±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 853  |  »Ø¸´: 4

majunchi20

Òø³æ (СÓÐÃûÆø)

[ÇóÖú] ·ÇÏßÐÔ·½³Ì×éÎÊÌâ

·ÇÆë´ÎÏßÐÔ·½³Ì×éAx=bÖУ¬AÊÇ·½Õó£¬bÊÇÁÐÏòÁ¿¡£
ÈôAµÄÐÐÁÐʽΪ0£¬AµÄתÖõĺËÓëbÕý½»£¬Ôò·½³Ì×éÓн⣬ÇҺ˵ÄάÊý=ÈÎÒâϵÊýµÄ¸öÊý¡£
ÈôAµÄÐÐÁÐʽΪ0£¬AµÄתÖõĺËÓëb²»Õý½»£¬Ôò·½³Ì×éÎ޽⡣

ÉÏÃæµÄÄÚÈݲ»Ì«Àí½â£¬ÇëÖªµÀµÄ¸ßÊÖÖ¸µ¼¡£
»Ø¸´´ËÂ¥
ÌìµÀ³êÇÚ¡£
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÇïÓê·ÉÒ¶

ľ³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
Ax=b Óн⣬µ±Çнöµ±Á½±ßͬʱ×ó³ËÒ»¸ö¿ÉÄæ¾ØÕóÖ®ºóÓн⡣Òò´Ë¿ÉÒÔ¼Ù¶¨AÊÇÒ»¸öÉÏÈý½Ç¾ØÕóÇÒµ± 1=rank (A) ʱ a_{ii}=0¡£Õâ¸öʱºòÄã»á¿´µ½£¬Èç¹û·½³Ì×éÓн⣬ÄÇôbµÄºó n-rank(A) µÄÐÐÏòÁ¿±ØÐëΪ0,ÕâÀï¼ÙÉèAÊÇ n*n ·½Õó¡£½âA^Ty=0, Äã»á·¢ÏÖyµÄǰ rank(A) ¸öÐÐÏòÁ¿Îª0¡£ÕâÑùÈç¹ûAx=b Óн⣬µ±Çнöµ± y^Tb=0 ¶ÔÓÚËùÓеÄyÂú×ã·½³ÆA^Ty=0. ÕâÀï^TΪ¾ØÕóµÄתÖá£

¾Ù¸öÀý×Ó£¬Éè A Ϊһ¸ö 2*2¾ØÕó£¬ÇÒµÚÒ»ÐзÇÁ㣬µÚ¶þÐÐΪÁ㣬ÕâʱºòÄã¿ÉÒÔÇå³þµÄÑéÖ¤ÉÏÃæµÄ½áÂÛ¡£
2Â¥2012-10-31 14:08:39
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

majunchi20

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by ÇïÓê·ÉÒ¶ at 2012-10-31 14:08:39
Ax=b Óн⣬µ±Çнöµ±Á½±ßͬʱ×ó³ËÒ»¸ö¿ÉÄæ¾ØÕóÖ®ºóÓн⡣Òò´Ë¿ÉÒÔ¼Ù¶¨AÊÇÒ»¸öÉÏÈý½Ç¾ØÕóÇÒµ± 1=<i=< rank(A)ÊÇ a_{ii£ý²»µÈÓÚ0£¬µ±i>rank (A) ʱ a_{ii}=0¡£Õâ¸öʱºòÄã»á¿´µ½£¬Èç¹û·½³Ì×éÓн⣬ÄÇôbµÄºó  ...

·Ç³£¸ÐлÄãµÄ»Ø¸´£¬µ«ÊÇÓиöµØ·½ÎÒ»¹ÊÇû̫Ã÷°×£¬¡°½âA^Ty=0, Äã»á·¢ÏÖyµÄǰ rank(A) ¸öÐÐÏòÁ¿Îª0¡£ÕâÑùÈç¹ûAx=b Óн⣬µ±Çнöµ± y^Tb=0 ¶ÔÓÚËùÓеÄyÂú×ã·½³ÆA^Ty=0.¡± ÄÜ·ñÔٶིһÏ£¬¶àл¶àл¡£
ÌìµÀ³êÇÚ¡£
3Â¥2012-11-03 09:03:02
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÇïÓê·ÉÒ¶

ľ³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï
majunchi20: ½ð±Ò+5, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2012-11-04 09:25:44
AΪÉÏÈý½Ç£¬ A^T ΪÏÂÈý½Ç£¬Äã°Ñ¾ØÕóдһϾͿ´µ½ÁË¡£È¡¸ö2*2µÄÉÏÈý½Ç¾ØÕóÊÔÊÔ¡£
4Â¥2012-11-03 09:54:50
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

majunchi20

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
4Â¥: Originally posted by ÇïÓê·ÉÒ¶ at 2012-11-03 09:54:50
AΪÉÏÈý½Ç£¬ A^T ΪÏÂÈý½Ç£¬Äã°Ñ¾ØÕóдһϾͿ´µ½ÁË¡£È¡¸ö2*2µÄÉÏÈý½Ç¾ØÕóÊÔÊÔ¡£

Ã÷°×ÁË£¬¶àл¶àл¡£
ÌìµÀ³êÇÚ¡£
5Â¥2012-11-04 09:25:26
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ majunchi20 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 304Çóµ÷¼Á +7 c297914 2026-04-05 8/400 2026-04-05 22:13 by hemengdong
[¿¼ÑÐ] 315Çóµ÷¼Á +5 £¦123456789 2026-04-05 5/250 2026-04-05 19:55 by nepu_uu
[¿¼ÑÐ] 277Çóµ÷¼Á +5 ¿¼Ñе÷¼Álxh 2026-04-05 5/250 2026-04-05 19:03 by chy09050039
[¿¼ÑÐ] Ò»Ö¾Ô¸½­ÄÏ´óѧ085501»úе¹¤³Ìר˶326·Ö£¬±¾¿Æ¼Ñľ˹´óѧ +5 ¹ËÈô¸¡Éú 2026-04-03 9/450 2026-04-05 09:57 by 1753564080
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +15 Ò»ÑùYWY 2026-04-01 15/750 2026-04-04 22:23 by hemengdong
[¿¼ÑÐ] 342Çóµ÷¼Á +3 Liang7111 2026-04-04 5/250 2026-04-04 19:47 by dongzh2009
[¿¼ÑÐ] Çóµ÷¼Á +3 ũҵ¹¤³ÌÓëÐÅÏ¢¼ 2026-04-04 3/150 2026-04-04 12:19 by Éá¶øºóµÃ
[¿¼ÑÐ] 320Çóµ÷¼Á +5 Õñ¡ªTZ 2026-04-02 5/250 2026-04-03 14:42 by fxue1114
[¿¼ÑÐ] ÍÁľˮÀû328·ÖÇóµ÷¼Á +6 ¼²·çÖª¾¢²Ý666 2026-04-02 6/300 2026-04-03 11:38 by znian
[¿¼ÑÐ] һ־Ըɽ¶«´óѧ»¯Ñ§Ó뻯¹¤Ñ§Ôº²ÄÁÏÓ뻯¹¤×¨Ë¶£¬360·ÖÇóµ÷¼Á +4 ²»Ô¸Í¸Â¶ÐÕÃûµÄË 2026-04-02 4/200 2026-04-03 09:29 by ÒÅÍüÏûʧµÄž™
[¿¼ÑÐ] 085600£¬320·ÖÇóµ÷¼Á +6 ´ó²öС×Ó 2026-04-02 6/300 2026-04-02 21:54 by dongzh2009
[¿¼ÑÐ] Çóµ÷¼Á +7 Aniyaio 2026-04-02 7/350 2026-04-02 16:42 by zzsw+
[¿¼ÑÐ] 298ÇóBÇøµ÷¼Á +4 zzz£¬£¬r 2026-04-02 5/250 2026-04-02 12:17 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] Ò»Ö¾Ô¸±±¾©¿Æ¼¼´óѧ085601²ÄÁϹ¤³ÌÓ¢Ò»Êý¶þ³õÊÔ×Ü·Ö335Çóµ÷¼Á +9 Ë«ÂíβƦÀϰå2 2026-04-01 9/450 2026-04-02 12:14 by oooqiao
[¿¼ÑÐ] Ò»Ö¾Ô¸±±½»´ó²ÄÁϹ¤³Ì×Ü·Ö358 +8 cs0106 2026-04-01 9/450 2026-04-02 10:36 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 0710ÉúÎïѧÇóµ÷¼Á +9 manman511 2026-04-01 9/450 2026-04-02 10:00 by zxl830724
[¿¼ÑÐ] 085410 Ò»Ö¾Ô¸211 22408·ÖÊý359Çóµ÷¼Á +3 123456789qw 2026-03-31 4/200 2026-04-02 00:06 by ÒåÎÄwang
[¿¼ÑÐ] ÉúÎïÓëÒ½Ò©¿¼Ñе÷¼Á +5 Ìúº©º©123425 2026-03-31 5/250 2026-04-01 18:01 by syh9288
[¿¼ÑÐ] Çó0861½»Í¨ÔËÊäר˶or²ÄÁÏר˶µ÷¼Á +4 ÀÕ²¼ÀÊ@ 2026-03-31 4/200 2026-04-01 09:54 by Ò»Ö»ºÃ¹û×Ó?
[¿¼ÑÐ] ±¾¿Æ211×Ü·Ö289£¬08¹¤Ñ§ÕæÐÄÇóµ÷¼Á +3 utopiaE 2026-03-30 3/150 2026-03-30 23:42 by ms629
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û