±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 405  |  »Ø¸´: 2
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

hrbeu2219136

½ð³æ (СÓÐÃûÆø)

[ÇóÖú] »ý·ÖÇóÖú

È總¼þËùʾµÄ»ý·Ö£¬ÔÚÒ»¸ö¼ÆËã³ÌÐòÖÐÐèÒª¶à´Î¼ÆË㣬mºÍnµÄÉÏÏÞΪ½Ø¶ÏÖµ£¬µ«½Ø¶ÏÖµ²»Ò»ÑùµÄʱºò£¬µ÷ÓüÆËã»ý·Öµã´ÎÊý²»Ò»Ñù£¬´Ó¶øµ¼Ö¼ÆËãʱ¼äµÄ³¤¶Ì£¬ÏÖÔÚµ«mºÍnȡΪ20µÄʱºò¼ÆËãʱ¼ä¾ÍºÜ³¤ÁË£¬ÇëÎÊ´ó¼ÒÓÐʲôºÃµÄ°ì·¨½øÐмÆËãÂð£¿
ÏÖÔÚ²ÉÓÃÕâÑùµÄ·½Ê½¼ÆËãµÄ
function y = fx1(m,m1,R,r0,t)

FF = @(x)cos(lam(R,m)*x).*cos(lam(R,m1)*x)./(x+r0).^t;
y = quad(FF,0,R);

Çë´ó¼Ò¶à¶àÖ¸µã£¬Ð»Ð»


[ Last edited by hrbeu2219136 on 2012-3-9 at 11:30 ]
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

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

hrbeu2219136

½ð³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
Â¥: Originally posted by cars at 2012-03-09 15:38:56:
sin(mpix/R)sin(npix/R)=cos/2-cos/2,¿ÉÒÔÈÃ˫ѭ»·±äµ¥Ñ­»·£¬²»¹ý´Ë¼¶Êý¹À¼Æ²»ÊÕÁ²£¬²»ÖªÄãµÄ½Ø¶ÏÊÇ·ñÓиù¾Ý¡£
´Ë»ý·Öʵ¼ÊÊǿɻýµÄ£¬Ö»²»¹ý»ý·Ö½á¹ûÖаüº¬³¬Ô½º¯Êýcosint(x)
¡£
Òò´Ëû±ØÒªÓÃÊýÖµ»ý·Ö¡£

ÎҵĽضÏÊǸù¾ÝÕû¸ö³ÌÐòµÃÀ´µÄ¡£Êǵģ¬ÎÒÓÃmathematica¼ÆËã³öÀ´Óг¬Ô½º¯Êý£¬µ«ÊÇ´ø½øÊýÖµºó¼ÆËã³öÀ´Óи´Êý£¬²»ÖªµÀÕâ¸öÔõô½â¾ö£¿
3Â¥2012-03-09 22:04:51
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 3 ¸ö»Ø´ð

cars

½ð³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
sin(mpix/R)sin(npix/R)=cos[(m+n)*pi*x/R]/2-cos[(m-n)*pi*x/R]/2,¿ÉÒÔÈÃ˫ѭ»·±äµ¥Ñ­»·£¬²»¹ý´Ë¼¶Êý¹À¼Æ²»ÊÕÁ²£¬²»ÖªÄãµÄ½Ø¶ÏÊÇ·ñÓиù¾Ý¡£
´Ë»ý·Öʵ¼ÊÊǿɻýµÄ£¬Ö»²»¹ý»ý·Ö½á¹ûÖаüº¬³¬Ô½º¯Êýcosint(x)
[¼ûhttp://www.mathworks.cn/help/toolbox/symbolic/cosint.html]¡£
Òò´Ëû±ØÒªÓÃÊýÖµ»ý·Ö¡£
2Â¥2012-03-09 15:38:56
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 349Çóµ÷¼Á +6 Àîľ×Ó°¡¹þ¹þ 2026-03-25 6/300 2026-03-29 12:47 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] ²ÄÁÏѧ˶333Çóµ÷¼Á +11 ±±µÀÏï 2026-03-24 11/550 2026-03-29 08:31 by fmesaito
[¿¼ÑÐ] ±¾¿ÆË«·Ç²ÄÁÏ£¬¿ç¿¼Ò»Ö¾Ô¸»ªµç085801µçÆø£¬283Çóµ÷¼Á£¬ÈκÎרҵ¶¼¿ÉÒÔ +6 ֥ʿѩbaoo 2026-03-28 8/400 2026-03-29 08:16 by ËÉ»¨¸×1201
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á£¬Çóµ¼Ê¦ÊÕ +9 ÌìÌìºÃÔËÀ´Éϰ¶° 2026-03-24 10/500 2026-03-28 22:17 by chemzp
[¿¼ÑÐ] ѹ¹ú¼ÒÒ»ÇøÏߣ¬Çóµ¼Ê¦ÊÕÁô£¬Óж÷±ØÐ»£¡ +7 ÃÔÈ˵Ĺþ¹þ 2026-03-28 7/350 2026-03-28 16:47 by ´ß»¯´ó°×
[¿¼ÑÐ] 312£¬ÉúÎïѧÇóµ÷¼Á +3 СÒëͬѧabc 2026-03-28 3/150 2026-03-28 15:32 by ÂäÉ˼
[¿¼ÑÐ] Çóµ÷¼Á +6 «lty 2026-03-25 7/350 2026-03-28 13:13 by ÌÆãå¶ù
[¿¼ÑÐ] 086502»¯Ñ§¹¤³Ì342Çóµ÷¼Á +6 °¢Ò̸´¹Å²»¹ý 2026-03-27 6/300 2026-03-28 07:06 by wangy0907
[¿¼ÑÐ] Ò»Ö¾Ô¸ÉϺ£Àí¹¤ÄÜÔ´¶¯Á¦£¨085800£©310·ÖÇóµ÷¼Á +3 zhangmingc 2026-03-27 4/200 2026-03-27 19:01 by ¸øÄãÄã×¢ÒâÐÝÏ¢
[¿¼ÑÐ] Çóµ÷¼Á +4 Áã°Ë# 2026-03-27 4/200 2026-03-27 18:07 by yu221
[¿¼ÑÐ] 274Çóµ÷¼Á +17 ¹Ë¾ÅóÏҪǫÐé 2026-03-24 23/1150 2026-03-27 15:16 by caszguilin
[¿¼ÑÐ] »¯Ñ§308·ÖÇóµ÷¼Á +8 ÄãºÃÃ÷ÌìÄãºÃ 2026-03-23 9/450 2026-03-27 14:01 by Ñî¹âÓÚÇàÔÆ
[¿¼ÑÐ] 322Çóµ÷¼Á +4 ÎÒÕæµÄºÜÏëѧϰ 2026-03-23 4/200 2026-03-27 13:51 by ÑîÑîÑî×Ï
[¿¼ÑÐ] Ò»Ö¾Ô¸Ö£´ó085600£¬310·ÖÇóµ÷¼Á +5 Àîäì¿É 2026-03-26 5/250 2026-03-27 11:14 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] ¿¼Ñе÷¼Á +9 СÀ¯ÐÂ±Ê 2026-03-26 9/450 2026-03-27 11:10 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 343Çóµ÷¼Á +4 ÔùÎÒÒ»±¾Êé 2026-03-23 4/200 2026-03-27 00:40 by wxiongid
[¿¼ÑÐ] 327Çóµ÷¼Á +7 prayer13 2026-03-23 7/350 2026-03-26 20:48 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤304ÇóBÇøµ÷¼Á +3 Çñgl 2026-03-25 3/150 2026-03-25 19:03 by Ainin_
[¿¼ÑÐ] BÇø¿¼Ñе÷¼Á +4 yqdszhdap£­ 2026-03-22 5/250 2026-03-25 08:51 by baoball
[Óлú½»Á÷] ÓлúºÏ³ÉÇóÖú 20+3 FENGSHUJEI 2026-03-23 5/250 2026-03-24 19:31 by 88817753
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û