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√2 をつくる

√2 をつくる

05a867429c5e5a2b4fe997b91bc98c11?s=128

Taketo Sano

March 19, 2016
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  1. 㲋Λͭ͘Δ !UBLFUP p 2

  2. 㲋ͱ͸ʁ p 2

  3.   p 2 ΠσΞͱͯ͠ͷ㲋 p 2

  4. ୅਺ํఔࣜͷղͱͯ͠ͷ㲋 p 2 x 2 2 = 0

  5. ίϯϐϡʔλʹ͓͚Δ㲋 p 2 let a = sqrt(2.0) // 1.414213562373095

  6. ͜Μͳͷ㲋͡Όͳ͍ʜ a * a == 2.0 // false p 2

  7. ίϯϐϡʔλͬͯͦ͏͍͏ϞϯͰ͔͢Β

  8. ͍͍͑

  9. 㲋͸࡞ΕΔʂ p 2

  10. None
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  14. ಉ͜͡ͱΛO࣍ࣜͰ΍Δ

  15. f(x) ⌘ g(x) (mod m(x)) , f ( x )

    , g ( x ) m ( x ) Λ Ͱׂͬͨ͋·Γ͸౳͍͠
  16. f ( x ) = 2 x 3 + x

    2 3 x + 2 g ( x ) = 5 x + 1 m ( x ) = x 2 + 1 ) f(x) ⌘ g(x) (mod m(x)) f ( x ) = (2 x + 1) · m ( x ) + g ( x )
  17. m ( x ) = x 2 2

  18. x 2 ⌘ 2 (mod m(x)) Λ๏ͱͨ͠ੈքͰ͸͜Ε͕㲋 m ( x

    ) p 2
  19. ࡞ͬͯΈΑ͏ʂ

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  25. ୅਺త਺͸࡞ΕΔʂ

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