Go deeper into fascinating topics with original video series from TED
æ¦è¦ ãªãã«ã®æ³å 詳細 ãªã¼ã³ã½ããã¦ã§ã¢éçºã§ã¯é¡§å®¢æºè¶³ãé«ããããã«ç´ æ©ãéçºãè¡ãå¿ è¦ãããã ããã§ãªãã«ã®æ³åãå©ç¨ãã¦ãéçºãæ¹åããã ãªãã«ã®æ³åã¨ã¯å¾ ã¡è¡åçè«ã«ãã㦠ã»é·æéå¹³ååãã顧客æ°L ã»é·æéå¹³ååããå°ççλ ã»é·æéå¹³ååãã顧客ãç³»ã«è²»ããæé W ã¨ããå ´åã L= λWã¨ããæ³åããã ãããã·ã¹ãã éçºã«ç½®ãæãããªãã° å¹³åè¦ä»¶é = è¦ä»¶ã®å°çç à è¦ä»¶ã®æ¶åã«è²»ããæé 1ã¶æã«20件ã®è¦ä»¶ãçºçãããã¼ã ã¯1件ãããã®éçºã«1é±éï¼ï¼5å¶æ¥æ¥ï¼ãããã¨ãã¾ãã ãã®å ´åã20 à 5 = 100(æ¥)ãå¹³åè¦ä»¶éã¨ãªãã¾ãã ããã§ã以ä¸ã®æ§ãªå¯¾å¿ããã¾ãã ã»ä½æ¥ãå¹³æºåããã ã»è¦ä»¶ãçµãï¼ï¼æ¬å½ã«éè¦ãªæ©è½ã®ã¿ãè¦ä»¶ãªã¹ãã«è¿½å ãã ã»1å®æéã«åãä»ããè¦ä»¶ã®æ°ãæãã ã»åè¦ä»¶ã®ãµã¤ãºãæå°åãã ã»ãã«åã¹ã±ã¸ã¥ã¼ãªã³ã°
人æ°åºãéåå°ã«ä»ããã®ãªã®ãå¾ ã¡è¡åãã§ããã°å¾ ããã«æ¸ã¾ãããããããã¦èªåã®çªãä½åå¾ãç¥ããã°ã¤ã©ã¤ã©ãæ¸ãã ããã è¡åã®å¾ ã¡æéã¯ãåã«å ãã人æ°ã¨1人ã«ãããæéã§å²ãåºããããããæå¤ã¨ç°¡åã«è¨ç®ã§ãããã¡ãã£ã¨è¤éãªå¼ã«ãã£ã¬ã³ã¸ããã°ãå¾ ããã«åº§ãã確çãè¨ç®ã§ããã®ã ã ãã·ã£ã³ã¯ãã¤ãã¯çç©ã ã£ã¦ç¥ã£ã¦ãï¼ã人éã®10åã®è²å½©è½åããæé80kmã®ãã³ããã å大ã§ãªãã«ãªæ³å è¡åã®å¾ ã¡æéãæ±ããè¨ç®ã¯ãå¾ ã¡è¡åçè«ãã¨å¼ã°ããç«æ´¾ãªå¦åã¨ãã¦ç 究ããã¦ããããã£ã¨ãåãããããã®ããªãã«ã®æ³åã§ãLï¼Î»ÃWã®ãã£ã3ã¤ã®è¦ç´ ã§è¡¨ããããããããã®è¨å·ã¯ã ã»Lãâ¦ãåºä¸ã®å®¢æ°ï¼äººï¼ ã»Î»ãâ¦ãå ¥åºãã人ã®å²åï¼äºº/æéï¼ ã»Wãâ¦ãåºå ã§éããæéï¼æéï¼ ã表ããã¬ã¹ãã©ã³ãä¾ã«ããã¨ã1æéã«10人ãåºã«å ¥ããåºå ã§éããæéã2æéã ã£ãå ´åãåºå ã§é£äº
ãªãã«ã®æ³å (ãªãã«ã®ã»ããããè±:Little's law) ãããã¯ãªãã«ã®å®ç (ãªãã«ã®ã¦ãããLittle's theorem) ã¨ã¯ãå¾ ã¡è¡åçè«ã«ãã㦠å®å®ãªç³»ã«ããã¦é·æéå¹³ååããé¡§å®¢æ° L (ä¸ããããè² è·ãoffered load)ã¯ãé·æéå¹³ååããå°ççλã¨ãé·æéå¹³ååãã顧客ãç³»ã«è²»ããæé W ã®ç©ã«çãããããªãã¡ ã¨ããæ³åã§ããã æ¬æ³åã¯ç´æçã«ã¯çã«ããªã£ããã®ã§ãããã対象ãã©ã®ãããªç¢ºçåå¸ã§ãã£ã¦ããã®æ¯ãèããããã¨ããç¹ã¨ãå°çãã顧客ããµã¼ãã¹ãã顧客ã«åºã¥ãã¦ã©ã®ããã«ã¹ã±ã¸ã¥ã¼ã«ãããã«ã¤ãã¦ä½ã®ä»®å®ãè¨ããªãç¹ã¯ç¹çãã¹ãã§ããã æåã®è¨¼æã¯1961å¹´[訳èªçåç¹]ã«å½æã±ã¼ã¹ã»ã¦ã§ã¹ã¿ã³ã»ãªã¶ã¼ã大å¦ã«ããã¸ã§ã³ã»ãªãã«ï¼John Littleï¼ã«ãã£ã¦çºè¡¨ãããããã®æ³åã¯ãããªãã·ã¹ãã ã«ãé©ç¨ã§ããã¾ãç¹ã«ã·ã¹ãã å
ãã®è¨äºã«ã¯åèæç®ãå¤é¨ãªã³ã¯ã®ä¸è¦§ãå«ã¾ãã¦ãã¾ãããè注ã«ããåç §ãä¸ååã§ãããããæ å ±æºãä¾ç¶ä¸æ確ã§ãã é©åãªä½ç½®ã«è注ã追å ãã¦ãè¨äºã®ä¿¡é ¼æ§åä¸ã«ãååãã ãããï¼2022å¹´12æï¼ åªå°ä½ï¼ã¹ããããããè±: modular exponentiationï¼ã¨ã¯ãåªä¹ã®å°ä½ã®ãã¨ã§ãããæ°è«çã«éè¦ãªæ¦å¿µã§ããã¨ã¨ãã«ãè¨ç®æ©ç§å¦ãç¹ã«æå·çè«ã®åéã§ã®å¿ç¨ãéè¦ã§ãããåªä¹å°ä½ã¨ãå¼ã°ããã æ£ã®æ´æ° bï¼åºï¼ã®æ´æ° e ä¹ï¼åªææ°ï¼ãæ£ã®æ´æ° mï¼æ³ï¼ã§å²ã£ãä½ããããm ãæ³ã¨ãã b ã® e-åªå°ä½ãã¨å¼ã¶ãã¤ã¾ããåªå°ä½ãæ±ããã¨ã¯ã次㮠c ãè¨ç®ãããã¨ã«ã»ããªããªãã ä¾ãã°ãb = 5ãe = 3ãm = 13 ã®å ´åãc 㯠53 ã 13 ã§å²ã£ãä½ãã§ãããåªå°ä½ã¯ 8 ã¨ãªãã åªææ° e = 2, 3 ã«å¯¾ãã e-åªå°ä½ã¯ãé常ããããå¹³æ¹å°
è±èªçè¨äºãæ¥æ¬èªã¸æ©æ¢°ç¿»è¨³ãããã¼ã¸ã§ã³ï¼Google翻訳ï¼ã ä¸ãä¸ç¿»è¨³ã®æãããã¨ãã¦æ©æ¢°ç¿»è¨³ãç¨ããå ´åã翻訳è ã¯å¿ ã翻訳å åæãåç §ãã¦æ©æ¢°ç¿»è¨³ã®èª¤ããè¨æ£ããæ£ç¢ºãªç¿»è¨³ã«ããªããã°ãªãã¾ããããããæããã¦ããªãå ´åãè¨äºã¯åé¤ã®æ¹éG-3ã«åºã¥ããåé¤ãããå¯è½æ§ãããã¾ãã ä¿¡é ¼æ§ãä½ãã¾ãã¯ä½å質ãªæç« ã翻訳ããªãã§ãã ãããããå¯è½ãªãã°ãæç« ãä»è¨èªçè¨äºã«ç¤ºãããæç®ã§æ£ãããã©ããã確èªãã¦ãã ããã å±¥æ´ç¶æ¿ãè¡ããããè¦ç´æ¬ã«ç¿»è¨³å ã¨ãªã£ãè¨äºã®ãã¼ã¸åã»çã«ã¤ãã¦è¨è¿°ããå¿ è¦ãããã¾ããè¨è¿°æ¹æ³ã«ã¤ãã¦ã¯ãWikipedia:翻訳ã®ã¬ã¤ãã©ã¤ã³#è¦ç´æ¬ã¸ã®è¨å ¥ãåç §ãã ããã 翻訳å¾ã{{翻訳åç¥|en|Partial fraction decomposition|â¦}}ããã¼ãã«è¿½å ãããã¨ãã§ãã¾ãã Wikipedia:翻訳ã®ã¬ã¤ãã©ã¤ã³ã«ããã詳細ãª
è¨ç®è¤éæ§ã®è©±ã®ä¸ã§ãPãNPãNPå®å ¨ãNPå°é£ã¨ãããã¼ã¯ã¼ããç»å ´ããã ããããã®éãããåé¢ã ãããå¤æããã®ã¯ãå°ãç¡çããã ããã§ã詳ãã説æã Wikipedia ã«æ±ããã¨ã»ã»ã»ã ã»Pï¼Wikipedaiï¼ ã»NPï¼Wikipedaiï¼ ã»NPå®å ¨ï¼Wikipedaiï¼ ã»NPå°é£ï¼Wikipedaiï¼ å¤§å¦ãªã©ã§æ£ç¢ºãªå®ç¾©ãå¦ç¿ãã¦ããªãå ´åã«ã¯ã軽ã絶æãããã¨ã«ãªãã ããã§ãå³å¯ã§ã¯ãªããã¨ããããããæã£ãããã§ãããããç°¡åã«èª¬æãã¦ã¿ãã ï¼è¨¼æããã¦ããªãããåæã¨ãã¦NPâ P ã¨ãããããã証æã§ããã100ä¸ãã«ãããããï¼ ã¾ããããããã®é¢ä¿ã¯ä¸å³ã®ããã«è¡¨ããã¨ãã§ããã å³ã§ã¯ãä¸ã®ãã®ã»ã©é£ããåé¡ã§ãPâ¦NPâ¦NPå®å ¨â¦NPå°é£ãã¨è¨ããã¨ãã§ããã ããã«æ¬¡ã®ãã¨ãè¨ããã ã» P ã¯ç¾å®çãªæéã§è§£ãæ±ãããã¨ãã§ããåé¡ã ã» N
ãµã¼ãã¹çµäºã®ãç¥ãã NAVERã¾ã¨ãã¯2020å¹´9æ30æ¥ããã¡ã¾ãã¦ãµã¼ãã¹çµäºãããã¾ããã ç´11å¹´éãNAVERã¾ã¨ãããå©ç¨ã»ãæ顧ããã ãèª ã«ãããã¨ããããã¾ããã
ï¼ã¤ã®ãã¼ã¿ãä¼¼ã¦ãã度åããï¼é¡ä¼¼åº¦ã®å¤§ãããè·é¢ã®è¿ãã¨ãã£ãæ°å¤ã«ãã¦ãããããã¨ã§ï¼ã¯ã©ã¹ã¿åæãï¼k-è¿åæ³ï¼å¤æ¬¡å 尺度æ§ææ³(MDS)ãã¯ããã¨ãããããããªåæãè¡ããã¨ãå¯è½ã¨ãªãï¼ ããã§ã¯ï¼ããç¥ããã¦ããé¡ä¼¼åº¦ãè·é¢ã«ã¤ãã¦è¿°ã¹ãï¼ é¡ä¼¼åº¦ã¨ããæ¦å¿µã¯ï¼ï¼ã¤ã®éåã®è¦ç´ ãã¾ãã«ã©ãã ãä¼¼ã¦ããããæ°éåãããã®ã§ããï¼è·é¢ã¨ã¯ï¼è¦ç´ å士ã®é¢ãå ·åï¼å¾ã£ã¦éé¡ä¼¼åº¦ã¨ã¡ããæ¦å¿µã¨èãã¦ãããï¼ åèã¾ã§ã«æ°å¦ã«ãããè·é¢ã®æ¦å¿µã®å®ç¾©ã示ãã¨ï¼ è·é¢ç©ºéã®å®ç¾© Sãï¼ã¤ã®ç©ºã§ãªãéåã¨ãï¼dãSã§å®ç¾©ããã2å¤æ°ã®å®æ°å¤é¢æ° d(SxS)ãâãR ãï¼ä»¥ä¸ã®ï¼æ¡ä»¶ï¼è·é¢ã®å ¬çï¼ D1 ï¼ ï¼éè² æ§ï¼ãä»»æã®x,yâSã«å¯¾ã㦠d(x,y)â§0ï¼ D2 ï¼ ï¼ééåæ§ï¼ãx,yâSã«å¯¾ã d(x,y)=0 ãâãx=yï¼ D3 ï¼ ï¼å¯¾ç§°æ§ï¼ãä»»æã®x,yâSã«å¯¾ã㦠d(x
ã©ã³ãã³ã°
ã©ã³ãã³ã°
ã©ã³ãã³ã°
ãªãªã¼ã¹ãé害æ å ±ãªã©ã®ãµã¼ãã¹ã®ãç¥ãã
ææ°ã®äººæ°ã¨ã³ããªã¼ã®é ä¿¡
å¦çãå®è¡ä¸ã§ã
j次ã®ããã¯ãã¼ã¯
kåã®ããã¯ãã¼ã¯
lãã¨ã§èªã
eã³ã¡ã³ãä¸è¦§ãéã
oãã¼ã¸ãéã
{{#tags}}- {{label}}
{{/tags}}