24СʱÈÈÃŰæ¿éÅÅÐаñ    

²é¿´: 2202  |  »Ø¸´: 23
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

bluesine

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

¿ÆÔ·Ð¡Ä¾³æ

[ÇóÖú] Çë½ÌÒ»¸ö¾ØÕóµÄÌØÕ÷Öµ

ÌâÄ¿£ºÒÑÖªAÊÇÒ»¸ön*nʵ¶Ô³Æ¾ØÕó£¬ËüµÄn¸öÌØÕ÷Öµ\lambda_1, ... , \lambda_n .
D=diag(d1,d2, ... ,dn) ,di>0.
£¨¼´DÊǶԽÇÏßÔªËØÊÇd1~dn£¬ÆäËûÔªËØÎª0  µÄ¾ØÕó£©
Çó£ºD*A*DµÄÌØÕ÷Öµ£¬Ð»Ð»¡£
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

°åµÊÒª×öÊ®ÄêÀäÎÄÕ²»·¢Ò»¸ö×Ö
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

bluesine

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

¿ÆÔ·Ð¡Ä¾³æ

ÒýÓûØÌû:
15Â¥: Originally posted by wizzhang at 2012-04-05 20:30:59:
Â¥Ö÷µÄÒâ˼¿ÉÄÜÊÇÏ£Íû½«D*A*DµÄÌØÕ÷ÖµÓÃAµÄÌØÕ÷ÖµºÍDµÄ¶Ô½ÇÔª±íʾ³öÀ´£¬µ«¿ÉÄܺÜÀ§ÄÑ£¨³ý·ÇÊÇÒ»Ð©ÌØÊâµÄÇéÐΣ©£¬Ò²¿ÉÄÜÎ޽⡣ÊÂʵÉÏ£¬¶Ô³Æ¾ØÕóD*A*DµÄÌØÕ÷Öµ²»¹âºÍAµÄÌØÕ÷ÖµºÍDµÄ¶Ô½ÇÔªÓйأ¬»¹ºÍAµÄÔªËØÓйء£È· ...

˵µÀµã×ÓÉÏÁË£¬µ«ÊÇÎÒÒªµÄÊǴ𰸣¬ºÇºÇ
°åµÊÒª×öÊ®ÄêÀäÎÄÕ²»·¢Ò»¸ö×Ö
16Â¥2012-04-06 12:53:03
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 24 ¸ö»Ø´ð

bluesine

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

¿ÆÔ·Ð¡Ä¾³æ

Çó´ïÈ˽â´ð
°åµÊÒª×öÊ®ÄêÀäÎÄÕ²»·¢Ò»¸ö×Ö
2Â¥2012-03-26 10:15:32
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hls85915

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

¿ÆÑй¤¾ß°æ¡ª¡ªÉ³Ä®Ö®ºú

ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
bluesine: ½ð±Ò+1, ¡ïÓаïÖú, ÎÒÏëÒªÒ»¸ö½áÂÛÐԵģ¬ºÇºÇ£¬»¹ÊÇлл~ 2012-03-26 23:56:29
¿ÉÒÔÓÃMATLABÇó½âµÄ¡£¡£¡£
¹þ¹þ
3Â¥2012-03-26 10:31:27
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yulong1984

гæ (³õÈëÎÄ̳)

²»¶®Ñ½   £¿£¿£¿£¿
4Â¥2012-03-26 18:40:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 303Çóµ÷¼Á +6 À¶É½Ô 2026-03-25 6/300 2026-03-25 22:47 by 418490947
[¿¼ÑÐ] Ò»Ö¾Ô¸ºÓ¹¤´ó 081700 276Çóµ÷¼Á +3 µØÇòÈÆ×ÅÌ«Ñôת 2026-03-23 3/150 2026-03-25 19:10 by ÎíÉ¢ºóÏàÓölc
[¿¼ÑÐ] ¸÷λÀÏʦÄúºÃ£º±¾È˳õÊÔ372·Ö +5 jjÓ¿77 2026-03-25 6/300 2026-03-25 14:15 by mapenggao
[¿¼ÑÐ] 303Çóµ÷¼Á +6 ԪϦԪ 2026-03-20 7/350 2026-03-25 12:00 by edmund7
[¿¼ÑÐ] 278Çóµ÷¼Á +4 ÎÒ¿ÉÒÔÉϰ¶µÄ¶Ô 2026-03-19 4/200 2026-03-25 11:01 by userper
[¿¼ÑÐ] ¿¼Ñл¯Ñ§308·ÖÇóµ÷¼Á +10 ÄãºÃÃ÷ÌìÄãºÃ 2026-03-23 11/550 2026-03-25 10:23 by userper
[¿¼ÑÐ] Çóµ÷¼Á Ò»Ö¾Ô¸ ±¾¿Æ ±±¿Æ´ó »¯Ñ§ 343 +4 13831862839 2026-03-24 5/250 2026-03-25 09:47 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] µ÷¼Á +4 13853210211 2026-03-24 4/200 2026-03-24 19:44 by ms629
[¿¼ÑÐ] Ò»Ö¾Ô¸±±»¯315 Çóµ÷¼Á +3 akrrain 2026-03-24 3/150 2026-03-24 19:35 by ÁËÁËÁËÁË¡£¡£
[¿¼ÑÐ] Çóµ÷¼Á +6 ÑÐÑУ¬½Óµç»° 2026-03-24 7/350 2026-03-24 17:01 by barlinike
[¿¼ÑÐ] Ò»Ö¾Ô¸211 ³õÊÔ270·Ö Çóµ÷¼Á +5 ¹ÈÓêÉϰ¶ 2026-03-23 6/300 2026-03-24 16:32 by laoshidan
[¿¼ÑÐ] 344Çóµ÷¼Á +3 desto 2026-03-24 3/150 2026-03-24 10:09 by ²«»÷518
[¿¼ÑÐ] »¯Ñ§308·ÖÇóµ÷¼Á +3 ÄãºÃÃ÷ÌìÄãºÃ 2026-03-23 3/150 2026-03-23 20:11 by macy2011
[¿¼ÑÐ] 298Çóµ÷¼Á +8 Éϰ¶6666@ 2026-03-20 8/400 2026-03-23 11:02 by laoshidan
[¿¼ÑÐ] Çóµ÷¼ÁÒ»Ö¾Ô¸º£´ó£¬0703»¯Ñ§Ñ§Ë¶304·Ö£¬Óдó´´ÏîÄ¿£¬Ëļ¶Òѹý +6 ÐÒÔËÁ¨Á¨ 2026-03-22 10/500 2026-03-22 20:10 by edmund7
[¿¼ÑÐ] 279Çóµ÷¼Á +5 ºìÒÂÒþ¹Ù 2026-03-21 5/250 2026-03-21 14:59 by lature00
[¿¼ÑÐ] 330Çóµ÷¼Á0854 +3 assdll 2026-03-21 3/150 2026-03-21 13:01 by ²«»÷518
[¿¼ÑÐ] Çóµ÷¼Á +6 Mqqqqqq 2026-03-19 6/300 2026-03-21 08:04 by JourneyLucky
[¿¼ÑÐ] 317Çóµ÷¼Á +5 Éê×ÓÉêÉê 2026-03-19 9/450 2026-03-20 22:26 by JourneyLucky
[¿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
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û