ÔÚ¶ÔÐÐÇé½øÐм¼Êõ·ÖÎöʱ,»Æ½ð·Ö¸îÏßÓë°Ù·Ö±ÈÏßÊǽÏΪ³£ÓõÄÒ»·N·ÖÎö¹¤¾ß,ÆäÖ÷Òª×÷ÓÃÊÇÔËÓûƽð·Ö¸îºÍ°Ù·Ö±ÈÂÊÔ¤Ïȸø³ö¹ÉÖ¸»ò¸ö¹ÉµÄÖ§³Åλ»òѹÁ¦Î»,ÒÔ±ãÓÚÔÚ¿ÉÄܵÄÄ¿±êλ¸½½üÌáÇ°×öºÃ²Ù×÷ÉϵÄ×¼±¸¡£
¡¡¡¡»Æ½ð·Ö¸îÏßÓë°Ù·Ö±ÈÏߵķÖÎöÔÀí»ù±¾ÏàËÆ,Á½Õß²»Í¬Ö®´¦½öÔÚÓÚËùÒýÓõıÈÂʸ÷²»Í¬,µ«ÔÚ¶ÔͬһÐÐÇé»ò¸ö¹É½øÐзÖÎöʱ,Ëù½ÒʾµÄ¹Ø¼üÐÔµãλµÄλÖÃÈ´»ù±¾Ò»ÖÂ,Òò´ËÔÚʵ¼ÊµÄÓ¦ÓÃÖÐ,¶þÕßÊÇ¿ÉÒÔÏ໥Ìæ´úʹÓõÄ
¡£
¡¡¡¡»Æ½ð·Ö¸îÏßÊÇÀûÓûƽð·Ö¸î±ÈÂʵÄÔÀí¶ÔÐÐÇé½øÐзÖÎö,²¢ÒÀ´Ë¸ø³ö¸÷ÏàÓ¦µÄÇÐÏßλÖ᣻ƽð·Ö¸îµÄÔÀíÔ´×ÔÓÚ¸¥²¨ÄÉÆæÊýÁÐ,ÖÚËùÖÜÖªµÄ»Æ½ð·Ö¸î±ÈÂÊ0.618ÊǸ¥²¨ÄÉÆæÊýÁÐÖÐÏàÁÚÁ½¸öÊýÖµµÄ±ÈÂÊ,ͬʱ¾Ý´ËÓÖÍÆËã³ö0.191¡¢0.382¡¢0.809µÈ½ÏΪÖØÒªµÄ±ÈÂÊ¡£ÆäÖÐ,»Æ½ð·Ö¸îÖÐ×î³£ÓõıÈÂÊΪ0.382¡¢0.618,½«´ËÓ¦Óõ½¹ÉÊеÄÐÐÇéµÄ·ÖÎöÖÐ,¿ÉÒÔÀí½âΪÉÏÊö±ÈÂÊËù¶ÔӦλÖÃÒ»°ãÈÝÒײúÉú½ÏÇ¿µÄÖ§³ÅÓëѹÁ¦¡£ÔÚһ·Nм¶ÐÐÇé½áÊøºó,¹ÉÖ¸»ò¹É¼ÛµÄÇ÷ÊÆ»áÏò´ËÇ°Ïà·´µÄ·½ÏòÔ˶¯,ÕâʱÎÞÂÛÊÇÓɵøÊÆתΪÉýÊÆ»òÊÇÓÉÉýÊÆתΪµøÊÆ,¶¼¿ÉÒÔÒÔ×î½üÒ»´ÎÇ÷ÊÆÐÐÇéÖеÄÖØÒª¸ßµãºÍµÍµãÖ®¼äµÄÕǵø·ù×÷Ϊ·ÖÎöµÄÇø¼ä·¶Î§,½«ÔÕǵø·ù°´0.191¡¢0.382¡¢0.50¡¢0.618¡¢0.809»®·ÖΪ5¸ö»Æ½ð·Ö¸îµã,¹É¼ÛÔÚÐÐÇ鷴תºó½«¿ÉÄÜÔÚÕâЩ»Æ½ð·Ö¸îµãÉÏÓöµ½ÔÝʱµÄ×èÁ¦»òÖ§³Å¡£
¡¡¡¡°Ù·Ö±ÈÏßÊÇÀûÓðٷֱÈÂʵÄÔÀí½øÐеķÖÎö,¿Éʹ¹É¼ÛÇ°Ò»´ÎµÄÕǵø¹ý³Ì¸ü¼ÓÖ±¹Û¡£°Ù·Ö±ÈÏßÊǽ«ÉÏÒ»´ÎÐÐÇéÖÐÖØÒªµÄ¸ßµãºÍµÍµãÖ®¼äµÄÕǵø·ù°´1/8¡¢2/8¡¢1/3¡¢3/8¡¢4/8¡¢5/8¡¢2/3¡¢6/8¡¢7/8¡¢8/8µÄ±ÈÂÊÉú³É°Ù·Ö±ÈÏß¡£ÔÚ¸÷±ÈÂÊÖÐ,4/8×îΪÖØÒª,1/3¡¢3/8¼°5/8¡¢2/3ËÄÌõ¾àÀë½Ï½üµÄ±ÈÂÊҲʮ··NØÒª,ÍùÍùÆðµ½ÖØÒªµÄÖ§³ÅÓëѹÁ¦Î»×÷Óá£Êµ¼ÊÉÏ,ÉÏÊö5Ìõ°Ù·Ö±ÈÏßµÄλÖÃÓë»Æ½ð·Ö¸îÏßµÄλÖûù±¾ÉÏÊÇÏ໥Öغϻò½Ó½üµÄ¡£
¡¡¡¡ÔÚÓ¦Óûƽð·Ö¸îÏßÓë°Ù·Ö±ÈÏßʱÐèҪעÒâµÄÊÇ:¶ÔÓڻƽð·Ö¸îÏ߶øÑÔ,×îÖØÒªµÄÁ½ÌõÏßΪ0.382ºÍ0.618¡£ÔÚ·´µ¯ÐÐÇéÖÐ0.382λÖÃΪÈõÊƵķ´µ¯Ä¿±êλ,0.618λÖÃΪǿÊÆ·´µ¯µÄÄ¿±êλ¡£¶øÔڻص÷¹ý³ÌÖÐ,ÈôÊÇÇ¿Êƻص÷,Ôò0.382Ïß´¦Ó¦ÓнÏÇ¿µÄÖ§³Å¡£ÈôÊÇÈõÊƻص÷,0.618Ïß´¦²ÅÊÇÇ¿Ö§³Åλ¡£
¡¡¡¡ÀýÈç,ij¶ÎÐÐÇé»ØµµÖ§³Åλ¿ÉÓÃÏÂÃæµÄ¹«Ê½À´¼ÆËã:
¡¡¡¡Ä³¶ÎÐÐÇé»ØµµÖ§³Åλ£½Ä³¶ÎÐÐÇé¸ßµã-(ij¶ÎÐÐÇé¸ßµã-ij¶ÎÐÐÇé×îµÍµã)¡Â0.382(»ò0.618)¡£
¡¡¡¡¶ÔÓÚ°Ù·Ö±ÈÏ߶øÑÔ,×îÖØÒªµÄÊÇ1/2¡¢1/3¡¢3/8¡¢5/8ºÍ2/3,Õ⼸ÌõÏß¾ßÓнÏÇ¿µÄÖ§³ÅÓëѹÁ¦×÷Óᣲ»¹ý,ÓÉÓڻƽð·Ö¸îÏßÓë°Ù·Ö±ÈÏ߶¼Ã»Óп¼Âǵ½Ê±¼ä±ä»¯¶Ô¹É¼ÛµÄÓ°Ïì,Ëù½Òʾ³öÀ´µÄÖ§³ÅλÓëѹÁ¦Î»½ÏΪ¹Ì¶¨¡£Òò´Ë,Èç¹ûÖ¸Êý»ò¹É¼ÛÔÚ¶¥²¿»òµ×²¿ºáÅÌß\ÐеÄʱ¼ä¹ý³¤,ÔòÆä²Î¿¼×÷ÓÃÔòÒª´òÒ»¶¨µÄÕÛ¿Û¡£(»ªÏÄ֤ȯ)¹ÉƱ֪ʶÍø±à¼ÕûÀí
|