Upgrade to Pro — share decks privately, control downloads, hide ads and more …

HajimetenoLT vol.17

Sponsored · Your Podcast. Everywhere. Effortlessly. Share. Educate. Inspire. Entertain. You do you. We'll handle the rest. →
Avatar for hashimoto-kei hashimoto-kei
November 22, 2025
Science
240
1

HajimetenoLT vol.17

⚡️初めてのLT会 Vol.17 に登壇した際の資料です。
https://bootcamp.fjord.jp/events/187

Avatar for hashimoto-kei

hashimoto-kei

November 22, 2025

More Decks by hashimoto-kei

See All by hashimoto-kei
AkarengaLT vol.43
Avatar for hashimoto-kei hashimoto_kei
0
97
Offline Meetup | Fukuoka Rubyist Kaigi 05 Day0
Avatar for hashimoto-kei hashimoto_kei
0
92
AkarengaLT vol.41
Avatar for hashimoto-kei hashimoto_kei
1
140
AkarengaLT vol.40
Avatar for hashimoto-kei hashimoto_kei
0
100
AkarengaLT vol.38
Avatar for hashimoto-kei hashimoto_kei
1
280
AkarengaLT vol.37
Avatar for hashimoto-kei hashimoto_kei
0
140
AkarengaLT vol.36
Avatar for hashimoto-kei hashimoto_kei
0
120
AkarengaLT vol.35
Avatar for hashimoto-kei hashimoto_kei
0
220
Boast Code Party | RubyKaigi 2025 After Event
Avatar for hashimoto-kei hashimoto_kei
2
390

Other Decks in Science

See All in Science
データベース04: SQL (1/3) 単純質問 & 集約演算
Avatar for Y. Yamamoto trycycle
PRO
0
1.5k
CVPR2026_VGGTとその仲間たち
Avatar for 小島瑞貴 mickey_0226
0
750
機械学習 - DBSCAN
Avatar for Y. Yamamoto trycycle
PRO
0
1.8k
アクシズを探せ！ 各勢力の位置関係についての考察
Avatar for Kazuki Miura miu_crescent
PRO
1
330
ITTF卓球世界ランキングのポイント比を用いた試合結果予測モデルの性能評価 / Performance evaluation of match result prediction models using the point ratio of the ITTF Table Tennis World Ranking
Avatar for konakalab konakalab
0
130
あなたに水耕栽培を愛していないとは言わせない
Avatar for Mutz mutsumix
1
340
機械学習 - 授業概要
Avatar for Y. Yamamoto trycycle
PRO
0
510
なぜエネルギーは保存する？ 〜自由落下でわかる“対称性”とネーターの定理〜
Avatar for Syota-Sasaki syotasasaki593876
0
180
東北地方における過去20年間の降水量の変化
Avatar for Forestgeo.info naokimuroki
1
240
水耕栽培：古代の知恵から宇宙農業まで
Avatar for 栽培設計室 grow_design_lab
0
130
不動産業界における業界特化のデータ整備とAI活用 ─Vertical DataとVertical AI─
Avatar for estie | エスティ estie
1
470
「遂行理論の未来」（松島斉教授最終講義記念セッションの発表資料）
Avatar for Shunya Noda shunyanoda
0
910

Featured

See All Featured
Building Better People: How to give real-time feedback that sticks.
Avatar for Will Jessup wjessup
370
20k
Technical Leadership for Architectural Decision Making
Avatar for Kenny Baas-Schwegler baasie
3
400
How STYLIGHT went responsive
Avatar for nonsquared nonsquared
100
6.2k
How to build a perfect <img>
Avatar for Jono Alderson jonoalderson
1
5.6k
Bootstrapping a Software Product
Avatar for Garrett Dimon garrettdimon
PRO
307
120k
Improving Core Web Vitals using Speculation Rules API
Avatar for Sergey Chernyshev sergeychernyshev
21
1.5k
Build The Right Thing And Hit Your Dates
Avatar for Maggie C. maggiecrowley
39
3.2k
The Hidden Cost of Media on the Web [PixelPalooza 2025]
Avatar for Tammy Everts tammyeverts
2
330
The Mindset for Success: Future Career Progression
Avatar for Greg Gifford greggifford
PRO
0
350
AI: The stuff that nobody shows you
Avatar for John Nunemaker jnunemaker
PRO
8
690
Done Done
Avatar for chrislema chrislema
186
16k
Designing Experiences People Love
Avatar for Jonathan Moore moore
143
24k

Transcript

  1. 2025/11/22 hashimoto-kei ॳΊͯͷ LT ձ Vol. 17

  2. ࣗݾ঺հ

  3. ໊લɿhashimoto-kei

  4. None

  5. ग़਎ɿ෱Ԭ

  6. झຯɿα΢φ, Podcast

  7. ޷͖ͳຊɿNand2Tetris

  8. None

  9. ࠓ೔ͷςʔϚ

  10. ৘೤Λ࣋ͬͯΔ͜ͱ

  11. 🔥

  12. ͘͠Έ.math

  13. None
  14. None

  15. ָ͠Έํ

  16. ϓϩάϥϛϯά

  17. ڝϓϩ ⏱

  18. ݴޠॲཧ ⚙

  19. ਺ֶ

  20. डݧ਺ֶ ⏱

  21. ਺ֶͷ࢓૊Έ ⚙

  22. ڝϓϩ ⏱ ݴޠॲཧ ⚙

  23. डݧ਺ֶ ⏱ ਺ֶͷ࢓૊Έ ⚙

  24. डݧ਺ֶ ⏱ ެཧओٛ ⚙

  25. डݧ਺ֶ ⏱ ެཧओٛ ⚙ 👉

  26. ༡ΜͰΈΔ

  27. 🥳

  28. ಉҰࢹ

  29. None

  30. 🤔

  31. 2 ͭ΋ཁΔʁ

  32. 1 ͭͰे෼ʂ

  33. None

  34. ্͸ূ໌ࡁΈͱ͢Δ

  35. ্͔ΒԼΛಋ͘

  36. None

  37. Լͷࣜͷࠨล

  38. ্ͷࣜΛ࢖ͬͯల։

  39. ܭࢉ͢ΔͱɺԼͷࣜͷӈลʹͳΔ

  40. 🎉

  41. ެཧओٛ

  42. None

  43. 🤔

  44. ͜Ε͸Ͳ͔͜Β ग़͖ͯͨͷʁ

  45. ެཧ

  46. ެཧͱ͸ʁ

  47. ྫ͑͹

  48. ྗֶͷݪཧ

  49. ⚙

  50. ׳ੑͷ๏ଇ

  51. ӡಈํఔࣜ

  52. ࡞༻ɾ൓࡞༻ͷ๏ଇ

  53. 3 ͚ͭͩ

  54. ͜ͷ 3 ͭΛ࢖ͬͯ ྗֶͷཧ࿦Λ࡞Δ

  55. ྫ͑͹

  56. ΤωϧΪʔอଘଇ

  57. ӡಈྔอଘଇ

  58. ͜ͷ 2 ͭ΋ ྗֶͷݪཧ͔Βಋ͔ΕΔ

  59. 1. ׳ੑͷ๏ଇ 2. ӡಈํఔࣜ 3. ࡞༻ɾ൓࡞༻ͷ๏ଇ 4. ΤωϧΪʔอଘଇ 5. ӡಈྔอଘଇ

    6. etc…

  60. 1. ׳ੑͷ๏ଇ 2. ӡಈํఔࣜ 3. ࡞༻ɾ൓࡞༻ͷ๏ଇ 4. ΤωϧΪʔอଘଇ 5. ӡಈྔอଘଇ

    6. etc… ݪཧ͸ 3 ͚ͭͩ

  61. ⚙

  62. ߴߍ਺ֶʹ΋ ͍͔ͭ͘ެཧ͕ଘࡏ͢Δ

  63. ྫ͑͹

  64. ݁߹๏ଇ ʢ࣮਺ͷ࿨ʹؔ͢Δʣ

  65. None

  66. Ͳ͔͜Β଍ͯ͠΋ OK

  67. ଍͠ࢉͷ໰୊ 23 + 1 + 9999

  68. ଍͠ࢉͷ໰୊ 23 + 1 + 9999 ͔ͬͪ͜Βઌʹܭࢉͯ͠ OK

  69. ަ׵๏ଇ ʢ࣮਺ͷੵʹؔ͢Δʣ

  70. None

  71. ֻ͚ࢉ͸ೖΕସ͑ͯ OK

  72. ֻ͚ࢉͷ۝۝ 4 * 5 = 5 *4 = 20

  73. ֻ͚ࢉͷ۝۝ 4 * 5 = 5 *4 = 20 ೖΕସ͑ͯ΋ಉ͡౴͑

  74. ࣮਺ͷ෼഑๏ଇ

  75. None

  76. ࠨ͔Βͷ෼഑๏ଇ

  77. ӈ͔Βͷ෼഑๏ଇ

  78. 1. ݁߹๏ଇʢ࣮਺ͷ࿨ʣ 2. ަ׵๏ଇʢ࣮਺ͷੵʣ 3. ෼഑๏ଇʢࠨ/ӈ͔Βͷ෼഑ʣ

  79. ͜ͷ 3 ͭͷެཧΛ࢖ͬͯ ઌ΄ͲͷࣜΛূ໌͢Δ

  80. None
  81. None

  82. 2 ৐ͷఆٛ

  83. ࠨ͔Βͷ෼഑๏ଇ

  84. ӈ͔Βͷ෼഑๏ଇ

  85. ࿨ʹؔ͢Δ݁߹๏ଇ

  86. ੵʹؔ͢Δަ׵๏ଇ

  87. None

  88. 🎉

  89. نଇੑ

  90. ౳ൺ਺ྻͷ࿨

  91. None

  92. ެࣜ

  93. None

  94. ؙ҉ه...?

  95. 😭

  96. ☝

  97. ☝

  98. ☝

  99. ఆٛࣜͰे෼

  100. ఆٛࣜͷ྆ลΛ r ഒͨ͠΋ͷΛλςʹฒ΂Δ

  101. None

  102. 1 ͭӈʹζϥͯ͠ॻ͘ͷ͕ϙΠϯτʂ

  103. ลʑΛҾ͘ͱ…

  104. ͕͜͜ফ͑Δʂ

  105. None

  106. ৚݅Λ௥Ճ

  107. None

  108. ྆ลΛ 1 -r ͰׂΔͱ…

  109. None

  110. 🎉

  111. ҰൠԽ

  112. Ҽ਺෼ղͷެࣜ

  113. None

  114. ؙ҉ه...?

  115. 😭

  116. ☝

  117. ☝

  118. ☝

  119. ҰൠԽͰ͖Δ

  120. None

  121. ઌ΄ͲͷެࣜΛ ࢖ͬͯূ໌ͯ͠ΈΔ

  122. ࠶ܝ

  123. None
  124. None

  125. ͜ͷͱ͖ɺ ࣍ͷެ͕ࣜ੒Γཱͭ

  126. None

  127. ఆٛࣜͱެ͔ࣜΒ ͕࣍੒Γཱͭ

  128. None

  129. ྆ลʹ 1 - r Λֻ͚Δͱ…

  130. None

  131. r = 1 ͷͱ͖΋ ੒Γཱͭ͜ͱʹ஫ҙʂ

  132. ͜͜Ͱ

  133. None

  134. Λ୅ೖͯ͠

  135. ྆ลʹ a^n Λֻ͚Δͱ…

  136. None

  137. a = 0 ͷͱ͖΋ ੒Γཱͭ͜ͱʹ஫ҙʂ

  138. 🎉

  139. ࢹ֮Խ

  140. ճసߦྻ

  141. None

  142. ؙ҉ه...?

  143. 😭

  144. ☝

  145. ☝

  146. ☝

  147. ਤͰे෼ 1

  148. ఺ (1, 0) ͱ఺ (0, 1) Λ θ ͚ͩճస 1

  149. 1 1

  150. ࡾ֯ؔ਺ͷఆ͔ٛΒ ͕࣍੒Γཱͭ 1

  151. None

  152. ·ͱΊͯॻ͘ͱ

  153. None

  154. Α͘ݟΔͱ୯Ґߦྻʹͳ͍ͬͯΔ

  155. 🎉

  156. ࢹ֮Խ

  157. ࡾ֯ؔ਺ͷՃ๏ఆཧ

  158. None

  159. ؙ҉ه...?

  160. 😭

  161. ☝

  162. ☝

  163. ☝

  164. ਤͰे෼

  165. 1 1

  166. ճసߦྻʹ͍ͭͯ ࣍ͷ͕ࣜ੒Γཱͭ

  167. None

  168. β ͚ͩճసͤͯ͞ɺ͞Βʹ α ͚ͩճస Ұؾʹ α + β ͚ͩճస

  169. ࠶ܝ

  170. None

  171. ͜ΕΛ࢖͏ͱɺ ࣍ͷ͕ࣜ੒Γཱͭ

  172. None

  173. ͜͜Λܭࢉ͢Ε͹ɺsin(α + β) = sin α cos β + cos

    α sin β ͕ಘΒΕΔ

  174. ͜͜Λܭࢉ͢Ε͹ɺcos(α + β) = cos α cos β - sin

    α sin β ͕ಘΒΕΔ

  175. 🎉

  176. End … ?

  177. ͍ΖΜͳָ͠Έํ

  178. ֮͑Δ͚ͩ͸ਏ͍😭

  179. ߟ͑Δͷ͸ָ͍͠🥳

  180. ͘͠Έ.math

  181. ͓ʔ͍ɺү໺ɺ ਺ֶ΍Ζ͏ͥʂ⚾

  182. ⚙ ⚾

  183. Thank you for listening!