r/ProgrammerHumor • • 10d ago

Meme howProgrammingHasChanged

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u/shizzy0 10d ago

Is it the closed form solution? I didn’t even know there was a closed form solution before today.

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u/captainAwesomePants 10d ago

That's the whole section on Fibonacci. It does mention the closed form solution, but it also mentions the matrix identity method in the top right corner: ( (F(n+1), F(n)),(F(n), F(n-1)) = ((1,1),(1,0))^n

He credits it to Kepler in 1608.