²é¿´: 2168  |  »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»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

°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:
8Â¥: Originally posted by chbhx at 2012-03-28 16:31:40:
ÎÒ¾õµÃÕâµÀÌâ¾ÍÊǸù¾Ý¶¨Òå|¦ËE-A|=0£¬½«|¦ËE-A|±äΪ|¦ËE-DAD|£¬½«DÌá³öÀ´£¬¾ÍÊÇÂ¥ÉÏÄǸö´ð°¸Á˰É

ÄÇÖ»ÄÜ˵D*A*D ÏàËÆÓÚD^2*A,µ«ÊÇD^2*AµÄÌØÕ÷Öµ²»ÊÇÄã˵µÄÄǸö£¬»òÕßÐÖµÜÄÜ·ñ˵Ã÷Ò»ÏÂD^2*AµÄÌØÕ÷ÖµÊÇÈçºÎ¼ÆËãµÄ
°åµÊÒª×öÊ®ÄêÀäÎÄÕ²»·¢Ò»¸ö×Ö
9Â¥2012-03-29 08:34:02
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] 08¹¤Ñ§µ÷¼Á +7 Óû§573181 2026-03-20 11/550 2026-03-23 15:47 by ÎÒ°®Ñ§Ï°Ñ§Ï°Ê¹Î
[¿¼ÑÐ] 328Çóµ÷¼Á +4 LHHL66 2026-03-23 4/200 2026-03-23 14:55 by lbsjt
[¿¼ÑÐ] 276Çóµ÷¼Á¡£ÓаëÄêµç³ØºÍ°ëÄê¸ß·Ö×Óʵϰ¾­Àú +8 ²ÄÁÏѧ257Çóµ÷¼Á 2026-03-23 9/450 2026-03-23 13:01 by ztnimte
[¿¼ÑÐ] 306Çó0703µ÷¼ÁÒ»Ö¾Ô¸»ªÖÐʦ·¶ +6 Ö½Óãly 2026-03-21 6/300 2026-03-23 12:08 by Iveryant
[¿¼ÑÐ] Ò»Ö¾Ô¸±±¾©»¯¹¤´óѧ 070300 ѧ˶ 336·Ö Çóµ÷¼Á +5 vvÃÔ 2026-03-22 5/250 2026-03-23 07:36 by Iveryant
[¿¼ÑÐ] 318Çóµ÷¼Á +4 plumÀî×Ó 2026-03-21 7/350 2026-03-22 14:17 by ColorlessPI
[¿¼ÑÐ] ²ÄÁÏÇóµ÷¼Á +5 @taotao 2026-03-21 5/250 2026-03-21 20:55 by lbsjt
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á +4 ÄÝÄÝninicgb 2026-03-21 4/200 2026-03-21 18:39 by ѧԱ8dgXkO
[¿¼ÑÐ] 302Çóµ÷¼Á +12 ºôºôºô¡£¡£¡£¡£ 2026-03-17 12/600 2026-03-21 17:29 by ColorlessPI
[¿¼ÑÐ] 296Çóµ÷¼Á +4 www_q 2026-03-20 4/200 2026-03-21 17:26 by ѧԱ8dgXkO
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖйúʯÓÍ´óѧ£¨»ª¶«£© ±¾¿ÆÆë³¹¤Òµ´óѧ +3 ʯÄÜΰ 2026-03-17 3/150 2026-03-21 02:22 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÄÏʦ´ó 070300£¨»¯Ñ§£©304·ÖÇóµ÷¼Á +3 0703ÎäÜ·»ÛÑ©304 2026-03-18 3/150 2026-03-21 00:48 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] 295Çóµ÷¼Á +4 Ò»Ö¾Ô¸¾©Çø211 2026-03-18 6/300 2026-03-20 23:41 by JourneyLucky
[¿¼ÑÐ] 321Çóµ÷¼Á +9 ºÎÈó²É123 2026-03-18 11/550 2026-03-20 23:19 by JourneyLucky
[¿¼ÑÐ] Çóµ÷¼ÁÒ»Ö¾Ô¸ÄϾ©º½¿Õº½Ìì´óѧ289·Ö +3 @taotao 2026-03-19 3/150 2026-03-20 21:34 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
[¿¼ÑÐ] Çóµ÷¼Á +3 @taotao 2026-03-20 3/150 2026-03-20 19:35 by JourneyLucky
[¿¼ÑÐ] 0856µ÷¼Á£¬ÊÇѧУ¾ÍÈ¥ +8 sllhht 2026-03-19 9/450 2026-03-20 14:25 by ÎÞи¿É»÷111
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤Çóµ÷¼Á +6 Ð÷ÐÒÓë×Ó 2026-03-17 6/300 2026-03-19 13:27 by houyaoxu
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û