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HajimetenoLT vol.17

Avatar for hashimoto-kei hashimoto-kei
November 22, 2025
Science
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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

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hashimoto-kei

November 22, 2025
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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!