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JOI2020ss「高次方程式を解く」
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ZenReKkyo
September 30, 2025
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JOI2020ss「高次方程式を解く」
JOIssで発表するスライドです。
ZenReKkyo
September 30, 2025
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Transcript
None
▪ ▪ ▪
▪
▪ – – +1 = − ′
+ Δ + ∆ = + ′ ∆ + 1
2 ′′ ∆2 + ⋯
▪ + ∆ = + ′ ∆ ▪ ∆ ▪
∆ ≅ − ′ + ∆ = +1
▪ α ▪ − α ▪
None
▪ 1 , 2 , … ▪ ≅ 0 −
′ 1 − ′ σ != 1 −
▪ 1 , 2 , … = ς − ▪
log () = log − log( − )
▪ log () = log − σ log − ′
= ′ − 1 − − ′ = − ′ 1 − ′ σ != 1 −
▪ ▪
▪ ▪
None
▪ ▪
▪ = 0 = − −1 −1 − 1 −
1 − 2 … ( − )
▪ + + −1 −1 + ⋯ + 0 ▪
= − −1 −1 − ⋯ − 0 ▪ = 0 + = 0
▪ – ( − − − ⋯ − ) –
→ +0 −∞ → ∞ 1 – ▪ – () –
= + exp[ (2 + 3 2 )]
▪ + ▪ ▪
▪ ▪ + 1 5 = 0 ▪ ▪
▪ + ς != | − | ▪
▪ ▪ ▪
▪ ▪