matrix algorithms Archives

Dodgson condensation: Lewis Carroll’s hand-friendly method for determinants

TL;DR Charles Dodgson (Lewis Carroll) devised a condensation procedure for computing determinants by repeatedly forming determinants of 2×2 blocks and…

December 26, 2025

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Tag: matrix algorithms

Dodgson condensation: Lewis Carroll’s hand-friendly method for determinants

You missed

SMTP Tunnel: A SOCKS5 proxy that masks TCP as SMTP to bypass DPI

Recreated: Steve Jobs’s 1975 Atari horoscope program — now runnable

Google to publish AOSP source twice yearly, a setback for custom ROMs

Transform your phone into a true productivity workhorse with a USB-C hub