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cos(x)=x

Flammable Maths 67,386 lượt xem 3 years ago
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Lagrange Inversion: https://youtu.be/BKe_ijf6GYE

Today we calculate the transcendental number called "Dottie Number", which is the unique solution to the fixed point equation cos x=x . We use the Lagrange Inversion Theorem to get a perfectly disgusting series solution that is a numerical horror show. Enjoy! :D

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