction.

### Source excerpt

Welcome to the 197th Carnival of Mathematics! 197 is an unseemly number, as you can tell by the Wikipedia page which currently says that it has "indiscriminate, excessive, or irrelevant examples." How deviant. It's also a Repfigit, which means if you start a fibonacci-type sequence with the digits 1, 9, 7, and then continue with $ a_n = a_{i-3} + a_{i-2} + a_{i-1}$, then 197 shows up in the sequence. Indeed: 1, 9, 7, 17, 33, 57, 107, 197, ...

## Exponential Backoff with Java 8

DevFeed: [Exponential Backoff with Java 8](<https://devfeed.tech/articles/exponential-backoff-with-java-8-37712.md>)

Original publisher: [Read original article](<https://carlosbecker.com/posts/exponential-backoff-java8/>)

Author: Carlos Alexandro Becker

Published: 2014-10-26T00:00:00Z

Content type: tutorial

Language: en

Sources: [Carlos Becker](<https://devfeed.tech/sources/carlos-becker.md>)

Topics: [Java 8](<https://devfeed.tech/topics/java-8.md>), [Algorithm](<https://devfeed.tech/topics/algorithm.md>), [interface](<https://devfeed.tech/topics/interface.md>)

Tags: [algorithm](<https://devfeed.tech/tags/algorithm.md>), [fibonacci](<https://devfeed.tech/tags/fibonacci.md>), [functional](<https://devfeed.tech/tags/functional.md>), [java](<https://devfeed.tech/tags/java.md>), [java-8](<https://devfeed.tech/tags/java-8.md>)

### AI overview

This tutorial explains exponential backoff and demonstrates an implementation in Java 8. It uses functional interfaces and a Fibonacci sequence to increase the waiting time between retries when a service connection fails with an expected error.

### Source excerpt

Exponential backoff is an algorithm that uses feedback to multiplicatively decrease the rate of some process, in order to gradually find an acceptable rate. --- Wikipedia

## A Spoonful of Python (and Dynamic Programming)

DevFeed: [A Spoonful of Python (and Dynamic Programming)](<https://devfeed.tech/articles/a-spoonful-of-python-and-dynamic-programming-40254.md>)

Original publisher: [Read original article](<https://www.jeremykun.com/2012/01/12/a-spoonful-of-python/>)

Published: 2012-01-12T23:11:26Z

Content type: tutorial

Language: en

Sources: [Jeremy Kun](<https://devfeed.tech/sources/jeremy-kun.md>)

Topics: [Python](<https://devfeed.tech/topics/python.md>), [Programming](<https://devfeed.tech/topics/programming.md>), [Algorithm](<https://devfeed.tech/topics/algorithm.md>)

Tags: [dynamic-programming](<https://devfeed.tech/tags/dynamic-programming.md>), [fibonacci](<https://devfeed.tech/tags/fibonacci.md>), [memoized-recursion](<https://devfeed.tech/tags/memoized-recursion.md>), [primer](<https://devfeed.tech/tags/primer.md>), [python](<https://devfeed.tech/tags/python.md>), [recursion](<https://devfeed.tech/tags/recursion.md>)

### AI overview

A Python primer covering built-in types such as lists, tuples, and dictionaries, with examples involving Fibonacci numbers and optimal coin change. It introduces dynamic programming and compares inefficient recursive and recursionless approaches.

### Source excerpt

This primer is a third look at Python, and is admittedly selective in which features we investigate (for instance, we don't use classes, as in our second primer on random psychedelic images). We do assume some familiarity with the syntax and basic concepts of the language. For a first primer on Python, see A Dash of Python. We'll investigate some of Python's useful built-in types, including lists, tuples, and dictionaries, and we use them to computing Fibonacci numbers and "optimal" coin change.