±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 266  |  »Ø¸´: 3
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£

À¶µÄÀ¶

ľ³æ (ÕýʽдÊÖ)

[½»Á÷] ¡¾ÇóÖú¡¿ÈçºÎÈ·¶¨¾ØÕóÖеÄij¸öÔªËØ

¶ÔÓÚÒ»¸öÈÎÒâµÄ¶þά¾ØÕó£¬ÔõÑù²ÅÄÜÕÒ³öÆäÖÐ×î½Ó½üÓë1µÄÔªËØµÄ´óС£¬Î»Öã¿
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

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

hitzhang

ľ³æ (ÕýʽдÊÖ)

¡ï ¡ï ¡ï ¡ï ¡ï
sunxiao(½ð±Ò+2,VIP+0):ÌæÂ¥Ö÷ллÈÈÐĵÄhitzhang£¬¹ÄÀø½»Á÷ 2-26 00:13
À¶µÄÀ¶(½ð±Ò+3,VIP+0):лл 2-26 08:07
>> a=randn(4)

a =

   -2.1707    0.5077    0.3803    0.0000
   -0.0592    1.6924   -1.0091   -0.3179
   -1.0106    0.5913   -0.0195    1.0950
    0.6145   -0.6436   -0.0482   -1.8740

>> id=abs(a-1)==min(abs(a(-1))

id =

     0     0     0     0
     0     0     0     0
     0     0     0     1
     0     0     0     0

>> [i j]=find(id==1)

i =

     3


j =

     4

>> a(i,j)

ans =

    1.0950

>>

[ Last edited by hitzhang on 2009-2-25 at 22:05 ]
2Â¥2009-02-25 21:59:43
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dnp

ÈÙÓþ°æÖ÷ (ÖªÃû×÷¼Ò)

Сľ³æÀË×Ó

ÓÅÐã°æÖ÷

¡ï ¡ï
sunxiao(½ð±Ò+2,VIP+0):Ð»Ð»Çø³¤µÄ²ÎÓ룬ϣÍû¾­³£¹âÁÙ£¬¹²Í¬Ìá¸ßÈËÆø 2-26 00:12
¶ÔÓÚÒ»¸ö¶þÔª¾ØÕó£¬×î½Ó½üÓÚ1µÄ»°£¬½«Õâ¸ö¾ØÕóÀïÃæµÄËùÓÐÔªËØ¶¼¼õÈ¥1£¬È»ºóÓÃminÃüÁîÕÒµ½¾ßÓÐ×îС¾ø¶ÔÖµµÄÄǸöÔªËØ¼´¿É£»

min(abs(A*))

Èç¹ûÊÇҪѰÕÒ´óÓÚ1ÖÐÄǸö×î½Ó½üÓÚ1µÄ£¬ÄÇÖ±½Ó²»Óþø¶ÔÖµ~~
What would Jesus do?
3Â¥2009-02-25 22:00:49
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hitzhang

ľ³æ (ÕýʽдÊÖ)

¡ï ¡ï ¡ï
sunxiao(½ð±Ò+3,VIP+0):лл»Ø´ð£¬»¶Ó­½»Á÷£¬¹²Í¬Ìá¸ß 2-26 00:11
»òÕß
>> a=randn(4)

a =

    0.6232    0.2120    1.0823   -0.6355
    0.7990    0.2379   -0.1315   -0.5596
    0.9409   -1.0078    0.3899    0.4437
   -0.9921   -0.7420    0.0880   -0.9499

>> b=a(abs(a-1)==min(abs(a(-1)))

b =

    0.9409

>> [i j]=find(a==b)

i =

     3


j =

     1

>>
4Â¥2009-02-25 22:10:49
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ À¶µÄÀ¶ µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Çóµ÷¼Á +6 Ë·Ë·»° 2026-04-02 7/350 2026-04-04 19:16 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 359Çóµ÷¼Á +7 hhhhaaaa$ 2026-04-04 7/350 2026-04-04 18:49 by imissbao
[¿¼ÑÐ] 272Çóµ÷¼Á +4 Ëɰس£Çà5 2026-04-03 4/200 2026-04-04 17:03 by babysonlkd
[¿¼ÑÐ] Çóµ÷¼Á +3 ũҵ¹¤³ÌÓëÐÅÏ¢¼ 2026-04-04 3/150 2026-04-04 12:19 by Éá¶øºóµÃ
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +11 ÎâèùÓ±£¡ 2026-04-03 11/550 2026-04-04 09:56 by ССÊ÷2024
[¿¼ÑÐ] 282Çóµ÷¼Á +20 ycy1201 2026-04-01 22/1100 2026-04-04 00:42 by userper
[¿¼ÑÐ] ²ÄÁÏר˶322·Ö +13 ¹þ¹þ¹þºðºðºð¹þ 2026-04-01 13/650 2026-04-03 16:08 by ŶŶ123
[¿¼ÑÐ] 334Çóµ÷¼Á +9 Trying] 2026-03-31 9/450 2026-04-03 15:18 by ×ÁçíØ¼
[¿¼ÑÐ] Çóµ÷¼Á²»Ìôרҵ +3 xrh030412 2026-04-01 3/150 2026-04-03 14:40 by µªÆøÆøÆø
[¿¼ÑÐ] 279Çóµ÷¼Á +6 qazplm0852 2026-04-02 6/300 2026-04-03 10:03 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 312 »¯¹¤»òÖÆÒ©µ÷¼Á +8 ССī123 2026-04-02 9/450 2026-04-03 09:12 by zhouxiaoyu
[¿¼ÑÐ] 326Çóµ÷¼Á +3 9ahye 2026-04-02 4/200 2026-04-03 08:43 by Jaylen.
[¿¼ÑÐ] 318Çóµ÷¼Á£¬¼ÆËã²ÄÁÏ·½Ïò +10 Îüß÷Óк¦óÏÃü 2026-04-01 11/550 2026-04-02 16:29 by oooqiao
[¿¼ÑÐ] һ־Ըͬ¼Ã´óѧ323·Ö£¨080500£©Çóµ÷¼Á +6 yikeniu 2026-04-01 6/300 2026-04-02 14:19 by smileboy2006
[¿¼ÑÐ] 085601Ò»Ö¾Ô¸ÖÐɽ´óѧÉîÛÚ²ÄÁϹ¤³Ì330Çóµ÷¼Á +8 pipiver 2026-03-30 8/400 2026-04-02 12:01 by ms629
[¿¼ÑÐ] 271Çóµ÷¼Á +15 ÀÕ²¼ÀÊ@ 2026-03-31 20/1000 2026-04-02 11:24 by Sammy2
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷½»´ó080500²ÄÁÏѧ˶349 +6 jqx1258 2026-03-31 7/350 2026-03-31 21:08 by yuq
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á +7 Ë«ÂíβƦÀϰå2 2026-03-31 7/350 2026-03-31 19:49 by Dyhoer
[¿¼ÑÐ] Ò»Ö¾Ô¸Öк£Ñó²ÄÁÏ357 +4 Âó¶÷Àò. 2026-03-30 4/200 2026-03-31 14:35 by ¼Çʱ¾2026
[¿¼ÑÐ] 266Çóµ÷¼Á +3 ÍÛºôºßºôºß 2026-03-29 3/150 2026-03-31 10:06 by cal0306
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û