Znn3bq.jpeg
²é¿´: 1748  |  »Ø¸´: 12

fanbao_keke

Ìú³æ (ÕýʽдÊÖ)

[ÇóÖú] ÇóÖúÇó½âÏÂÁÐËĸöñîºÏ·½³Ì×é ÒÑÓÐ2È˲ÎÓë

ÇóÖúÇó½âÏÂÁÐËĸöñîºÏ·½³Ì×飬ÆäÖÐÄѵãÊÇÈçºÎÇó£¬È»ºó¶ÔÓÚÿ¸ö£¬ÔÙÇó£º






ÆäÖÐΪ³£Êý£¬Îª´ýÇó±¾Õ÷Öµ£¬
Ϊ´ýÇóº¯Êý¡£
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

ÖÕ̫֮µ¶¡ªÏþ

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

Êýѧ°®ºÃÕß

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ÊÔÎÊ´ýÇóº¯ÊýÊDz»ÊDZ¾Õ÷º¯Êý£¿
Èç¹ûÊÇ£¬ÔòËüÃÇÊÇ·ÇÁ㺯Êý×飬Ҳ¾ÍÊÇ˵¹ØÓÚB1£¬B2£¬B3£¬B4µÄÏßÐÔ·½³Ì×éÓзÇÁã½â£¬¹ÊÆäϵÊý¹¹³ÉµÄÐÐÁÐʽΪ0£¬´Ó¶øµÃ³ö¹ØÓڦ˵ÄÒ»ÔªËĴη½³Ì¡£
PreferenceforMathematics
2Â¥2015-01-30 13:49:03
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

fanbao_keke

Ìú³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by ÖÕ̫֮µ¶¡ªÏþ at 2015-01-30 13:49:03
ÊÔÎÊ´ýÇóº¯ÊýÊDz»ÊDZ¾Õ÷º¯Êý£¿
Èç¹ûÊÇ£¬ÔòËüÃÇÊÇ·ÇÁ㺯Êý×飬Ҳ¾ÍÊÇ˵¹ØÓÚB1£¬B2£¬B3£¬B4µÄÏßÐÔ·½³Ì×éÓзÇÁã½â£¬¹ÊÆäϵÊý¹¹³ÉµÄÐÐÁÐʽΪ0£¬´Ó¶øµÃ³ö¹ØÓڦ˵ÄÒ»ÔªËĴη½³Ì¡£

ллÄãµÄ»ØÌù£¬ÓÉÓÚÓв»ÎªÁãµÄ\beta£¬ÒªµÃµ½¹ØÓÚB1£¬B2£¬B3£¬B4µÄÏßÐÔ·½³Ì×éÓзÇÁã½â£¬ÆäϵÊý¹¹³ÉµÄÐÐÁÐʽΪ0ÄÜ·ñ¿ÉÄÜѽ£¿
3Â¥2015-01-30 16:56:15
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

pippi6

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

¹¤³ÌºÍ¿ÆÑ§ÊýÖµ¼ÆËã×Éѯ

Óеã»ìÂÒ¡£Èç¹ûÊÇÌØÕ÷·½³Ì×飬¾Í±ØÐëÊÇÆë´ÎµÄ¡£µ«Èç¹ûbeta /=0, ¾Í²»ÊÇÆë´ÎµÄ£¬ÄǾͲ»ÊÇÌØÕ÷·½³Ì¡£¿ÉÊÇÄã¹Ülambda½ÐÌØÕ÷Öµ¾ÍÓеãÎ󵼡£Çë¸ãÇå³þµ½µ×ÊÇʲôÎÊÌâ¡£
4Â¥2015-01-30 21:52:38
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

fanbao_keke

Ìú³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
4Â¥: Originally posted by pippi6 at 2015-01-30 21:52:38
Óеã»ìÂÒ¡£Èç¹ûÊÇÌØÕ÷·½³Ì×飬¾Í±ØÐëÊÇÆë´ÎµÄ¡£µ«Èç¹ûbeta /=0, ¾Í²»ÊÇÆë´ÎµÄ£¬ÄǾͲ»ÊÇÌØÕ÷·½³Ì¡£¿ÉÊÇÄã¹Ülambda½ÐÌØÕ÷Öµ¾ÍÓеãÎ󵼡£Çë¸ãÇå³þµ½µ×ÊÇʲôÎÊÌâ¡£

Êǵ쬲»ÄܽÐÌØÕ÷Öµ£¬Èç¹û²»ÊÇÌØÕ÷Öµ£¬ÄÜ·ñÇó³ölambda¼°ÏàÓ¦µÄBѽ?
5Â¥2015-01-30 22:42:25
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

ÏÈת»¯³ÉA*B=CµÄÐÎʽ£¬Çó½âÏòÁ¿[B1, B2, B3, B4]^T£¬numdaµ±×÷²ÎÊý´úÈë¼´¿É¡£
matlab¿É½â¡£
http://zhidao.baidu.com/link?url ... chxKt5Y8nquYaf0xtla
[ ·¢×ÔСľ³æ¿Í»§¶Ë ]
6Â¥2015-01-30 23:36:24
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

pippi6

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

¹¤³ÌºÍ¿ÆÑ§ÊýÖµ¼ÆËã×Éѯ

ÒýÓûØÌû:
5Â¥: Originally posted by fanbao_keke at 2015-01-30 22:42:25
Êǵ쬲»ÄܽÐÌØÕ÷Öµ£¬Èç¹û²»ÊÇÌØÕ÷Öµ£¬ÄÜ·ñÇó³ölambda¼°ÏàÓ¦µÄBѽ?...

¶ÔÓÚÆÕͨ¸ø¶¨lambda£¬ Èç¹ûÐÐÁÐʽ·ÇÁ㣬¿ÉÒÔΨһ½â³öB¡£Èç¹ûÐÐÁÐʽΪÁ㣨¹ÃÇÒ½Ð×ölambdaµÄÌØÕ÷·½³Ì£©£¬Ò»°ãÀ´ËµBûÓн⣬³ý·ÇÄãµÄbetaÂú×ãÒ»¶¨Ìõ¼þ£¬Ê¹µÃÔö¹ã¾ØÕóµÄÖÈÒ²ÊÇ3¡£
7Â¥2015-01-31 05:52:26
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

mathstudy

½ð³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
Ëĸö·½³Ì£¬Îå¸öδ֪Êý.....Èç¹ûbeta=0£»¾Í¿ÉÒÔ¼ÓÉÏÐÐÁÐʽΪÁãÕâ¸öÌõ¼þÁË£¬5 5·â±Õ.....ÏÖÔÚµÄÖ÷ÒªÎÊÌâÔÚÓÚ  ÈçºÎ¸ø³öµÚ5¸ö·½³Ì£¿Ó¦¸Ã  Â¥Ö÷¸ø³ö¸ü¶àµÄÐÅÏ¢²ÅºÃ
8Â¥2015-01-31 09:31:36
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

fanbao_keke

Ìú³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
8Â¥: Originally posted by mathstudy at 2015-01-31 09:31:36
Ëĸö·½³Ì£¬Îå¸öδ֪Êý.....Èç¹ûbeta=0£»¾Í¿ÉÒÔ¼ÓÉÏÐÐÁÐʽΪÁãÕâ¸öÌõ¼þÁË£¬5 5·â±Õ.....ÏÖÔÚµÄÖ÷ÒªÎÊÌâÔÚÓÚ  ÈçºÎ¸ø³öµÚ5¸ö·½³Ì£¿Ó¦¸Ã  Â¥Ö÷¸ø³ö¸ü¶àµÄÐÅÏ¢²ÅºÃ

ллÄãµÄ»ØÌû£¬µÚÎå¸ö·½³ÌÊÇ£ºB1^2+B2^2+B3^2+B4^2+2*\beta^2=1,µ«ÕâÑù¼ÓÁ˺ÃÏñ¸üÄѽâÁË£¬ÓÃMathmaticsËã²»³öÀ´Ñ½
9Â¥2015-01-31 13:13:11
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

ÒýÓûØÌû:
9Â¥: Originally posted by fanbao_keke at 2015-01-31 13:13:11
ллÄãµÄ»ØÌû£¬µÚÎå¸ö·½³ÌÊÇ£ºB1^2+B2^2+B3^2+B4^2+2*\beta^2=1,µ«ÕâÑù¼ÓÁ˺ÃÏñ¸üÄѽâÁË£¬ÓÃMathmaticsËã²»³öÀ´Ñ½...

6#½á¹û´úÈë9#£¬È·¶¨³önumda£»
»Ø´ø£¬È·¶¨³öB1¡¢B2¡¢B3¡¢B4¡£
10Â¥2015-01-31 16:01:50
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ fanbao_keke µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 297£¬¹¤¿Æµ÷¼Á? +3 ºÓÄÏũҵ´óѧ-ÄÜ 2026-04-14 3/150 2026-04-15 22:02 by noqvsozv
[¿¼ÑÐ] Çóµ÷¼ÁѧУ +14 ²»»á³ÔÈâ 2026-04-13 16/800 2026-04-15 21:59 by noqvsozv
[¿¼ÑÐ] 297£¬¹¤¿Æµ÷¼Á? +10 ºÓÄÏũҵ´óѧ-ÄÜ 2026-04-14 10/500 2026-04-15 21:50 by noqvsozv
[¿¼ÑÐ] ÉúÎïѧµ÷¼Á +9 Ö½ÉÈzhishan 2026-04-13 9/450 2026-04-15 18:28 by ANÁ÷800
[¿¼ÑÐ] µ÷¼ÁÇóÊÕÁô +34 ¹ûÈ»ÓÐÎÒ 2026-04-10 35/1750 2026-04-15 13:05 by Î÷±±Íû¡ª·çɳ
[¿¼ÑÐ] 085500Çóµ÷¼Á²ÄÁÏ +11 Ò×11122 2026-04-09 11/550 2026-04-14 17:59 by lhj2009
[¿¼ÑÐ] »¯¹¤Ñ§Ë¶294·Ö£¬Çóµ¼Ê¦ÊÕÁô +32 yzyzx 2026-04-12 36/1800 2026-04-14 17:45 by lhj2009
[¿¼ÑÐ] ±¾¿ÆÎ÷¹¤´ó 324Çóµ÷¼Á +5 wysyjs25 2026-04-10 5/250 2026-04-13 23:08 by pies112
[¿¼ÑÐ] 293Çóµ÷¼Á +16 ÎÒ°®¸ßÊý¸ßÊý°®Î 2026-04-12 18/900 2026-04-13 21:47 by ѧԱJpLReM
[½Ìʦ֮¼Ò] ɽ¶«Ë«·ÇԺУ¿¼ºË³¬¼¶ÎÞµ×Ïߣ¬Áìµ¼ÐÒÔÖÀÖ»ö£¬½ÌʦÔâÑê¿Ö +3 qut2026 2026-04-11 7/350 2026-04-12 20:24 by qut2026
[˶²©¼ÒÔ°] ÐÂÒ»´úµç×ÓÐÅÏ¢294Çóµ÷¼Á ²»ÌôѧУ +7 Ytyt11 2026-04-09 8/400 2026-04-12 16:57 by ajpv·çÀ×
[¿¼ÑÐ] ҩѧר˶µ÷¼Á +8 ? һ·Éú?»¨? 2026-04-10 10/500 2026-04-11 21:21 by zhouxiaoyu
[¿¼ÑÐ] µ÷¼Á +6 ÇàµÆ²»¸º 2026-04-09 6/300 2026-04-11 20:35 by dongdian1
[¿¼ÑÐ] Ò»Ö¾Ô¸¶«±±´óѧ¿ØÖƹ¤³Ì085406Êý¶þÓ¢¶þ385£¬Çóµ÷¼Á +8 Ezra_Zhang 2026-04-09 8/400 2026-04-11 09:15 by Öí»á·É
[¿¼ÑÐ] ±¾¿Æ211 ¹¤¿Æ085400 280·ÖÇóµ÷¼Á ¿É¿çרҵ +11 LZH£¨µÈ´ýµ÷¼ÁÖÐ 2026-04-10 11/550 2026-04-11 08:39 by zhq0425
[¿¼ÑÐ] Ò»Ö¾Ô¸¾©Çø985£¬085401µç×ÓÐÅÏ¢£¬±¾¿Æµç×ÓÐÅÏ¢ +3 Ñô¹â¿ªÀʵÄÄк¢ 2026-04-10 3/150 2026-04-10 16:29 by sophia_93
[¿¼ÑÐ] 344Çóµ÷¼Á +7 ؼ·çѩҹ¹éÈËØ¼ 2026-04-09 7/350 2026-04-10 12:05 by pengliang8036
[¿¼ÑÐ] ³õÊÔ·Ö332£¬Ò»Ö¾Ô¸±¨¿¼Î÷±±¹¤Òµ´óѧ£¬ +11 ¹ÊÈË?? 2026-04-09 11/550 2026-04-09 21:54 by JineShine
[¿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] 332£¬085601Çóµ÷¼Á +12 ydfyh 2026-04-09 14/700 2026-04-09 17:28 by wp06
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û