²é¿´: 1540  |  »Ø¸´: 7
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

ºÚÓ´

Í­³æ (³õÈëÎÄ̳)

[½»Á÷] ¡¾ÇóÖú¡¿¹ØÓÚ°éËæ¾ØÕóµÄÖ¤Ã÷¡¾Òѽâ¾ö¡¿ ÒÑÓÐ4È˲ÎÓë

Éèn½×¾ØÕóAµÄ°éËæÕóΪA*£¬Ö¤Ã÷£º
     (1)Èô|A|=0,Ôò|A*|=0
         (2)|A*|=|A|^£¨n-1£©

[ Last edited by javeey on 2010-5-5 at 11:31 ]
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

ŬÁ¦
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

javeey

ÈÙÓþ°æÖ÷ (Ö°Òµ×÷¼Ò)

Á¦°ÎɽÙâÆø¸ÇÊÀ

ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷

¡ï ¡ï
bluesine(½ð±Ò+2):¶÷£¬Õâ¸öºÜºÃ¡£½±ÀøÒ»Ï 2010-05-05 07:52:50
ÒýÓûØÌû:
Originally posted by ºÚÓ´ at 2010-05-04 16:48:02:
ºÇºÇ£¬±¾ÈËÊdzõѧÕß
£¬¡°ÔÚµÈʽAA*=|A|EÁ½±ßͬÓÒ³ËA*µÄÄæ¾ÙÖ¤¼´µÃA=Áã¾ØÕó¡±
¶ÔÕâ¾ä»°²»¶®£¬Ï£ÍûÄܽâÊÍÒ»ÏÂ
ллඣ¡

Ó¦¸ÃÊÇÄæ¾ØÕó£¬ÒÑÔÚÔ­Ìû¸ÄÕý¡£

AA*(A*)^{-1}=|A|E(A*)^{-1}
ÒòΪ¼ÙÉèÊÇ|A|=0£¬0³ËÒÔÈκξØÕó¶¼Îª0¾ØÕó£¬ËùÒÔÉÏÊöµÈʽÓÒ±ßΪ0¾ØÕó
×ó±ßAA*(A*)^{-1}£¬¿É½«A*(A*)^{-1}½áºÏ¼´µÃ×ó±ßΪA
ËùÒÔ A=0¾ØÕó¡£

[ Last edited by javeey on 2010-5-4 at 19:28 ]
ÔçÆðµÄÄñ¶ùÓгæ³Ô£¬ÔçÆðµÄ³æ¶ù±»Äñ³Ô
7Â¥2010-05-04 19:21:16
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 8 ¸ö»Ø´ð

СÓêÃÈÃÈ

Í­³æ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷


¡ï
javeey(½ð±Ò+1):ллӦÖú 2010-05-02 22:19
ºÚÓ´(½ð±Ò+1): 2010-05-03 21:46
ºÚÓ´(½ð±Ò+1): 2010-05-04 16:36:37
bluesine:СÓê°ÑµÚÒ»¸öÒ²Ö¤Ã÷һϣº£© 2010-05-04 17:09:15
½öÖ¤µÚ¶þ¸öÎÊÌâ¡£AA*=|A|E£¬ÓÐ|A|)|A*|=|A|^n£¬A¿ÉÄæÔòµÃÖ¤¡£ÈôA²»¿ÉÄæ£¬Ôò)|A|=0¡£ÈôA=0£¬ÔòA*=0,ÈôA²»µÈÓÚ0£¬ÓÉÖÈ(A)+ÖÈ(A*)<=n,ÓÐÖÈ(A*)
2Â¥2010-05-02 21:31:42
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

javeey

ÈÙÓþ°æÖ÷ (Ö°Òµ×÷¼Ò)

Á¦°ÎɽÙâÆø¸ÇÊÀ

ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷

¡ï
СÓêÃÈÃÈ(½ð±Ò+1):лл½â´ð¡£±±´ó°æµÄ¾­µä¸ßµÈ´úÊýÉϼ¸ºõÊÇͬʱ½²µÄŶ¡£ 2010-05-03 09:26
ºÚÓ´(½ð±Ò+2): 2010-05-03 21:47
ÎÒÒ²À´Ö¤Ò»Ï£¬Óë2Â¥²»Í¬µÄÊÇ£¬ÎÒµÄÖ¤Ã÷²»Óõ½¾ØÕóµÄÖÈ¡£Ò»°ã½Ì²Ä½²µ½°éËæ¾ØÕóµÄʱºò£¬ÖÈ»¹Ã»½²µ½¡£
µÚ¶þµÀÖ¤Ã÷£º
ÓÉAA*=|A|EÖª£¬|A||A*|=|A|^n.
(1) µ±|A|²»µÈÓÚ0ʱ£¬ÏÔÈ»ÉÏʽÁ½±ßͬ³ýÒÔ|A|¼´µÃ
(2) µ±|A|=0ʱ£¬²ÉÓ÷´Ö¤·¨¡£¼ÙÉè|A*|²»µÈÓÚ0£¬ÔòA*ÊÇ¿ÉÄæ¾ØÕó¡£ÔÚµÈʽAA*=|A|EÁ½±ßͬÓÒ³ËA*µÄÄæ¾ØÕó¼´µÃA=Áã¾ØÕó¡£Áã¾ØÕóµÄ°éËæ¾ØÕóµ±È»ÎªÁ㣬¼´A*ΪÁã¾ØÕó£¬Óë|A*|²»µÈÓÚ0ì¶Ü¡£
µÚÒ»µÀÖ¤Ã÷ÖÐÈ¡µÚ¶þµÀÖ¤Ã÷Ö®ºóÁî|A|=0¼´¿É¡£

¶àлbluesine °æÖ÷Ö¸³ö±ÊÎ󲿷֣¬ÒѸÄÕý¡£

[ Last edited by javeey on 2010-5-4 at 19:22 ]
ÔçÆðµÄÄñ¶ùÓгæ³Ô£¬ÔçÆðµÄ³æ¶ù±»Äñ³Ô
3Â¥2010-05-02 22:19:15
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ºÚÓ´

Í­³æ (³õÈëÎÄ̳)

ºÇºÇ£¬±¾ÈËÊdzõѧÕß
£¬¡°ÔÚµÈʽAA*=|A|EÁ½±ßͬÓÒ³ËA*µÄÄæ¾ÙÖ¤¼´µÃA=Áã¾ØÕó¡±
¶ÔÕâ¾ä»°²»¶®£¬Ï£ÍûÄܽâÊÍÒ»ÏÂ
ллඣ¡
ŬÁ¦
4Â¥2010-05-04 16:48:02
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ÉúÎïѧ071000 329·ÖÇóµ÷¼Á +4 ÎÒ°®ÉúÎïÉúÎﰮΠ2026-03-17 4/200 2026-03-22 08:34 by hxsm
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÖпƼ¼´óѧ071000£¬Çóµ÷¼Á +4 ÑØ°¶Óб´¿Ç6 2026-03-21 4/200 2026-03-22 07:21 by ilovexiaobin
[¿¼ÑÐ] 286Çóµ÷¼Á +10 Faune 2026-03-21 10/500 2026-03-21 23:34 by 314126402
[¿¼ÑÐ] 326Çóµ÷¼Á +5 ŵ±´¶û»¯Ñ§½±êéê 2026-03-15 8/400 2026-03-21 19:33 by ColorlessPI
[¿¼ÑÐ] ²ÄÁÏѧ˶333Çóµ÷¼Á +3 ±±µÀÏï 2026-03-18 3/150 2026-03-21 18:17 by ѧԱ8dgXkO
[¿¼ÑÐ] 0805²ÄÁÏ320Çóµ÷¼Á +3 ÉÎïÓï 2026-03-20 3/150 2026-03-21 15:46 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 265Çóµ÷¼Á +12 ÁºÁºÐ£Ð£ 2026-03-19 14/700 2026-03-21 13:38 by lature00
[¿¼ÑÐ] ÄÜÔ´²ÄÁÏ»¯Ñ§¿ÎÌâ×éÕÐÊÕ˶ʿÑо¿Éú8-10Ãû +5 ÍÑÓ±¶ø³ö 2026-03-16 15/750 2026-03-21 10:16 by ÍÑÓ±¶ø³ö
[¿¼ÑÐ] Äϲý´óѧ²ÄÁÏר˶311·ÖÇóµ÷¼Á +6 77chaselx 2026-03-20 6/300 2026-03-21 07:24 by JourneyLucky
[¿¼ÑÐ] 070300»¯Ñ§319Çóµ÷¼Á +7 ½õÀð0909 2026-03-17 7/350 2026-03-21 03:46 by JourneyLucky
[¿¼ÑÐ] 307Çóµ÷¼Á +10 ÀäóÏ123 2026-03-17 10/500 2026-03-21 01:54 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄϾ©Àí¹¤´óѧ085701×ÊÔ´Óë»·¾³302·ÖÇóµ÷¼Á +4 ¿ûè÷ÎÀ¶Ó 2026-03-18 6/300 2026-03-20 23:02 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸Î人Àí¹¤²ÄÁϹ¤³Ìר˶µ÷¼Á +9 Doleres 2026-03-19 9/450 2026-03-20 22:36 by JourneyLucky
[¿¼ÑÐ] 288Çóµ÷¼Á +16 ÓÚº£º£º£º£ 2026-03-19 16/800 2026-03-20 22:28 by JourneyLucky
[¿¼ÑÐ] ҩѧ383 Çóµ÷¼Á +3 ҩѧchy 2026-03-15 5/250 2026-03-20 22:11 by ÔÆÓÎÖØÑô
[¿¼ÑÐ] 295¸´ÊÔµ÷¼Á +8 ¼òľChuFront 2026-03-19 8/400 2026-03-20 20:44 by zhukairuo
[¿¼ÑÐ] 261ÇóBÇøµ÷¼Á£¬¿ÆÑо­Àú·á¸» +3 Å£Ä̺Üæ 2026-03-20 4/200 2026-03-20 19:34 by JourneyLucky
[¿¼ÑÐ] ¹¤¿Æ²ÄÁÏ085601 279Çóµ÷¼Á +7 À§ÓÚÐdz¿ 2026-03-17 9/450 2026-03-20 17:38 by ÎÞи¿É»÷111
[¿¼ÑÐ] ¡¾Í¬¼ÃÈí¼þ¡¿Èí¼þ£¨085405£©¿¼ÑÐÇóµ÷¼Á +3 2026eternal 2026-03-18 3/150 2026-03-18 19:09 by ²«»÷518
[¿¼ÑÐ] 312Çóµ÷¼Á +8 İå·Ï£ 2026-03-16 9/450 2026-03-18 12:39 by Linda Hu
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û