Znn3bq.jpeg
²é¿´: 1949  |  »Ø¸´: 14
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

Fanny675

Í­³æ (³õÈëÎÄ̳)

[ÇóÖú] ÓÃMATLABÇó½âÒ»¸ö³¬Ô½·½³Ì ÒÑÓÐ1È˲ÎÓë

tan£¨k*L£©=£¨k*L)/[1+N/(N-1)^2*(k*L)^2]ÎÒÕûÀí·½³ÌµÃµ½ÁËÕâÖÖ·½³Ì£¬²»»á½â  Âé·³¸ßÊÖÃǰÑMatlab³ÌÐòµÈ½âÌâ¹ý³ÌдµÄÏêϸһЩ£¡Ð»Ð»£¡ÎÒ×îºóÒªÇóµÄ½á¹ûÊÇk*L=?

ÓÃMATLABÇó½âÒ»¸ö³¬Ô½·½³Ì
1.jpg
»Ø¸´´ËÂ¥

» ÊÕ¼±¾ÌûµÄÌÔÌûר¼­ÍƼö

matlab±à³Ì»æÍ¼

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

Fanny675

Í­³æ (³õÈëÎÄ̳)

ÒýÓûØÌû:
4Â¥: Originally posted by ÔÂÖ»À¶ at 2015-08-12 12:20:07
x±íʾ k*L£¬x^2¼´£¨k*L)^2¡£
ÄãÈô²»ÐÅ£¬°Ñ k*L=0.5198´ú»Ø·½³ÌÁ½±ß£¬¿´Á½±ßÏàµÈ²»¡£

´ËÍ⣬Äã¸ø³öµÄ·½³Ì ¡°tan£¨k*L£©=£¨k*L)/[1+N/(N-1)^2*(k*L)^2 ¡± ºÍÄãͼƬÖиø³öµÄ²»Ò»Ö£¬Õâ¸öÐèÒªÄãºË¶Ô¡£

ÎÒÊǰ´ÕÕ ...

ͼƬÖеķ½³ÌÊǶԵÄ
6Â¥2015-08-12 12:30:33
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 15 ¸ö»Ø´ð

ÔÂÖ»À¶

Ö÷¹ÜÇø³¤ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
³ÌÐòÖÐÒÔx±íʾk*L£¬ÓÉÓÚÄãûÓиø³öNµÄÊýÖµ£¬ÎÒ¾ÍÒÔn=1.5ΪÀý£¬´úÂëÈçÏ£º
CODE:
>> n=1.5;
>> [x fval]=fsolve(@(x) tan(x)-  n/(1+x^2*n/((n-1)^2)  ),0)

¼ÆËã½á¹û£º
½âx =

    0.5198


·½³Ì²Ð²îfval =

-2.7154e-011

Â¥Ö÷ÐèҪעÒâµÄÊÇ£¬tanÊÇÖÜÆÚÐÔº¯Êý£¬¸ø³ö²»Í¬µÄ³õÖµ£¬½«µÃµ½²»Í¬µÄ½â£¬ÉÏÊö´úÂëÊÇÇóµÃx=0µã¸½½üµÄ½â¡£
MATLAB¡¢MSСÎÊÌâ¡¢ÆÕͨÎÊÌâÇë·¢ÌûÇóÖú£¡Ê±¼ä¾«Á¦ÓÐÏÞ£¬Ë¡²»½ÓÊÜÎÞ³¥Ë½ÐÅÇóÖú¡£
2Â¥2015-08-12 11:25:56
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Fanny675

Í­³æ (³õÈëÎÄ̳)

ÒýÓûØÌû:
2Â¥: Originally posted by ÔÂÖ»À¶ at 2015-08-12 11:25:56
³ÌÐòÖÐÒÔx±íʾk*L£¬ÓÉÓÚÄãûÓиø³öNµÄÊýÖµ£¬ÎÒ¾ÍÒÔn=1.5ΪÀý£¬´úÂëÈçÏ£º
>> n=1.5;
>> =fsolve(@(x) tan(x)-  n/(1+x^2*n/((n-1)^2)  ),0)

¼ÆËã½á¹û£º
½âx =

    0.5198


·½³Ì²Ð²îfval = ...

Äã°Ñ·½³ÌŪ´íÁË£¬¶ªµôÁË£¨k*L)^2
3Â¥2015-08-12 12:14:44
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÔÂÖ»À¶

Ö÷¹ÜÇø³¤ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

ÒýÓûØÌû:
3Â¥: Originally posted by Fanny675 at 2015-08-12 12:14:44
Äã°Ñ·½³ÌŪ´íÁË£¬¶ªµôÁË£¨k*L)^2...

x±íʾ k*L£¬x^2¼´£¨k*L)^2¡£
ÄãÈô²»ÐÅ£¬°Ñ k*L=0.5198´ú»Ø·½³ÌÁ½±ß£¬¿´Á½±ßÏàµÈ²»¡£

´ËÍ⣬Äã¸ø³öµÄ·½³Ì ¡°tan£¨k*L£©=£¨k*L)/[1+N/(N-1)^2*(k*L)^2 ¡± ºÍÄãͼƬÖиø³öµÄ²»Ò»Ö£¬Õâ¸öÐèÒªÄãºË¶Ô¡£

ÎÒÊǰ´ÕÕÄãͼƬÖиø³öµÄ·½³Ì±àдµÄ¡£
MATLAB¡¢MSСÎÊÌâ¡¢ÆÕͨÎÊÌâÇë·¢ÌûÇóÖú£¡Ê±¼ä¾«Á¦ÓÐÏÞ£¬Ë¡²»½ÓÊÜÎÞ³¥Ë½ÐÅÇóÖú¡£
4Â¥2015-08-12 12:20:07
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 304Çóµ÷¼Á +6 castLight 2026-04-16 6/300 2026-04-17 10:34 by Ò»ÇÐOK
[ÂÛÎÄͶ¸å] ÓÐûÓнÓÊձȽϿìµÄsciÆÚ¿¯Ñ½£¬×îºÃÔÚÒ»¸öÔÂÖ®Äڵģ¬ÑÐÈýº¢×ÓÇó±ÏÒµ 20+4 Ö®»¤×Å 2026-04-16 5/250 2026-04-17 10:02 by bobvan
[¿¼ÑÐ] 22408 312Çóµ÷¼Á +23 ÃÅ·ÃþÃþ 2026-04-14 25/1250 2026-04-16 21:21 by Art1977
[¿¼ÑÐ] 297£¬¹¤¿Æµ÷¼Á? +10 ºÓÄÏũҵ´óѧ-ÄÜ 2026-04-14 10/500 2026-04-15 21:50 by noqvsozv
[¿¼ÑÐ] 0854µ÷¼Á +13 ³¤¹­°Á 2026-04-12 16/800 2026-04-15 13:45 by fenglj492
[¿¼ÑÐ] 297¹¤¿Æµ÷¼Á? +14 ºÓÄÏũҵ´óѧ-ÄÜ 2026-04-13 15/750 2026-04-15 13:25 by ºÚ¿Æ¼¼¿óÒµ
[¿¼ÑÐ] ¿¼Ñе÷¼Á +13 ³¤¹­°Á 2026-04-13 14/700 2026-04-14 14:44 by zs92450
[¿¼ÑÐ] 245Çóµ÷¼Á +6 ±ùÌÇéÙ?ÆûË® 2026-04-13 10/500 2026-04-14 10:49 by jyl0317
[¿¼ÑÐ] ¿¼ÑÐÓ¢Ò»ÊýÒ»338·Ö +9 ³¤½­´óѧ¶«Ð£Çø 2026-04-13 10/500 2026-04-14 00:41 by Íõ¬Bè±
[¿¼ÑÐ] Çóµ÷¼Á +12 Á§ÜÔÒ»¶¨Éϰ¶ 2026-04-10 13/650 2026-04-14 00:08 by Equinoxhua
[¿¼ÑÐ] 293Çóµ÷¼Á +16 ÎÒ°®¸ßÊý¸ßÊý°®Î 2026-04-12 18/900 2026-04-13 21:47 by ѧԱJpLReM
[¿¼ÑÐ] 290Çóµ÷¼Á +18 ¿Â»´È» 2026-04-12 20/1000 2026-04-13 12:56 by cyh¡ª315
[¿¼ÑÐ] ÉúÎïѧµ÷¼Á +11 СȽҪŬÁ¦ 2026-04-10 13/650 2026-04-13 11:46 by µç»¯Ñ§¼°´ß»¯
[¿¼ÑÐ] 331Çóµ÷¼Á +5 Íõ¹ú˧ 2026-04-11 5/250 2026-04-11 22:56 by Ϫ½§Á÷Ë®
[¿¼ÑÐ] Ò»Ö¾Ô¸Ïôó0856£¬306Çóµ÷¼Á +15 Bblinging 2026-04-11 15/750 2026-04-11 22:53 by 314126402
[¿¼ÑÐ] ÖÐҩѧµ÷¼Á ³õÊÔ324 +4 Ñó¸Ê¾Õ¡¢ 2026-04-10 6/300 2026-04-11 09:41 by gong120082
[¿¼ÑÐ] 337Çóµ÷¼Á +4 ÑÐs. 2026-04-10 4/200 2026-04-11 08:57 by zhq0425
[¿¼ÑÐ] 309Çóµ÷¼Á +14 wdhw 2026-04-10 15/750 2026-04-10 21:06 by zhouxiaoyu
[¿¼ÑÐ] 263ÄÜÔ´¶¯Á¦×¨Ë¶Çóµ÷¼Á +4 ¼Ó´óºÅ·¹ºÐ´ü 2026-04-10 4/200 2026-04-10 20:52 by gong120082
[¿¼ÑÐ] ±¾9 Ò»Ö¾Ô¸Î÷¹¤´ó085601 324Çóµ÷¼Á +5 wysyjs25 2026-04-10 5/250 2026-04-10 16:57 by luoyongfeng
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û