Znn3bq.jpeg
²é¿´: 2444  |  »Ø¸´: 10

anionxt

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

[ÇóÖú] Çë½Ì AXA^T = B ÕâÀà·½³ÌÔõôÊýÖµÇó½âÄØ£¿ ÒÑÓÐ4È˲ÎÓë

Çë½Ì¸÷λÅóÓÑ£º

AXA^T = B

ÕâÖÖ·½³ÌÔõôÑùÊýÖµ·½·¨Çó½âÄØ£¿
A^T ±íʾתÖ㬠A ºÍ B ¶¼ÊÇʵÊý¾ØÕó£¬ XΪδ֪Êý¾ØÕó¡£
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
»ØÌûÖ§³Ö ( ÏÔʾ֧³Ö¶È×î¸ßµÄǰ 50 Ãû )

bluesine

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

¿ÆÔ·Ð¡Ä¾³æ

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
anionxt: ½ð±Ò+5, ¡ï¡ï¡ïºÜÓаïÖú 2016-05-18 08:36:00
AXA^T = B
µÃµ½A^T AXA^T A = A^TBA
A^T AX  =  A^TBA*inv(A^TA)

X = inv(A^T A) A^T BA*inv(A^TA)
invÊÇÇóÄæ
°åµÊÒª×öÊ®ÄêÀäÎÄÕ²»·¢Ò»¸ö×Ö
4Â¥2016-05-17 08:46:51
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
ÆÕͨ»ØÌû

lukebest

½û³æ (ÕýʽдÊÖ)

±¾ÌûÄÚÈݱ»ÆÁ±Î

2Â¥2016-05-16 18:54:16
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lukebest

½û³æ (ÕýʽдÊÖ)

¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
anionxt: ½ð±Ò+5, ¡ï¡ï¡ïºÜÓаïÖú, лл£¡ 2016-05-22 10:45:42
±¾ÌûÄÚÈݱ»ÆÁ±Î

3Â¥2016-05-16 18:56:16
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

cfc823

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ÒýÓûØÌû:
4Â¥: Originally posted by bluesine at 2016-05-17 08:46:51
AXA^T = B
µÃµ½A^T AXA^T A = A^TBA
A^T AX  =  A^TBA*inv(A^TA)

X = inv(A^T A) A^T BA*inv(A^TA)
invÊÇÇóÄæ

ÓÃÇóÄæÀ´½â´ð£¬Ç°ÌáÐèҪȷ±£A,BÊÇÂúÖȾØÕó°É

·¢×ÔСľ³æAndroid¿Í»§¶Ë
5Â¥2016-05-17 09:08:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

bluesine

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

¿ÆÔ·Ð¡Ä¾³æ

ÒýÓûØÌû:
5Â¥: Originally posted by cfc823 at 2016-05-17 09:08:14
ÓÃÇóÄæÀ´½â´ð£¬Ç°ÌáÐèҪȷ±£A,BÊÇÂúÖȾØÕó°É
...

B²»ÐèÒªÂúÖÈ£¬AÐÐÂúÖȾ͹»ÁË¡£¡£¡£
°åµÊÒª×öÊ®ÄêÀäÎÄÕ²»·¢Ò»¸ö×Ö
6Â¥2016-05-17 09:13:01
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×£¸£
7Â¥2016-05-17 21:30:42
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

anionxt

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
4Â¥: Originally posted by bluesine at 2016-05-17 08:46:51
AXA^T = B
µÃµ½A^T AXA^T A = A^TBA
A^T AX  =  A^TBA*inv(A^TA)

X = inv(A^T A) A^T BA*inv(A^TA)
invÊÇÇóÄæ

ллÄ㣬µ«ÊǾØÕóµÄά¶È¶¼ÊÇ200x200×óÓÒ£¬ÇóÄæ¿ÉÄÜËٶȽÏÂý£¬ÓÐʲôµü´úµÄ·½·¨À´Çó½âÂð

·¢×ÔСľ³æAndroid¿Í»§¶Ë
8Â¥2016-05-18 08:38:23
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×£¸£
9Â¥2016-05-18 10:26:41
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

rock_faith

½ð³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

ÒýÓûØÌû:
8Â¥: Originally posted by anionxt at 2016-05-18 08:38:23
ллÄ㣬µ«ÊǾØÕóµÄά¶È¶¼ÊÇ200x200×óÓÒ£¬ÇóÄæ¿ÉÄÜËٶȽÏÂý£¬ÓÐʲôµü´úµÄ·½·¨À´Çó½âÂð
...

ÏóÂ¥ÉÏ˵µÄÄÇÑù£¬½«¾ØÕó·½³ÌÁ½±ß£¬°´ÐÐÀ­Ö±ºó£¬±ä³ÉAx =bµÄÐÎʽ£¬È»ºó¾Í¿ÉÒÔÓøß˹ÏûÔª·¨£¬¼´Ax=LUx=b (Èý½Ç·Ö½â)£¬²»ÓÃÇóÄæ£¬Ð§Âʺܸߡ£

·¢×ÔСľ³æAndroid¿Í»§¶Ë
Ì«³õÓеÀ£¬µÀÓë¡¡ÉñͬÔÚ£¬µÀ¾ÍÊÇ¡¡Éñ(Ô¼1:1)
10Â¥2016-05-19 22:26:18
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ anionxt µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 327Çóµ÷¼Á +5 ʰ¹âÈÎȾ 2026-04-06 5/250 2026-04-12 02:29 by Çï¶¹²ËÑ¿
[¿¼ÑÐ] ¼ÆËã»ú22408 281·Ö£¬Çóµ÷¼Á +7 17715607211 2026-04-06 7/350 2026-04-12 00:43 by xuxiang
[¿¼ÑÐ] ÇóÖúµ÷¼Á£¬¿çµ÷ +11 XÊ®¸¦´çY 2026-04-11 11/550 2026-04-11 23:49 by ѧzh
[¿¼ÑÐ] Çóµ÷¼Á +18 MAXâê㯠2026-04-09 20/1000 2026-04-11 23:31 by zhen¡«
[¿¼ÑÐ] ²ÄÁϹ¤³Ì281»¹Óе÷¼Á»ú»áÂð +19 xaw. 2026-04-11 19/950 2026-04-11 23:20 by labixiaoqiao
[¿¼ÑÐ] Çóµ÷¼Á +11 ÔÂ@163.com 2026-04-07 13/650 2026-04-11 22:55 by BruceLiu320
[¿¼ÑÐ] Çóµ÷¼Á +13 ÕÅ·¬ÇѲ»³´µ° 2026-04-10 14/700 2026-04-11 16:02 by vgtyfty
[¿¼ÑÐ] 285Çóµ÷¼Á +8 ¶ñ·¨´ó¶þµÄÆøÎ¶ß 2026-04-05 11/550 2026-04-11 11:28 by ×ÏêØ×ÏÆå
[¿¼ÑÐ] 087100³õÊÔ311Çóµ÷¼Á +4 ÈÎÑÅÇÙ 2026-04-09 4/200 2026-04-11 10:33 by zhq0425
[¿¼ÑÐ] 282£¬Çóµ÷¼Á +12 jggshjkkm 2026-04-09 14/700 2026-04-11 09:39 by Öí»á·É
[¿¼ÑÐ] 336²ÄÁÏÓ뻯¹¤085600Çóµ÷¼Á +21 Ë®ÐǼÇinfp 2026-04-05 24/1200 2026-04-10 15:28 by luoyongfeng
[¿¼ÑÐ] ±¾¿Æ211 ¹¤¿Æ085400 280·ÖÇóµ÷¼Á ¿É¿çרҵ +3 LZH£¨µÈ´ýµ÷¼ÁÖÐ 2026-04-09 3/150 2026-04-09 21:29 by wutongshun
[¿¼ÑÐ] 349ѧ¿Æ»¯Ñ§045106Çóµ÷¼Á£¬»¯Ñ§Àà¶¼¿ÉÒÔ +8 ±£ºÃ¶®¶® 2026-04-08 8/400 2026-04-09 14:03 by xulei3024
[¿¼ÑÐ] Çóµ÷¼Á +13 Æâluck 2026-04-07 13/650 2026-04-08 22:46 by Öí»á·É
[¿¼ÑÐ] 270Çóµ÷¼Á +3 031127 2026-04-06 4/200 2026-04-08 21:00 by ÄæË®³Ë·ç
[¿¼ÑÐ] 277Çóµ÷¼Á ÊýÒ»104·Ö +9 Æ¿×ÓPZ 2026-04-05 14/700 2026-04-07 17:52 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 372·Ö²ÄÁÏÓ뻯¹¤£¨085600£©Ó¢¶þÊý¶þÇóµ÷¼Á +4 À¶¼ãƬ 2026-04-06 4/200 2026-04-07 12:30 by dongzh2009
[¿¼ÑÐ] 085100½¨Öþѧ ѰÇó¿çרҵµ÷¼Á Ò»Ö¾Ô¸ÄÏ´ó294·Ö У¼¶Ê¡¼¶¹ú¼Ò¼¶½±ÏîÈô¸É ̤ʵ¿Ï¸É +3 1021075758 2026-04-06 4/200 2026-04-07 09:23 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Ò»Ö¾Ô¸ËÕÖÝ´óѧ²ÄÁϹ¤³Ì£¨085601£©×¨Ë¶ÓпÆÑо­ÀúÈýÏî¹ú½±Á½¸öʵÓÃÐÍרÀûÒ»ÏîÊ¡¼¶Á¢Ïî +11 ´ó»ðɽС»ðɽ 2026-04-05 11/550 2026-04-06 22:55 by yunlongyang
[¿¼ÑÐ] 302·Ö 085601Çóµ÷¼ÁÍÆ¼ö +11 zyxÉϰ¶£¡ 2026-04-05 11/550 2026-04-05 22:13 by dongzh2009
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û