ÌâÄ¿ÄÚÈÝ

¡¾ÌâÄ¿¡¿¶ÔÓÚÊýÁУ¬Èô´æÔÚ³£ÊýM>0£¬¶ÔÈÎÒâµÄn¡ÊN*£¬ºãÓУ¬Ôò³ÆÊýÁÐΪB-ÊýÁÐ.

(1)Ê×ÏîΪ1£¬¹«±Èq()µÄµÈ±ÈÊýÁÐÊÇ·ñΪB-ÊýÁУ¿Çë˵Ã÷ÀíÓÉ£»

(2)ÉèSnÊÇÊýÁÐ{xn}µÄÇ°nÏîºÍ£¬¸ø³öÏÂÁÐÁ½×éÂ۶ϣº

A×飺¢ÙÊýÁÐ{xn}ÊÇB-ÊýÁУ¬¢ÚÊýÁÐ{xn}²»ÊÇB-ÊýÁÐ

B×飺¢ÙÊýÁÐ{Sn}ÊÇB-ÊýÁУ¬¢ÚÊýÁÐ{Sn}²»ÊÇB-ÊýÁÐ

ÇëÒÔÆäÖÐÒ»×éµÄÒ»¸öÂÛ¶ÏΪÌõ¼þ£¬ÁíÒ»×éµÄÒ»¸öÂÛ¶ÏΪ½áÂÛ×é³ÉÒ»¸öÃüÌâ.ÅжÏËù¸øÃüÌâµÄÕæ¼Ù£¬²¢Ö¤Ã÷ÄãµÄ½áÂÛ.

(3)ÈôÊýÁÐ{an}¡¢¶¼ÊÇB-ÊýÁУ¬Ö¤Ã÷£ºÊýÁÐ{anbn}Ò²ÊÇB-ÊýÁÐ

¡¾´ð°¸¡¿£¨1£©ÊÇB-ÊýÁУ¨2£©ÃüÌâ1Ϊ¼ÙÃüÌâ. ÃüÌâ2ΪÕæÃüÌâ.£¨3£©¼û½âÎö

¡¾½âÎö¡¿

½â£º(1)ÉèÂú×ãÌõ¼þµÄµÈ±ÈÊýÁÐΪ{an}£¬Ôò.ÓÚÊÇ

Òò´Ë£¬

ÒòΪ|q|<1£¬ËùÒÔ

¼´

¹ÊÊ×ÏîΪ1£¬¹«±Èq(|q|<1)µÄµÈ±ÈÊýÁÐÊÇB-ÊýÁÐ.

(2)ÃüÌâ1£ºÈôÊýÁÐ{xn}ÊÇB-ÊýÁУ¬ÔòÊýÁÐ{Sn}Ò²ÊÇB-ÊýÁдËÃüÌâΪ¼ÙÃüÌâ.

ÊÂʵÉÏ£¬Éèx=1£¬n¡ÊN*£¬Ò×ÖªÊýÁÐ{xn}ÊÇB-ÊýÁУ¬µ«Sn=n£¬

´Ëʱ.

ÓÉnµÄÈÎÒâÐÔ£¬ÖªÊýÁÐ{Sn}²»ÊÇB-ÊýÁÐ

ÃüÌâ2£ºÈôÊýÁÐ{Sn}ÊÇB-ÊýÁУ¬ÔòÊýÁÐ{xn}Ò²ÊÇB-ÊýÁдËÃüÌâΪÕæÃüÌâ.

ÊÂʵÉÏ£¬ÒòΪÊýÁÐ{Sn}ÊÇB-ÊýÁУ¬ËùÒÔ´æÕýÊýM£¬¶ÔÈÎÒân¡ÊN*ÓÐ

¼´.ÓÚÊÇ

ËùÒÔÊýÁÐ{xn}ÊÇB-ÊýÁÐ

°´ÌâÖÐÒªÇó×é³ÉÆäËüÃüÌâʱ£¬·ÂÉÏÊö½â·¨¼´¿É»ñµÃ½â¾ö.

(3)ÈôÊýÁÐ{an}¡¢{bn}¶¼ÊÇB-ÊýÁУ¬Ôò´æÔÚÕýÊýM1£¬M2£¬Ê¹µÃ¶ÔÈÎÒân¡ÊN*£¬ÓÐ

£¬

.

×¢Òâµ½

ͬÀí£¬¿ÉµÃ.¼Ç£¬ÔòÓÐ

Òò´Ë£¬ .

¹ÊÊýÁÐÊýÁÐ{anbn}ÊÇB-ÊýÁÐ.

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø