24СʱÈÈÃŰæ¿éÅÅÐаñ    

²é¿´: 1098  |  »Ø¸´: 5

ÎÒÒª·É

Ìú³æ (ÕýʽдÊÖ)

[ÇóÖú] ¿ÉÒÔ·Ö½âÂð ÒÑÓÐ2È˲ÎÓë

Ò»¸öʵ¶Ô³ÆÕý¶¨¾ØÕó¿ÉÒÔ·Ö½âΪÁ½¸ö¶Ô³ÆÕý¶¨¾ØÕóµÄ³Ë»ýÂð
»Ø¸´´ËÂ¥
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zaq123321

ר¼Ò¹ËÎÊ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
One trivial decomposition A=EA, where E is identity matrix

[ ·¢×ÔÊÖ»ú°æ http://muchong.com/3g ]
Сľ³æ¸øÎÒÎÂů£¬¸øÎÒÏ£Íû£¬°®¾ÍÒª°®Ð¡Ä¾³æ¡£
2Â¥2015-10-02 19:17:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÎÒÒª·É

Ìú³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by zaq123321 at 2015-10-02 19:17:21
One trivial decomposition A=EA, where E is identity matrix

¿ÉÒÔ·Ö½âΪ£º
A=B^2µÄÕâÖÖÐÎʽÂð£¿
3Â¥2015-10-03 00:50:26
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Edstrayer

°æÖ÷ (ÖøÃûдÊÖ)

·½´ç¶·ÊÒСÌìµØÕýÆøÃÔÂþ´óÊÀ½ç

ÒýÓûØÌû:
3Â¥: Originally posted by ÎÒÒª·É at 2015-10-03 00:50:26
¿ÉÒÔ·Ö½âΪ£º
A=B^2µÄÕâÖÖÐÎʽÂð£¿...

¿ÉÒÔ¡£
Éè


͉˕
Ôò¿ÉÒÔÈ¡


͉˕




¾ÍÒ»¶¨ÓÐ
Çà´ÐËêÔÂÊ¥µ®Ò¹£¬ÀËÂþ¸èÎèÓ­ÐÂÄê¡£
4Â¥2015-10-03 05:35:32
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Edstrayer

°æÖ÷ (ÖøÃûдÊÖ)

·½´ç¶·ÊÒСÌìµØÕýÆøÃÔÂþ´óÊÀ½ç

Çà´ÐËêÔÂÊ¥µ®Ò¹£¬ÀËÂþ¸èÎèÓ­ÐÂÄê¡£
5Â¥2015-10-05 01:27:04
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

shenyxtata

½ð³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

ÒýÓûØÌû:
3Â¥: Originally posted by ÎÒÒª·É at 2015-10-03 00:50:26
¿ÉÒÔ·Ö½âΪ£º
A=B^2µÄÕâÖÖÐÎʽÂð£¿...

¿ÉÒÔ¡£ÏÈÇóAµÄÌØÕ÷Öµlambda_i¼°ÌØÕ÷ÏòÁ¿n_i£¨¹éÒ»»¯£©¡£È»ºóÁî
B = sum_i sqrt(lambda_i) * n_i * n_i^T
6Â¥2015-10-06 15:30:55
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ÎÒÒª·É µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[»ù½ðÉêÇë] ºÅÍâºÅÍâ +11 GZUZM 2026-08-24 11/550 2026-08-24 19:48 by µ±¸öºÃÀÏʦ
[»ù½ðÉêÇë] filecode£¬4¸öjtjcÁË +14 ziyangfang 2026-08-19 17/850 2026-08-24 18:37 by ¹þ¹þ¸ò£¿
[»ù½ðÉêÇë] ÈËÆø²»ÐÐÁË +9 fansofjerry 2026-08-21 9/450 2026-08-24 17:48 by zhaozhengxin
[»ù½ðÉêÇë] ½¨Òé»ù½ð·¢²¼Ìáǰ¸ø³öÃ÷È·µÄʱ¼äµã +13 kulium 2026-08-21 16/800 2026-08-24 16:27 by superceng
[»ù½ðÉêÇë] ½ñÈÕ²»·Å°ñ£¿Íø´«¹ú×ÔȻԤ¼Æ 8 Ô 27 Èտɲé½á¹û +17 ҽѧÀÏÄк¢ 2026-08-20 21/1050 2026-08-24 14:21 by refreshing11
[»ù½ðÉêÇë] ¹À¼ÆÊÇÖÜËÄ +4 archvillain 2026-08-18 4/200 2026-08-24 13:53 by zzuzxg
[»ù½ðÉêÇë] ÎÒÃæÉÏÍêµ°ÁË +8 ÇÒÌý»¢Ð¥ 2026-08-20 9/450 2026-08-24 13:52 by zzuzxg
[»ù½ðÉêÇë] ·¶½øÖоÙÒ»ÎĵÄÖÐÐÄ˼Ïë +6 Ñ׻ƹóëÐ 2026-08-22 7/350 2026-08-24 11:58 by 6543yes
[»ù½ðÉêÇë] ÅóÓÑȦ¿´µ½µÄ +7 wangzilk 2026-08-18 9/450 2026-08-24 10:50 by cmrandy
[»ù½ðÉêÇë] ÈÃÎÒÖÐÒ»¸öÃæÉϰɣ¡ +13 ´óƼ1987 2026-08-20 16/800 2026-08-24 10:23 by ̫ɵÁË
[»ù½ðÉêÇë] ·Å°ñǰµÄ²»µ­¶¨ 20+4 snowwithsea 2026-08-19 17/850 2026-08-24 10:20 by echo8914667
[»ù½ðÉêÇë] ¿ÆÑй¶ùÌ«ÄÑÁË +18 ÎÒ4´ó°×²Ë 2026-08-20 19/950 2026-08-24 09:47 by ¿­¶÷¹ãÊ¢´ß»¯·ÖÎ
[»ù½ðÉêÇë] Ã÷ÌìÓ¦¸Ã¿É²éÁË£¡£¿ +4 chengyan1220 2026-08-23 4/200 2026-08-24 08:47 by gloomy6159
[»ù½ðÉêÇë] 2026ÄêµÄ¹ú¼ÒÉç¿Æ»ù½ðÏîĿͨѶÆÀÉóµÄйæÔòÓëж¯Ïò¡¢ÐÂÌôÕ½ +4 process2012 2026-08-23 5/250 2026-08-23 19:58 by jurkat.1640
[»ù½ðÉêÇë] ½ñÌì·Å°ñÂ𣿠+15 ²¼²¼ºÍÒ»¶þ 2026-08-19 16/800 2026-08-23 09:55 by ÕÅ´ºÉú
[»ù½ðÉêÇë] Ö»ÓÐÿÄêÕâÖÖʱºòÀ´¹ä¹äСľ³æ +24 yaoyewhu2008 2026-08-20 26/1300 2026-08-22 17:43 by kammury
[»ù½ðÉêÇë] ʱ¼ä´ÁÓÖ±äÁË +13 wuchongjun 2026-08-20 19/950 2026-08-21 17:21 by ×Ïɼ´¼
[ÂÛÎÄͶ¸å] Ͷ¸å×Éѯ +5 wwm09 2026-08-17 7/350 2026-08-21 10:11 by ÆÚ¿¯ÂÛÎİïÊÖ
[»ù½ðÉêÇë] ÖØÒªÏûÏ¢£¬ÖÐÎçϵͳÔÚά»¤ +11 yuleib84 2026-08-18 12/600 2026-08-20 11:09 by xskun
[»ù½ðÉêÇë] ½ñÌìά»¤ÏµÍ³Î¬»¤ ×£ËùÓÐÈË ¸ßÖÐ +8 gjjjzhong 2026-08-18 9/450 2026-08-18 13:01 by ¼ÒÓëÔ¶·½
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û