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  • January 3, 2024
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The Million Dollar Matrix Multiply

The following post is by Wayne Joubert, the newest member of our consulting team. Wayne recently retired from his position as a Senior Computational Scientist at Oak Ridge National Laboratory. Training large language models like GPT-4 costs many millions of dollars in server expenses. These costs are expected to trend

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  • January 2, 2024
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Is there an elliptic curve with 2024 points?

On New Years Day I posted about groups of order 2024. Are there elliptic curves of order 2024? The Hasse-Weil theorem relates the number of points on an elliptic curve over a finite field to the number of elements of the field. Namely, an elliptic curve E over a field

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  • January 1, 2024
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Harnessing the Power of Zenserp for Advanced Search Engine Parsing

null Learn about Zenserp, a powerful tool for developers looking to enhance their projects with real-time, accurate search data. Continue reading Harnessing the Power of Zenserp for Advanced Search Engine Parsing on SitePoint.

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  • January 1, 2024
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Computing inverse factorial

I needed the inverse factorial function for my previous post. I was sure I’d written a post on computing the inverse factorial, and intended to reuse the code from that earlier post. But when I searched I couldn’t find anything, so I’m posting the code here for my future reference

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  • January 1, 2024
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Square root factorial

What factorial is closest to the factorial of 2024? A good guess would be 1012, based on the idea that √(n!) might be near (n/2)!. This isn’t correct—the actual answer is 1112—but it’s not wildly off. Could it be that (2n)! is asymptotically (n!)²? No, Gauss’ duplication formula shows that

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  • January 1, 2024
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Build Your Own AI Tools in Python Using the OpenAI API

Learn how to integrate the OpenAI/ChatGPT API into your Python scripts, from initial setup to real-world, practical examples of using it. Continue reading Build Your Own AI Tools in Python Using the OpenAI API on SitePoint.

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  • January 1, 2024
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Computing square root floor

Given an integer n, suppose you want to compute ⌊√n⌋, the greatest integer less than or equal to the square root of n. One reason you may want to compute ⌊√n⌋ is to know when you can stop trial division when factoring n. Similarly, ⌊√n⌋ gives you a starting point

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  • January 1, 2024
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Groups of order 2024

This time last year I wrote about groups of order 2023 and now I’d like to do the same for 2024. There are three Abelian groups of order 2024, and they’re not hard to find. We can factor 2024 = 8 × 11 × 23 and so the Abelian groups

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  • December 31, 2023
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Weak encryption and surveillance

Two of the first things you learn in cryptography are that simple substitution ciphers are very easy to break, and that security by obscurity is a bad idea. This post will revisit both of these ideas. Security depends on your threat model. If the threat you want to protect against

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  • December 29, 2023
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Randomize, then humanize

Yesterday I wrote about a way to memorize a random 256-bit encryption key. This isn’t trivial, but it’s doable using memory techniques. There’s a much easier way to create a memorable encryption key: start with something memorable, then apply a hash function. Why not just do that? There are two

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