²é¿´: 1721  |  »Ø¸´: 10
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

aixilin

гæ (СÓÐÃûÆø)

[ÇóÖú] ÈôÒÑÖªÉÏÈý½Ç¾ØÕóUºÍÏÂÈý½Ç¾ØÕóLÂú×ã L¡®*L = U¡¯*U£¬ÈçºÎÓÐЧµÄͨ¹ýLÇóU

ÈçÌ⣬ÈôÒÑÖªÉÏÈý½Ç¾ØÕóUºÍÏÂÈý½Ç¾ØÕóLÂú×ã L¡®*L = U¡¯*U£¬ÈçºÎÓÐЧµÄͨ¹ýLÇó³öU£¿

P.S. ÎÒÒѾ­ÖªµÀ¿ÉÒÔͨ¹ýMATLABÖеÄQR·Ö½âÀ´¼ÆË㣺U=QR£¨L£©£¬µ«ÊÇQR·Ö½âÕë¶ÔµÄÒ»°ã¾ØÕó£¬ËùÒÔ¼ÆË㸴ÔÓ¶ÈÊÇO£¨N^3£©,ÕâÀïN ÊǾØÕóLµÄάÊý¡£ÓÉÓÚLÊÇÈý½Ç¾ØÕó£¬ÎÒÔÚÏëÊÇ·ñ´æÔÚÒ»ÖÖ¸ü¿ìËٵļÆËã·½·¨£¬±ÈÈ縴ÔÓ¶ÈΪO£¨N^2£©µÄ½â¾ö·½·¨¡£

Êýѧ֪ʶÓÐÏÞ£¬¾´Çë´ó¼Ò°ïæ¸øµã½¨Òé¡£¡£Ð»Ð»£¡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

aixilin

гæ (СÓÐÃûÆø)

ÒýÓûØÌû:
Originally posted by sskkyy at 2011-07-12 03:43:02:
L'ÊÇʲô£¿ÊÇLµÄתÖû¹ÊÇÁíÍâÒ»¸öÏÂÈý½Ç¾ØÕ󣿻¹ÓÐu¡®ÄØ£¿

L'¬OLªºÂà¸m. U'¬OUªºÂà¸m.
4Â¥2011-07-12 06:55:04
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 11 ¸ö»Ø´ð

sskkyy

Òø³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

L'ÊÇʲô£¿ÊÇLµÄתÖû¹ÊÇÁíÍâÒ»¸öÏÂÈý½Ç¾ØÕ󣿻¹ÓÐu¡®ÄØ£¿
2Â¥2011-07-12 03:43:02
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

aixilin

гæ (СÓÐÃûÆø)

ÒýÓûØÌû:
Originally posted by sskkyy at 2011-07-12 03:43:02:
L'ÊÇʲô£¿ÊÇLµÄתÖû¹ÊÇÁíÍâÒ»¸öÏÂÈý½Ç¾ØÕ󣿻¹ÓÐu¡®ÄØ£¿

L'©MU'³£¬OÂà¸m¯x°}¡C
3Â¥2011-07-12 06:50:23
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

aixilin

гæ (СÓÐÃûÆø)

СÓêÃÈÃÈ: ÔÚ»ðÐÇ£¿±íŪ»ðÐÇÎİ¡~ 2011-07-12 08:53:09
L'¬OLªºÂà¸m. U'¬OUªºÂà¸m.
5Â¥2011-07-12 07:01:21
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 307Çóµ÷¼Á +10 ÀäóÏ123 2026-03-17 10/500 2026-03-21 01:54 by JourneyLucky
[¿¼ÑÐ] 324·Ö 085600²ÄÁÏ»¯¹¤Çóµ÷¼Á +4 llllkkkhh 2026-03-18 4/200 2026-03-21 01:24 by JourneyLucky
[¿¼ÑÐ] ҩѧ383 Çóµ÷¼Á +3 ҩѧchy 2026-03-15 5/250 2026-03-20 22:11 by ÔÆÓÎÖØÑô
[¿¼ÑÐ] Ò»Ö¾Ô¸ËÕÖÝ´óѧ²ÄÁÏÇóµ÷¼Á£¬×Ü·Ö315£¨Ó¢Ò»£© +5 sbdksD 2026-03-19 5/250 2026-03-20 22:10 by luoyongfeng
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖÐÄÏ»¯Ñ§£¨0703£©×Ü·Ö337Çóµ÷¼Á +8 niko- 2026-03-19 9/450 2026-03-20 21:57 by luoyongfeng
[¿¼ÑÐ] AÇøÏß²ÄÁÏѧµ÷¼Á +5 ÖÜÖÜÎÞ¼« 2026-03-20 5/250 2026-03-20 21:33 by laoshidan
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷ÄϽ»Í¨ ר˶ ²ÄÁÏ355 ±¾¿ÆË«·Ç Çóµ÷¼Á +5 Î÷ÄϽ»Í¨×¨²Ä355 2026-03-19 5/250 2026-03-20 21:10 by JourneyLucky
[¿¼ÑÐ] ±¾ÈË¿¼085602 »¯Ñ§¹¤³Ì ר˶ +19 ²»ÖªµÀ½Ðʲô£¡ 2026-03-15 21/1050 2026-03-20 20:48 by zhukairuo
[¿¼ÑÐ] Çóµ÷¼Á +5 Mqqqqqq 2026-03-19 5/250 2026-03-20 20:46 by zhukairuo
[¿¼ÑÐ] ²ÄÁÏѧÇóµ÷¼Á +4 Stella_Yao 2026-03-20 4/200 2026-03-20 20:28 by ms629
[¿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] ¹¤¿Æ²ÄÁÏ085601 279Çóµ÷¼Á +7 À§ÓÚÐdz¿ 2026-03-17 9/450 2026-03-20 17:38 by ÎÞи¿É»÷111
[¿¼ÑÐ] 081700»¯¹¤Ñ§Ë¶µ÷¼Á +3 ¡¾1¡¿ 2026-03-16 3/150 2026-03-19 23:40 by edmund7
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á +4 z1z2z3879 2026-03-14 6/300 2026-03-19 17:18 by fei626-918
[¿¼ÑÐ] Ò»Ö¾Ô¸Ìì½ò´óѧ»¯Ñ§¹¤ÒÕרҵ£¨081702£©315·ÖÇóµ÷¼Á +11 yangfz 2026-03-17 11/550 2026-03-19 15:06 by houyaoxu
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤Çóµ÷¼Á +6 Ð÷ÐÒÓë×Ó 2026-03-17 6/300 2026-03-19 13:27 by houyaoxu
[¿¼ÑÐ] 334Çóµ÷¼Á +3 Ö¾´æ¸ßÔ¶ÒâÔÚ»úÐ 2026-03-16 3/150 2026-03-18 08:34 by lm4875102
[¿¼ÑÐ] 326Çóµ÷¼Á +5 Éϰ¶µÄСÆÏ 2026-03-15 6/300 2026-03-17 17:26 by ruiyingmiao
[¿¼ÑÐ] ¶«ÄÏ´óѧ364Çóµ÷¼Á +5 JasonYuiui 2026-03-15 5/250 2026-03-16 21:28 by ľ¹Ï¸à
[¿¼ÑÐ] 326Çóµ÷¼Á +3 mlpqaz03 2026-03-15 3/150 2026-03-16 07:33 by Iveryant
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û