²é¿´: 2537  |  »Ø¸´: 7
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

_kdh

Òø³æ (ÕýʽдÊÖ)

[ÇóÖú] ¹ØÓÚ¾ØÕóÆ×·¶ÊýµÄ²»µÈʽÔõô֤Ã÷£¿ ÒÑÓÐ1È˲ÎÓë


»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

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

_kdh

Òø³æ (ÕýʽдÊÖ)

3Â¥2015-12-03 12:26:58
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 8 ¸ö»Ø´ð

_kdh

Òø³æ (ÕýʽдÊÖ)

4Â¥2015-12-03 12:35:28
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hank612

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

¡ï ¡ï
_kdh(Edstrayer´ú·¢): ½ð±Ò+2 2015-12-14 03:49:27
¾ØÕó·¶Êý¶àÖÖ¶àÑù, Æ©Èç http://www.math.wm.edu/~ckli/ima/note-3.pdf Óи÷ÖÖ·¶Êý, ÎÒ²»Çå³þÄãµÄÃüÌâ ÊÇ·ñʼÖÕ³ÉÁ¢. ¿É·ñ¸ø³öÎÄÏ׳ö´¦ÄØ?

ÎÒÔÚÍøÉÏÖ»Ëѵ½¹ØÓÚFrobenius·¶Êý,¡¡ÄãµÄÃüÌâÊdzÉÁ¢µÄ£¬Ïê¼ûÏÂͼ.
¹ØÓÚ¾ØÕóÆ×·¶ÊýµÄ²»µÈʽÔõô֤Ã÷£¿
matrix norm.png

We_must_know. We_will_know.
5Â¥2015-12-10 08:26:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wurongjun

ר¼Ò¹ËÎÊ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï
_kdh(Edstrayer´ú·¢): ½ð±Ò+2 2015-12-14 03:49:48
ÄãµÄ¦ÎÊÇʲô¦Î=2×ÔÈ»³ÉÁ¢£¡
µ«ÊÇÆäËüÇé¿ö²»Ò»¶¨³ÉÁ¢£¡
±ÈÈ磺¦Î=1ʱ
>> A

A =

    16     2     3    13
     5    11    10     8
     9     7     6    12
     4    14    15     1

>> B

B =

    1.0000    0.5000    0.3333    0.2500
    0.5000    0.3333    0.2500    0.2000
    0.3333    0.2500    0.2000    0.1667
    0.2500    0.2000    0.1667    0.1429

>> C

C =

   21.2500   12.0167    8.6000    6.7571
   15.8333   10.2667    7.7500    6.2595
   17.5000   10.7333    7.9500    6.3643
   16.2500   10.6167    8.0000    6.4429

>> [norm(C,1) norm(A,1)*norm(B,2)]

ans =

   70.8333   51.0073
ÉÆ¶ñµ½Í·ÖÕÓб¨,È˼äÕýµÀÊDz×É£.
6Â¥2015-12-10 17:53:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤µ÷¼Á +6 A-¶ßÀ²ZÃÎ 2026-03-23 11/550 2026-03-23 19:57 by pswait
[¿¼ÑÐ] 328Çóµ÷¼Á£¬Ó¢ÓïÁù¼¶551£¬ÓпÆÑо­Àú +7 ÉúÎ﹤³Ìµ÷¼Á 2026-03-17 12/600 2026-03-23 18:18 by YMUÊ©ÀÏʦ
[¿¼ÑÐ] 291 Çóµ÷¼Á +4 »¯¹¤2026½ì±ÏÒµÉ 2026-03-21 5/250 2026-03-23 16:46 by »¯¹¤2026½ì±ÏÒµÉ
[¿¼ÑÐ] 276Çóµ÷¼Á¡£ÓаëÄêµç³ØºÍ°ëÄê¸ß·Ö×Óʵϰ¾­Àú +8 ²ÄÁÏѧ257Çóµ÷¼Á 2026-03-23 9/450 2026-03-23 13:01 by ztnimte
[¿¼ÑÐ] 298Çóµ÷¼Á +8 Éϰ¶6666@ 2026-03-20 8/400 2026-03-23 11:02 by laoshidan
[¿¼ÑÐ] Ò»Ö¾Ô¸¶«»ª´óѧ»¯Ñ§070300£¬Çóµ÷¼Á +7 2117205181 2026-03-21 8/400 2026-03-22 22:55 by chixmc
[¿¼ÑÐ] 287Çóµ÷¼Á +8 ³¿»èÏßÓëÐǺ£ 2026-03-19 9/450 2026-03-22 17:01 by i_cooler
[¿¼ÑÐ] 311Çóµ÷¼Á +3 26ÑÐ0 2026-03-20 3/150 2026-03-22 14:46 by ColorlessPI
[¿¼ÑÐ] Ò»Ö¾Ô¸±±¾©»¯¹¤´óѧ070300 ѧ˶336Çóµ÷¼Á +5 vvÃÔ 2026-03-21 8/400 2026-03-22 14:20 by ColorlessPI
[¿¼ÑÐ] 286·ÖÈ˹¤ÖÇÄÜרҵÇëÇóµ÷¼ÁÔ¸Òâ¿ç¿¼£¡ +4 lemonzzn 2026-03-17 8/400 2026-03-21 22:49 by lemonzzn
[¿¼ÑÐ] »¯Ñ§µ÷¼Á +5 yzysaa 2026-03-21 5/250 2026-03-21 22:12 by peike
[¿¼ÑÐ] ²ÄÁÏ 271Çóµ÷¼Á +5 Õ¹ÐÅÔÃ_ 2026-03-21 5/250 2026-03-21 17:29 by ѧԱ8dgXkO
[¿¼ÑÐ] 265Çóµ÷¼Á +12 ÁºÁºÐ£Ð£ 2026-03-19 14/700 2026-03-21 13:38 by lature00
[¿¼ÑÐ] 265Çóµ÷¼Á +3 Jack?k?y 2026-03-17 3/150 2026-03-21 03:17 by JourneyLucky
[¿¼ÑÐ] ²ÄÁϹ¤³Ì£¨×¨£©Ò»Ö¾Ô¸985 ³õÊÔ335Çóµ÷¼Á +3 hiloiy 2026-03-17 4/200 2026-03-21 03:04 by JourneyLucky
[¿¼ÑÐ] 295Çóµ÷¼Á +4 Ò»Ö¾Ô¸¾©Çø211 2026-03-18 6/300 2026-03-20 23:41 by JourneyLucky
[¿¼ÑÐ] 304Çóµ÷¼Á +7 ˾¿Õ. 2026-03-18 7/350 2026-03-20 23:08 by JourneyLucky
[¿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] Ò»Ö¾Ô¸Öйúº£Ñó´óѧ£¬ÉúÎïѧ£¬301·Ö£¬Çóµ÷¼Á +5 1ËïÎò¿Õ 2026-03-17 6/300 2026-03-19 23:46 by zcl123
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤Çóµ÷¼Á +6 Ð÷ÐÒÓë×Ó 2026-03-17 6/300 2026-03-19 13:27 by houyaoxu
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û