²é¿´: 1433  |  »Ø¸´: 4

online66

Ìú³æ (³õÈëÎÄ̳)

[ÇóÖú] Õâô¶Ô¾ØÕóÇóµ¼ÕýÈ·Â𣿠ÒÑÓÐ2È˲ÎÓë

Çó¸÷λ¿´¿´ÎÒµÄÇóµ¼²½ÖèÄÄÀï´íÁË£¬ÎªÊ²Ã´ºÍÂÛÎÄÀïµÄ²»Í¬£¿  ¶àл £¡
Õâô¶Ô¾ØÕóÇóµ¼ÕýÈ·Âð£¿
ÍÆµ¼.jpg
»Ø¸´´ËÂ¥

» ±¾Ìû¸½¼þ×ÊÔ´Áбí

  • »¶Ó­¼à¶½ºÍ·´À¡£ºÐ¡Ä¾³æ½öÌṩ½»Á÷ƽ̨£¬²»¶Ô¸ÃÄÚÈݸºÔð¡£
    ±¾ÄÚÈÝÓÉÓû§×ÔÖ÷·¢²¼£¬Èç¹ûÆäÄÚÈÝÉæ¼°µ½ÖªÊ¶²úȨÎÊÌ⣬ÆäÔðÈÎÔÚÓÚÓû§±¾ÈË£¬Èç¶Ô°æÈ¨ÓÐÒìÒ飬ÇëÁªÏµÓÊÏ䣺xiaomuchong@tal.com
  • ¸½¼þ 1 : ÍÆµ¼.jpg
  • 2014-12-01 09:59:15, 101.01 K

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

pippi6

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

¹¤³ÌºÍ¿ÆÑ§ÊýÖµ¼ÆËã×Éѯ

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ÆäʵÂÛÎÄÀïºÍÄãµÄÍÆµ¼½á¹ûÒ»Ö£¬×¢Òâµ½factor 2 ±»Ï÷µô£¨ÒòΪÆë´Î£©£¬»¹ÓоÍÊÇMºÍ Lambda¶¼ÊǶԳƾØÕó¡£¾ÍÊÇÒ»µãÈÃÎÒ¾õµÃÆæ¹Ö£¬³Ë»ýÓ¦¸ÃÊÇÒ»¸öÊý£¬¿ÉÊÇΪʲôҪÓÃtrace£¿ µ±ÈÔȻһ¸öÊýµÄtrace¾ÍÊÇÊý±¾Éí£¬²¢²»Ó°Ïì½á¹û¡£
2Â¥2014-12-01 12:53:04
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zaq123321

ר¼Ò¹ËÎÊ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ÒýÓûØÌû:
2Â¥: Originally posted by pippi6 at 2014-12-01 12:53:04
ÆäʵÂÛÎÄÀïºÍÄãµÄÍÆµ¼½á¹ûÒ»Ö£¬×¢Òâµ½factor 2 ±»Ï÷µô£¨ÒòΪÆë´Î£©£¬»¹ÓоÍÊÇMºÍ Lambda¶¼ÊǶԳƾØÕó¡£¾ÍÊÇÒ»µãÈÃÎÒ¾õµÃÆæ¹Ö£¬³Ë»ýÓ¦¸ÃÊÇÒ»¸öÊý£¬¿ÉÊÇΪʲôҪÓÃtrace£¿ µ±ÈÔȻһ¸öÊýµÄtrace¾ÍÊÇÊý±¾Éí£¬²¢²»Ó°Ïì½á ...

ÆäʵÂÛÎÄÀïºÍÄãµÄÍÆµ¼½á¹ûÒ»Ö£¬×¢Òâµ½factor 2 ±»Ï÷µô£¨ÒòΪÆë´Î£©£¬»¹ÓоÍÊÇMºÍ Lambda¶¼ÊǶԳƾØÕó. Is correct.

¾ÍÊÇÒ»µãÈÃÎÒ¾õµÃÆæ¹Ö£¬³Ë»ýÓ¦¸ÃÊÇÒ»¸öÊý£¬¿ÉÊÇΪʲôҪÓÃtrace£¿ µ±ÈÔȻһ¸öÊýµÄtrace¾ÍÊÇÊý±¾Éí£¬²¢²»Ó°Ïì½á¹û¡£

Note that X and Q are matrices other than vectors. Products are still matrices.
Сľ³æ¸øÎÒÎÂů£¬¸øÎÒÏ£Íû£¬°®¾ÍÒª°®Ð¡Ä¾³æ¡£
3Â¥2014-12-02 01:40:50
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

catbin

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
3Â¥: Originally posted by zaq123321 at 2014-12-02 01:40:50
ÆäʵÂÛÎÄÀïºÍÄãµÄÍÆµ¼½á¹ûÒ»Ö£¬×¢Òâµ½factor 2 ±»Ï÷µô£¨ÒòΪÆë´Î£©£¬»¹ÓоÍÊÇMºÍ Lambda¶¼ÊǶԳƾØÕó. Is correct.

¾ÍÊÇÒ»µãÈÃÎÒ¾õµÃÆæ¹Ö£¬³Ë»ýÓ¦¸ÃÊÇÒ»¸öÊý£¬¿ÉÊÇΪʲôҪÓÃtrace£¿ µ±ÈÔȻһ¸öÊýµÄtrace¾ÍÊÇ ...

²»ÊÇÊý£¬¶¼ÊǾØÕó¡£ tr(A'B)ÊǾØÕóAºÍBµÄÄÚ»ý¡£
¾²Ë®Á÷Éî
4Â¥2014-12-02 07:12:37
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

pippi6

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

¹¤³ÌºÍ¿ÆÑ§ÊýÖµ¼ÆËã×Éѯ

ÒýÓûØÌû:
3Â¥: Originally posted by zaq123321 at 2014-12-02 01:40:50
ÆäʵÂÛÎÄÀïºÍÄãµÄÍÆµ¼½á¹ûÒ»Ö£¬×¢Òâµ½factor 2 ±»Ï÷µô£¨ÒòΪÆë´Î£©£¬»¹ÓоÍÊÇMºÍ Lambda¶¼ÊǶԳƾØÕó. Is correct.

¾ÍÊÇÒ»µãÈÃÎÒ¾õµÃÆæ¹Ö£¬³Ë»ýÓ¦¸ÃÊÇÒ»¸öÊý£¬¿ÉÊÇΪʲôҪÓÃtrace£¿ µ±ÈÔȻһ¸öÊýµÄtrace¾ÍÊÇ ...

Right, it must be so. Even when Q,X are matrices, the derivation still holds. Thx for shedding lights.
5Â¥2014-12-02 07:20:39
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ online66 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[˶²©¼ÒÔ°] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8 O5 51O 54,¿ÆÄ¿ÆëÈ«,¿É+¼± +3 8rmuugja8q 2026-02-22 7/350 2026-02-23 09:44 by w4l55oybr1
[¿¼ÑÐ] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8 O5 51O 54,¿ÆÄ¿ÆëÈ«,¿É+¼± +3 khieu8v8m0 2026-02-22 8/400 2026-02-23 09:35 by w4l55oybr1
[ÂÛÎÄͶ¸å] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8 O5 51O 54,¿ÆÄ¿ÆëÈ«,¿É+¼± +4 khieu8v8m0 2026-02-22 8/400 2026-02-23 09:29 by w4l55oybr1
[¿¼ÑÐ] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8 O5 51O 54,¿ÆÄ¿ÆëÈ«,¿É+¼± +5 usprnugpzw 2026-02-21 11/550 2026-02-23 09:24 by w4l55oybr1
[½Ìʦ֮¼Ò] ΪʲôÖйú´óѧ¹¤¿Æ½ÌÊÚÃÇË®ÁËÄÇô¶àËùνµÄ¶¥»á¶¥¿¯£¬µ«»¹ÊÇ×ö²»³öÓîÊ÷»úÆ÷ÈË£¿ +5 »¶ÀÖËÌÒ¶Ýè 2026-02-21 8/400 2026-02-23 09:19 by »¶ÀÖËÌÒ¶Ýè
[ÂÛÎÄͶ¸å] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8 O5 51O 54,¿ÆÄ¿ÆëÈ«,¿É+¼± +3 w89i99eaeh 2026-02-22 5/250 2026-02-23 08:04 by w4l55oybr1
[²©ºóÖ®¼Ò] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8 O5 51O 54,¿ÆÄ¿ÆëÈ«,¿É+¼± +6 3dfhjxgsh7 2026-02-22 9/450 2026-02-23 07:49 by w4l55oybr1
[¿¼²©] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8 O5 51O 54,¿ÆÄ¿ÆëÈ«,¿É+¼± +4 khieu8v8m0 2026-02-22 4/200 2026-02-23 06:46 by jsjzfl
[˶²©¼ÒÔ°] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8 O5 51O 54,¿ÆÄ¿ÆëÈ«,¿É+¼± +4 khieu8v8m0 2026-02-22 8/400 2026-02-23 06:24 by w4l55oybr1
[¿¼²©] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8 O5 51O 54,¿ÆÄ¿ÆëÈ«,¿É+¼± +5 3dfhjxgsh7 2026-02-22 6/300 2026-02-23 02:04 by 5jlh3qtdvx
[½Ìʦ֮¼Ò] °æÃæ·Ñ¸Ã½»Âð +7 Æ»¹ûÔÚÄÄÀï 2026-02-22 8/400 2026-02-22 22:37 by otani
[»ù½ðÉêÇë] ÃæÉÏ¿ÉÒÔ³¬¹ý30Ò³°É£¿ +4 °¢À­¹±aragon 2026-02-22 4/200 2026-02-22 21:22 by ɽÎ÷Ðü¿ÕË¿ÕÐüÎ
[ÂÛÎÄͶ¸å] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8 O5 51O 54,¿ÆÄ¿ÆëÈ«,¿É+¼± +4 usprnugpzw 2026-02-21 6/300 2026-02-22 19:48 by w89i99eaeh
[¿¼ÑÐ] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8 O5 51O 54,¿ÆÄ¿ÆëÈ«,¿É+¼± +3 3dfhjxgsh7 2026-02-22 4/200 2026-02-22 16:52 by khieu8v8m0
[ÕÒ¹¤×÷] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8 O5 51O 54,¿ÆÄ¿ÆëÈ«,¿É+¼± +3 usprnugpzw 2026-02-22 3/150 2026-02-22 16:37 by khieu8v8m0
[¹«Åɳö¹ú] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8 O5 51O 54,¿ÆÄ¿ÆëÈ«,¿É+¼± +3 usprnugpzw 2026-02-21 4/200 2026-02-22 16:27 by khieu8v8m0
[»ù½ðÉêÇë] ¡°ÈËÎÄÉç¿Æ¶øÂÛ£¬Ðí¶àѧÊõÑо¿»¹Ã»ÓдﵽÃñ¹úʱÆÚµÄˮƽ¡± +4 ËÕ¶«ÆÂ¶þÊÀ 2026-02-18 5/250 2026-02-22 16:07 by liangep1573
[»ù½ðÉêÇë] ʲôÊÇÈËÒ»Éú×îÖØÒªµÄ£¿ +4 ˲ϢÓîÖæ 2026-02-21 4/200 2026-02-22 11:44 by huagongfeihu
[»ù½ðÉêÇë] ½ñÄê´ºÍíÓм¸¸ö½ÚÄ¿ºÜ²»´í£¬µãÔÞ£¡ +11 ˲ϢÓîÖæ 2026-02-16 12/600 2026-02-21 21:14 by lq493392203
[»ù½ðÉêÇë] ÌåÖÆÄÚ³¤±²ËµÌåÖÆÄÚ¾ø´ó²¿·ÖÒ»±²×ÓÔڵײ㣬ÈçͬÄãÃÇÒ»Ñù´ó²¿·ÖÆÕͨ½ÌʦæÇÒÊÕÈëµÍ +9 ˲ϢÓîÖæ 2026-02-20 12/600 2026-02-21 10:39 by »¶ÀÖËÌÒ¶Ýè
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û