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数学とバッファ

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 数学とバッファ

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YasuhiroKimesawa

November 29, 2019
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  1. ฏۉ ࠷ѱ ภࠩ? ϢʔβʔετʔϦʔ ೔ ೔  ϢʔβʔετʔϦʔ ೔ ೔

     ϢʔβʔετʔϦʔ ೔ ೔  ϢʔβʔετʔϦʔ ೔ ೔  ϢʔβʔετʔϦʔ ೔ ೔  ඪ४ภࠩ όοϑΝ 
  2. Ϣʔβʔ ετʔϦʔ ϢʔβʔετʔϦʔ̎ ̑೔ ⇛ ઃܭͷ͕࣌ؒඞཁ ೔ ⇛ ઃܭͷ͕࣌ؒඞཁ ɾઃܭ

    ɾ։ൃ࣌ؒ ɾ୯ମςετ ɾσϓϩΠ ɾಈ࡞֬ೝ ઃܭͷ࣌ؒΛݟͯͳ ͔ͬͨʂʂʂ
  3. ࣮੷ εϓϦϯτ̍  εϓϦϯτ̎  εϓϦϯτ̏  εϓϦϯτ̐  εϓϦϯτ̑

     εϓϦϯτ  ݻఆͷظؒͰϙΠϯτ෼Ͱ͖ͨ Βɺ࣍ͷಉ͡ظؒͰɺಉ͚ͩ͡࡞ ۀͰ͖ΔͳΒେମಉ͚ͩ͡੒ՌΛ ग़ͤΔͩΖ͏ͱ༧ଌͰ͖Δɻ ΋ͪΖΜɺ׬શʹ༧ଌͰ͖Δ΋ ͷͰ͸ͳ͍ͷͰɺࠩҟ͸ग़Δʣ
  4. ࣮੷ ฏۉ ࠷ߴ஋ ฏۉ ภࠩ Y ࠷ѱ஋ ฏۉภࠩ Y εϓϦϯτ̍

        εϓϦϯτ̎     εϓϦϯτ̏     εϓϦϯτ̐     εϓϦϯτ̑     εϓϦϯτ     ͦΕ·Ͱͷฏ ۉ͔Β࠷ߴ ஋ɺ࠷ѱ஋͔ ΒόοϑΝΛ ܭࢉ͢Δ͜ͱ Ͱ͞Βʹܭը ཱ͕ͯ΍͘͢ ͳΔ
  5. ࣮੷ ฏۉ ࠷ߴ஋ ฏۉ ภࠩ Y ࠷ѱ஋ ฏۉภࠩ Y εϓϦϯτ̍

        εϓϦϯτ̎     εϓϦϯτ̏     εϓϦϯτ̐     εϓϦϯτ̑     εϓϦϯτ     ΋ͪΖΜɺ ֤εϓϦϯτ ͷ੒Ռ͕ෆ҆ ఆͰ͋Ε͹ܭ ը͸ཱͯͮΒ ͍
  6.      εϓϦϯτ    

      ฏۉ ࠷ߴ஋ ࠷ѱ஋ ҆ఆ͍ͯ͠ͳ͍ϕϩγςΟ ࠷ѱ஋ɾ࠷ߴ ஋ͷ͕ࠩେ͖ ͘ɺόοϑΝ Λେ͖͘औΒ ͟ΔΛಘͳ ͍ɻ
  7.      εϓϦϯτ    

     ฏۉ ࠷ߴ஋ ࠷ѱ஋ ҆ఆ͍ͯ͠ΔϕϩγςΟ ࠷ѱ஋ɾ࠷ߴ ஋ͷ͕ࠩখ͞ ͍ͷͰେ͖ͳ όοϑΝ͸औ Βͳͯ͘ࡁΉ
  8. ͜Μͳݴ༿͕ඈͼަͬͯ·ͤΜ͔ʁ • ʰ̋̋(ਓͷ໊લ)ʱ͸(͜ͷ݅ʹ͍ͭͯ͸)λεΫΛׂΓ౰ͯΒΕͳ͍ɻ·ͩૣ͍ɻ • ʰ̋̋(ਓͷ໊લ)ʱͷ࿩͸XX(ΊΜͲ͍͘͞ɺΘ͔Γʹ͍͘ɺҙݟ͕߹Θͳ͍)ɻ • ʰ̋̋(ਓͷ໊લ)ʱͷ࢓ࣄͷ΍Γํ͕XX(ޮ཰ѱ͍ɺਐḿ஗͍ɺۀ຿Λ஌Ζ͏ͱ͠ͳ͍ɺ˚˚͢Ε͹͍͍ͷʹɺΘ͔ͬͯͳ ͍ɺ੒௕͠ͳ͍ɺɺɺ) • ʰ̋̋(ਓͷ໊લɺओʹ৽ଔ)ʱXX΍ͬͯཉ͍͠ɻ

    • ࢼ࿅Λ༩͍͑ͯΔɻ • ੒௕ͯ͠΄͍͔͠ΒɻͲ͏͢Ε͹੒௕Ͱ͖Δʁ • ܦݧ͕ඞཁʢͰ΋ҰਓͰ΍ͬͯɾɾɾ) ଱ੑ͕͋Δਓ΋͍Δ ࢒͍ͬͯΔͷ͕ͦͷΑ͏ͳϝϯ όʔ͔΋ ͕ɺࣗ෼͸ඞཁͳ͍ͱࢥͬͯ͠·ͬͨΒɾɾɾ εΩϧ͕ߴ͍εʔύʔϚϯ͚ͩͰ֤ʑݸਓͰؤுΕ͹͍͍ ͚ͩͳΒ໰୊͸ͳ͘ɺͰ͖Δਓͱ଱ੑ͕͋Δਓ͚ͩͰ࢓ ࣄΛਐΊΒΕΔɻ ͦͷ৔߹ɺνʔ΋ෆཁɺ͜͜·Ͱͷ࿩΋ෆཁɻ ແҙࣝʹ
  9. ৺ཧత҆શੑ • Googleͷݚڀɹੜ࢈ੑͷߴ͍νʔϜʹ੒ޭ͢ΔνʔϜ࡞Γʹඞཁͳ΋ͷͷ͢΂ͯͷ౔୆͕৺ཧత҆શɻ • νʔϜͰϦεΫͷ͋Δ͜ͱΛ͢Δͱ͖ʹɺෆ҆΍ஏ͔ͣ͠͞Λײ͡ͳ͍͔ [৺ཧత҆શੑʹෆ҆ΛҾ͖ى̐ͭ͜͢ͷෆ҆] • ແ஌ͩͱࢥΘΕΔෆ҆ • ແೳͩͱࢥΘΕΔෆ҆

    • अຐΛ͍ͯ͠ΔͱࢥΘΕΔෆ҆ • ωΨςΟϒͩͱࢥΘΕΔෆ҆ ৺ཧత҆શੑͷ͋ΔνʔϜ͸ɺνʔϜ಺Ͱͷڞײ΍഑ྀ͕Ͱ͍ͯΔঢ়ଶͰɺ ͓ޓ͍͕ͦΕͧΕͷଟ༷ੑΛೝΊɺ ͦΕͧΕͷߟ͑ํΛ͏·͘׆͔͢͜ͱ͕Ͱ͖͍ͯΔνʔϜɻ ͓ޓ͍Λೳྗ͋Δಠཱͨ͠ݸਓͱͯ͠ଚܟ͠ͳ͚Ε͹ͳΒͳ͍
  10. ৺ཧత҆શੑ͕ߴ͍νʔϜͷྫ w ਓΛׂΓ౰ͯΔɺਓʹλεΫΛৼΔɺ͜ͷλεΫ͸YY͔͠Ͱ͖ͳ͍ɺɺɺͷͰ͸ͳͯ͘νʔ ϜͷλεΫͱͯ͠औΓѻ͏ w ϖΞϓϩɾϞϒϓϩ w ࣗΒλεΫΛऔΔʢऔΓѻ͍஫ҙ  w

    ׬ྃͷఆٛ w ேձ w ɾɾɾ w ୭͕ιʔεΛॻ͘ɺɺɺ͜͜͸୭͕ιʔεΛॻ͍ͨɺɺɺͰ͸ͳ͘ɺιʔε͸νʔϜͷڞಉ ॴ༗ w ୭΋͕ΧΠθϯͰ͖ͯɺ୭΋͕मਖ਼Ͱ͖Δ w ઈ͑ؒͳ͍ϦϑΝΫλϦϯάͱ඼࣭޲্ w ɾɾɾ w YYͷਐḿ؅ཧ͸Ͳ͏ͳͬͯΔͷʁɺɺɺͰ͸ͳ͘ɺνʔϜͷϕϩγςΟ w ҆ఆͨ͠ϕϩγςΟΛ໨ࢦ͢ w ৼΓฦΓͰ޻෉Λɺ஌ܙΛग़͠߹͏ w ɾɾɾ