±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1743  |  »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] 362Çóµ÷¼Á +5 ÎÒÒª¿¼´ó 2026-04-06 7/350 2026-04-06 21:27 by à£à£à£0119
[¿¼ÑÐ] 26×ÔÈ»µØÀíѧ303·ÖÇóµ÷¼Á +4 Ò»Õ½³É˶°¡°¡°¡° 2026-04-06 9/450 2026-04-06 20:35 by lin-da
[¿¼ÑÐ] 301Çóµ÷¼Á +7 ϸ°ûÏà¹Øµ°°× 2026-04-03 7/350 2026-04-06 11:47 by lijunpoly
[¿¼ÑÐ] 319·Ö085702°²È«¹¤³ÌÇóµ÷¼Á +4 rious 2026-04-05 4/200 2026-04-06 11:08 by ¾²¾²¾²¾²¾²¾²¾²¾
[¿¼ÑÐ] 0855Çóµ÷¼Á²ÄÁÏ +11 ºìÌÒׯׯ 2026-04-04 12/600 2026-04-06 10:26 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 0857´óÀà»·¾³¹¤³ÌBÇøÇóµ÷¼Á +3 ¹¨ÓíÃú 2026-04-05 3/150 2026-04-06 10:22 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Ò»Ö¾Ô¸9²ÄÁÏѧ˶297ÒѹýÁù¼¶Çóµ÷¼ÁÍÆ¼ö +11 adaie 2026-04-04 12/600 2026-04-05 19:04 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 085500»úеר˶³õÊÔ288Çóµ÷¼Á +3 GZJguo666- 2026-04-05 3/150 2026-04-05 18:06 by jkddd
[¿¼ÑÐ] ¹¤¿Æ08ר˶»úе275Çóµ÷¼Á +3 AaAa7420 2026-04-02 3/150 2026-04-05 13:26 by jp9609
[¿¼ÑÐ] 085400µç×ÓÐÅÏ¢319Çóµ÷¼Á£¨½ÓÊÜ¿çרҵµ÷¼Á£© +5 ÐÇÐDz»Õ£ÑÛà¶ 2026-04-03 6/300 2026-04-04 21:50 by hemengdong
[¿¼ÑÐ] 325Çóµ÷¼Á +4 ´º·ç²»½èÒâ 2026-04-04 4/200 2026-04-04 14:46 by ÏæÅ©´¢ÄܲÄÁÏ
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á +6 ·¶¸ùÅà 2026-04-04 6/300 2026-04-04 14:27 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] Çóµ÷¼Á +3 ũҵ¹¤³ÌÓëÐÅÏ¢¼ 2026-04-04 3/150 2026-04-04 12:19 by Éá¶øºóµÃ
[¿¼ÑÐ] »¯¹¤µ÷¼Á303·Ö£¬¹ýËļ¶ +28 ÆÜÎà´ý·ç 2026-04-02 28/1400 2026-04-03 21:40 by qlm5820
[¿¼ÑÐ] 081200-11408-276ѧ˶Çóµ÷¼Á +6 ´Þwj 2026-04-02 6/300 2026-04-03 10:19 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 348Çóµ÷¼Á +11 zzzzyk123 2026-04-01 11/550 2026-04-02 16:52 by Wang200018
[¿¼ÑÐ] 266Çóµ÷¼Á +4 ѧԱ97LZgn 2026-04-02 4/200 2026-04-02 13:03 by yulian1987
[¿¼ÑÐ] 0856³õÊÔ324·ÖÇóµ÷¼Á +6 ÏëÉÏѧÇóµ÷ 2026-04-01 6/300 2026-04-02 11:42 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] »¯Ñ§¹¤³Ìר˶324·Ö£¬Ò»Ö¾Ô¸Öйú¿óÒµ´óѧÇóµ÷¼Á +7 ¹¢¹¢1314 2026-04-01 7/350 2026-04-02 07:40 by ÉÐË®¸óÖ÷
[¿¼ÑÐ] Çóµ÷¼Á£ºÒ»Ö¾Ô¸£ºÄϾ©´óѧ רҵ£º0705 ×Ü·Ö320 £¬±¾¿Æ985£¬ËÄÁù¼¶Òѹý +3 lfy760306 2026-03-31 3/150 2026-04-01 01:57 by Creta
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û