Author Archives: M. Eric Carr

Three-phase power demonstrator

Posted on 2023-07-31 by M. Eric Carr

I recently discovered Temu — a site selling miscellanea at often hard-to-believe low prices. A lot of what they sell is standard Dollar Store fare (plastic kitchen implements and small metal tea infusers and such), but they also have some … Continue reading →

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Cache And Carry

Posted on 2023-06-30 by M. Eric Carr

The Hofstadter Q sequence, like the Fibonacci numbers, is best computed with a caching scheme. But bring a lot of memory. Continue reading →

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Neural-Network Fractals

Posted on 2023-05-30 by M. Eric Carr

Last weekend, on a whim, I asked GPT-4 “Please teach me how to create simple neural networks in Python using PyTorch.” I wasn’t sure how well that would go, but figured it was worth a try. I not only learned … Continue reading →

Posted in Algorithms, Coding, Fractals, Machine Learning / Neural Networks, Minecraft, Python | Tagged , , , , , | Leave a comment

The Old XOR Switcheroo

Posted on 2023-04-24 by M. Eric Carr

Swap two binary integers, without using a temporary variable. Not magic — XOR. Continue reading →

Posted in Algorithms, Assembly, Coding, Digital, Math | Tagged , , , | Leave a comment