±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1745  |  »Ø¸´: 5
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

fei2009xue

Ìú³æ (ÕýʽдÊÖ)

[ÇóÖú] ¡¾ÇóÖú¡¿matlabº¬²ÎÊýµÄ¸´ÊýÐÐÁÐʽµÄÇó½â

Çë¸÷λ°ïæÇó½âÕâÑùµÄÎÊÌ⣺
A=[ 2*x*exp(i*4*x)   3
      exp(i*2*x)          i*x];  
xµÄ·¶Î§[0,20]
Çó½âxµÄֵʹdet(A)=0£¬×¢Ò⣺det(A)ÊǸ´Êý,Óöþ·Ö·¨µÄ»°Ó¦¸ÃÒª¿¼ÂÇy=det(A)µÄʵ²¿±äºÅ¡¢Ð鲿±äºÅµÄÇé¿ö¡£¸Õ½Ó´¥matlab£¬Çó¸ßÊÖ°ïæ°¡£¡£¡£¡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

lxandlzy

гæ (³õÈëÎÄ̳)

Â¥Ö÷£¬ÇëÎÊÄã½â¾öÁËÂð£¿ÎÒÒ²Óöµ½Í¬ÑùÎÊÌâÁË£¬ÇóÖ¸½Ì
6Â¥2018-06-22 15:01:59
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 6 ¸ö»Ø´ð

wbr1988

½ð³æ (ÕýʽдÊÖ)

²»»á...
°ï¶¥Æð...
2Â¥2012-04-16 16:36:00
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

fei2009xue

Ìú³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by wbr1988 at 2012-04-16 16:36:00:
²»»á...
°ï¶¥Æð...

лл£¡£¡£¡
3Â¥2012-04-16 20:40:13
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

cars

½ð³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
fei2009xue: ½ð±Ò+15, ¡ïÓаïÖú 2012-04-19 21:41:31
ΪʲôҪÓÃmatlabÄØ£¬ÕâÊǸö¸ßÖÐÊýѧÌâ°É
det(A)=0¼´2ix^2*exp(i*4x)=3exp(i*2x)
¼´2x^2*exp(i*(4x+pi/2))=3exp(i*2x)
Á½¸ö¸´ÊýÏàµÈÒªÇóÄ£ÏàµÈÏàλÏàµÈ£¬¼´
2x^2=3;4x+pi/2=2x+2*k*pi;
Õâ¸ö·½³Ì×éÎ޽⣬
Òò´Ë²»´æÔÚxʹdet(A)=0¡£
4Â¥2012-04-18 12:33:02
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 285Çóµ÷¼Á +8 AZMK 2026-04-05 13/650 2026-04-07 08:14 by xihu1109
[¿¼ÑÐ] 318Çóµ÷¼Á +12 ykyhsa 2026-04-05 14/700 2026-04-06 17:46 by fuyu_
[¿¼ÑÐ] 385·Ö ÉúÎïѧ£¨071000£©Çóµ÷¼Á +12 qf626 2026-04-01 12/600 2026-04-06 17:36 by 52305043001
[¿¼ÑÐ] Çóµ÷¼Á +11 ÐܶþÏëÉϰ¶ 2026-04-04 11/550 2026-04-05 22:21 by ×íÎÌwl
[¿¼ÑÐ] 322Çóµ÷¼Á +3 àźߺߺã 2026-04-05 3/150 2026-04-05 19:52 by nepu_uu
[¿¼ÑÐ] ¹¤¿Æ08-»úеר˶-Çóµ÷¼Á +3 À×Å··ÉÌß 2026-04-02 3/150 2026-04-05 18:49 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 0854Çóµ÷¼Á +4 assdll 2026-04-04 4/200 2026-04-05 09:44 by zhq0425
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +10 ÀÁÑòÑòÇáÖÃÓñÍÎ 2026-04-02 11/550 2026-04-04 21:56 by laoshidan
[¿¼ÑÐ] 085601£¬Ò»Ö¾Ô¸Ïôó334¸´ÊÔ±»Ë¢Çóµ÷¼Á +13 ÔøÑöÖ® 2026-04-03 15/750 2026-04-04 20:13 by dongzh2009
[¿¼ÑÐ] [µ÷¼ÁÐÅÏ¢]085408¹âµçÐÅÏ¢ Çóµ÷¼Á ×Ü·Ö291·ÖÊýÒ»Ó¢Ò» +3 iz11az 2026-04-02 3/150 2026-04-04 19:09 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 359Çóµ÷¼Á +7 hhhhaaaa$ 2026-04-04 7/350 2026-04-04 18:49 by imissbao
[¿¼ÑÐ] 317·Ö Ò»Ö¾Ô¸½­ÄÏ´óѧ »¯Ñ§¹¤³Ìѧ˶ Çóµ÷¼Á +6 YinTai 2026-04-03 6/300 2026-04-03 22:30 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 357Çóµ÷¼Á +13 1050389037 2026-04-03 13/650 2026-04-03 22:27 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] µ÷¼Á +5 asdasdassda 2026-04-03 6/300 2026-04-03 20:27 by °¶ÉϵÄÒ»ÌõÓã
[¿¼ÑÐ] 262Çóµ÷¼Á +6 ÀøÖ¾Ò»¶¨·¢ÎÄÕ 2026-04-02 7/350 2026-04-03 09:54 by linyelide
[¿¼ÑÐ] 326Çóµ÷¼Á +10 áÌáÌ×Ð 2026-04-02 10/500 2026-04-03 09:08 by ÅÁ¶ûÂíÀ­ÌØ
[¿¼ÑÐ] 314Çóµ÷¼Á +11 1xiaojun23 2026-03-31 12/600 2026-04-02 12:31 by 1xiaojun23
[¿¼ÑÐ] ÉúÎïѧ327£¬Çóµ÷¼Á +5 ÊéÉϵÄ÷×Ó 2026-04-01 6/300 2026-04-02 06:47 by ilovexiaobin
[¿¼ÑÐ] 304Çóµ÷¼Á +12 ËØÄê¼ÀÓï 2026-03-31 15/750 2026-04-01 22:41 by peike
[¿¼ÑÐ] °²È«¹¤³Ì 285 Çóµ÷¼Á +3 Xinyu56 2026-04-01 4/200 2026-04-01 21:50 by ¾²¾²¾²¾²¾²¾²¾²¾
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û