²é¿´: 1094  |  »Ø¸´: 4

ihsadams

гæ (³õÈëÎÄ̳)

[ÇóÖú] ¹ØÓÚ¾ØÕó1·¶µÄÎÊÌâ

Çë½Ì´ó¼ÒÒ»¸öÎÊÌ⣺ºÍÓÐʲôÁªÏµÂð£¿ÔÚÕýÔò»¯µÄʱºò£¬Á½ÕßµÄ×îС»¯ºÍÊÇ·ñµÈ¼Û»òÕßÓÐûÓÐʲôÁªÏµ£¿ÊÇAµÄתÖã¬A²»Ò»¶¨ÊÇ·½Õó£¬AµÄËùÓÐÔªËØ·Ç¸º¡£Ð»Ð»´ó¼Ò£¡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

A^T=Aʱ£¬Á½ÕßµÄ×îС»¯Êǵȼ۹ØÏµ:  det(AA^T)=det(A^TA)
2Â¥2014-07-24 15:11:44
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ihsadams

гæ (³õÈëÎÄ̳)

ÍüÁË˵£¬ÕâÀïµÄ1·¶ÊÇm1·¶£¬Ò²¾ÍÊǾØÕóËùÓÐÔªËØµÄ¾ø¶ÔÖµµÄºÍ£¬²»ÊÇÏòÁ¿ÓÕµ¼³öµÄÁкͷ¶Êý
3Â¥2014-07-28 16:54:59
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hank612

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
3Â¥: Originally posted by ihsadams at 2014-07-28 16:54:59
ÍüÁË˵£¬ÕâÀïµÄ1·¶ÊÇm1·¶£¬Ò²¾ÍÊǾØÕóËùÓÐÔªËØµÄ¾ø¶ÔÖµµÄºÍ£¬²»ÊÇÏòÁ¿ÓÕµ¼³öµÄÁкͷ¶Êý

Ó¦¸Ãûʲô¹ØÏµ¡£
µ±¾ØÕóÔªËØ¾ù·Ç¸ºÊ±£¬¾ø¶ÔÖµ¾Í²»Óÿ¼ÂÇÁË£¬Òò´Ë ÕâÁ½¸ö·¶Êý·Ö±ðÊÇ


Ò»°ãµÄ½á¹ûÊÇ: AA^T, A^TA ÓÐÏàͬµÄ·ÇÁãÌØÕ÷Öµ£¨ÖØÊýÒ²ÏàµÈ£©¡£

¾Ù¸öÀý×Ó°É£¬ ÉèA=(1,2), ÄÇôAA^T=5, A^TA=(1 2; 2 4),ËùÒÔÁ½¸ö·¶ÊýÏà²îÉõÔ¶¡£
We_must_know. We_will_know.
4Â¥2014-08-04 07:43:10
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ihsadams

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
4Â¥: Originally posted by hank612 at 2014-08-04 07:43:10
Ó¦¸Ãûʲô¹ØÏµ¡£
µ±¾ØÕóÔªËØ¾ù·Ç¸ºÊ±£¬¾ø¶ÔÖµ¾Í²»Óÿ¼ÂÇÁË£¬Òò´Ë ÕâÁ½¸ö·¶Êý·Ö±ðÊÇ
\sum_{i,j,k=1}^n a_{ik}{a_jk}, \mathrm{and } \sum_{i,j,k=1}^n a_{ki}a_{kj}

Ò»°ãµÄ½á¹ûÊÇ: AA^T, A^TA ÓÐÏàͬµÄ·ÇÁãÌØ ...

ллÄ㣡
5Â¥2014-08-11 14:33:43
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ihsadams µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 301Çóµ÷¼Á +10 yyÒªÉϰ¶Ñ½ 2026-03-17 10/500 2026-03-21 03:14 by JourneyLucky
[¿¼ÑÐ] »ª¶«Ê¦·¶´óѧ-071000ÉúÎïѧ-293·Ö-Çóµ÷¼Á +3 Ñо¿ÉúºÎÑþÃ÷ 2026-03-18 3/150 2026-03-21 01:30 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸ÎäÀí²ÄÁÏ305·ÖÇóµ÷¼Á +6 ÏëÉϰ¶µÄÀðÓã 2026-03-18 7/350 2026-03-21 01:03 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖØÇì´óѧ085700×ÊÔ´Óë»·¾³×¨Ë¶£¬×Ü·Ö308Çóµ÷¼Á +3 īīĮ 2026-03-18 3/150 2026-03-21 00:39 by JourneyLucky
[¿¼ÑÐ] 296Çóµ÷¼Á +6 www_q 2026-03-18 10/500 2026-03-20 23:56 by JourneyLucky
[¿¼ÑÐ] 294Çóµ÷¼Á²ÄÁÏÓ뻯¹¤×¨Ë¶ +15 ݤÎÉ­ÁÖ 2026-03-18 15/750 2026-03-20 23:28 by JourneyLucky
[¿¼ÑÐ] ҩѧ383 Çóµ÷¼Á +3 ҩѧchy 2026-03-15 5/250 2026-03-20 22:11 by ÔÆÓÎÖØÑô
[¿¼ÑÐ] Çóµ÷¼Á +5 Mqqqqqq 2026-03-19 5/250 2026-03-20 20:46 by zhukairuo
[¿¼ÑÐ] Ò»Ö¾Ô¸ ÄϾ©º½¿Õº½Ìì´óѧ´óѧ £¬080500²ÄÁÏ¿ÆÑ§Ó빤³Ìѧ˶ +5 @taotao 2026-03-20 5/250 2026-03-20 20:16 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸¼ªÁÖ´óѧ²ÄÁÏѧ˶321Çóµ÷¼Á +11 Ymlll 2026-03-18 15/750 2026-03-20 19:40 by ¶¡¶¡*
[¿¼ÑÐ] Çóµ÷¼Á +3 @taotao 2026-03-20 3/150 2026-03-20 19:35 by JourneyLucky
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤µ÷¼Á 324·Ö +10 llllkkkhh 2026-03-18 12/600 2026-03-19 14:33 by llllkkkhh
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤Çóµ÷¼Á +6 Ð÷ÐÒÓë×Ó 2026-03-17 6/300 2026-03-19 13:27 by houyaoxu
[¿¼ÑÐ] 085601ר˶£¬×Ü·Ö342Çóµ÷¼Á£¬µØÇø²»ÏÞ +5 share_joy 2026-03-16 5/250 2026-03-18 14:48 by haxia
[¿¼ÑÐ] 311Çóµ÷¼Á +6 26ÑÐ0 2026-03-15 6/300 2026-03-18 14:43 by haxia
[¿¼ÑÐ] ÉúÎïѧ071000 329·ÖÇóµ÷¼Á +3 ÎÒ°®ÉúÎïÉúÎﰮΠ2026-03-17 3/150 2026-03-18 10:12 by macy2011
[¿¼ÑÐ] 326Çóµ÷¼Á +5 Éϰ¶µÄСÆÏ 2026-03-15 6/300 2026-03-17 17:26 by ruiyingmiao
[¿¼ÑÐ] 283Çóµ÷¼Á +3 Ìý·ç¾ÍÊÇÓꣻ 2026-03-16 3/150 2026-03-17 07:41 by ÈÈÇéɳĮ
[¿¼ÑÐ] 277²ÄÁÏ¿ÆÑ§Ó빤³Ì080500Çóµ÷¼Á +3 ×ÔÓɼå±ý¹û×Ó 2026-03-16 3/150 2026-03-16 14:10 by ÔËÆøyunqi
[¿¼ÑÐ] 0856Çóµ÷¼Á +3 ÁõÃÎ΢ 2026-03-15 3/150 2026-03-16 10:00 by houyaoxu
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û