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…
How Lewis Carroll computed determinants: Dodgson condensation explained
TL;DR Charles Dodgson (Lewis Carroll) devised a hand-friendly algorithm for determinants now called Dodgson condensation or the method of contractants.…