Znn3bq.jpeg
²é¿´: 1420  |  »Ø¸´: 5
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

cmee_xj

Ìú³æ (³õÈëÎÄ̳)

[ÇóÖú] Çó¸ßÊÖ°ïæ£¬ MATLABÇó»ý·ÖÉÏÏÞ¡£ÆäÖÐA,E,RΪ¿ÉÊäÈëµÄ±äÖµ£¬Çóhc

Çó¸ßÊÖ°ïæ£¬ MATLABÇó»ý·ÖÉÏÏÞ¡£ÆäÖÐA,E,RΪ¿ÉÊäÈëµÄ±äÖµ£¬Çóhc

Çó¸ßÊÖ°ïæ£¬ MATLABÇó»ý·ÖÉÏÏÞ¡£ÆäÖÐA,E,RΪ¿ÉÊäÈëµÄ±äÖµ£¬Çóhc
ͼƬ1.png
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

ÒýÓûØÌû:
3Â¥: Originally posted by cmee_xj at 2014-03-14 14:34:29
Èç¹ûÊÇÕâÖÖÀàÐÍÄØ£¬Çóh

ͼƬ1.png
...

5000*sqrt(2pi)=Integrate[exp(-z^2/2)z, {z, h, 100}] - Integrate[exp(-z^2/2)*h, {z, h, 100}]
5000*sqrt(2pi)=Integrate[exp(-x), {x, h, 100}] - h*Integrate[exp(-z^2/2), {z, h, 100}]
5000*sqrt(2pi)=[exp(-h^2/2) - exp(10000/2)] - sqrt(pi/2)*h*[erf(50*sqrt(2))-erf(h/sqrt(2))]

[ Last edited by feixiaolin on 2014-3-18 at 15:55 ]
4Â¥2014-03-14 15:24:45
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 6 ¸ö»Ø´ð

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

Integrate[(x-a)^(3/2)]=2/5*(x-a)^(5/2)
ԭʽ±äΪ£º
A*4/3*E*sqrt(R)*2/5*[(10-a)^(5/2) - (a-a)^(5/2)]=50000
A*4/3*E*sqrt(R)*2/5*(10-a)^(5/2) =50000
2Â¥2014-03-13 22:59:00
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

cmee_xj

Ìú³æ (³õÈëÎÄ̳)

ÒýÓûØÌû:
2Â¥: Originally posted by feixiaolin at 2014-03-13 22:59:00
Integrate=2/5*(x-a)^(5/2)
ԭʽ±äΪ£º
A*4/3*E*sqrt(R)*2/5*=50000
A*4/3*E*sqrt(R)*2/5*(10-a)^(5/2) =50000

Èç¹ûÊÇÕâÖÖÀàÐÍÄØ£¬Çóh
Çó¸ßÊÖ°ïæ£¬ MATLABÇó»ý·ÖÉÏÏÞ¡£ÆäÖÐA,E,RΪ¿ÉÊäÈëµÄ±äÖµ£¬Çóhc-1
ͼƬ1.png

3Â¥2014-03-14 14:34:29
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

cmee_xj

Ìú³æ (³õÈëÎÄ̳)

feixiaolin: ±à¼­ÄÚÈÝ 2014-03-18 15:57
[quote]4Â¥: Originally posted by feixiaolin at 2014-03-14 15:24:45
5000*sqrt(2pi)=Integrate - Integrate

Äܲ»ÄܱàÒ»¸ö¼òµ¥µãµÄ£¬×ö½çÃæÓõġ£

[ Last edited by feixiaolin on 2014-3-18 at 15:57 ]
5Â¥2014-03-18 14:48:43
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 277Çóµ÷¼Á +19 Äß½¨Éè 2026-04-06 19/950 2026-04-10 09:24 by guosr9609
[¿¼ÑÐ] ±¾¿ÆÎ÷¹¤´ó 0856 324Çóµ÷¼Á +10 wysyjs25 2026-04-09 11/550 2026-04-10 08:37 by 5268321
[¿¼ÑÐ] Ò»Ö¾Ô¸211£¬»¯Ñ§Ñ§Ë¶£¬310·Ö£¬±¾¿ÆÖصãË«·Ç£¬Çóµ÷¼Á +17 ŬÁ¦·Ü¶·112 2026-04-04 17/850 2026-04-09 20:35 by maddjdld
[¿¼ÑÐ] 312Çóµ÷¼Á +3 Àîºè·É·É 2026-04-06 3/150 2026-04-09 17:32 by wp06
[¿¼ÑÐ] »úеר˶273ÇëÇóµ÷¼Á +6 ¸ýÉêÈÉÉê 2026-04-07 6/300 2026-04-08 22:41 by bljnqdcc
[¿¼ÑÐ] 302·ÖÇóµ÷¼Á +4 ·²ÓïÆíÔ¸ 2026-04-08 5/250 2026-04-08 22:03 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] 318Çóµ÷¼Á +13 ykyhsa 2026-04-05 15/750 2026-04-08 21:37 by wj165256
[¿¼ÑÐ] ר˶310Çóµ÷¼Á +7 ÀÌÀÌÎÒ¡­. 2026-04-04 8/400 2026-04-08 20:24 by yutian743
[¿¼ÑÐ] ÉúÎïѧ308·ÖÇóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£©×ö¹ý·Ö×ÓʵÑé +6 ÏàÐűػá¹ââÍòÕ 2026-04-07 7/350 2026-04-08 16:49 by tjzhao
[¿¼ÑÐ] Çóµ÷¼Á Ò»Ö¾Ô¸Î÷ÄϽ»Í¨´óѧ085701»·¾³¹¤³Ì 282·Ö +15 ¶à¶à°®³Ôºº±¤ 2026-04-04 16/800 2026-04-08 11:39 by i_cooler
[¿¼ÑÐ] 304Çóµ÷¼Á +10 ËØÄê¼ÀÓï 2026-04-06 17/850 2026-04-08 09:05 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 316Çóµ÷¼Á +4 15318418673 2026-04-07 4/200 2026-04-07 22:12 by hemengdong
[¿¼ÑÐ] 085602µ÷¼Á ³õÊÔ×Ü·Ö335 +3 19123253302 2026-04-06 3/150 2026-04-07 18:00 by jp9609
[¿¼ÑÐ] ÉúÎïѧѧ˶Çóµ÷¼Á£º351·ÖÒ»Ö¾Ô¸ÄϾ©Ê¦·¶´óѧÉúÎïѧרҵ +6 ¡­¡«¡¢Íõ¡­¡« 2026-04-06 7/350 2026-04-06 18:54 by macy2011
[¿¼ÑÐ] »úеר˶274Çóµ÷¼Á£¬²»ÌôרҵѧУ +6 ·º·º2333 2026-04-05 8/400 2026-04-06 18:06 by ·º·º2333
[¿¼ÑÐ] ¹¤¿Æ370Çóµ÷¼Á +3 äçÐļ弦µ° 2026-04-05 3/150 2026-04-06 10:55 by ÕâÊÇÒ»¸öÎÞÁĵÄê
[¿¼ÑÐ] 331Çóµ÷¼Á +8 ÓÚÕ÷yz 2026-04-05 8/400 2026-04-06 00:54 by fmesaito
[¿¼ÑÐ] 322Çóµ÷¼Á +3 àźߺߺã 2026-04-05 3/150 2026-04-05 19:52 by nepu_uu
[¿¼ÑÐ] 400·ÖÇóµ÷¼Á +3 ÞÏÞÎÇÒÄÓÍ· 2026-04-04 3/150 2026-04-04 08:41 by jp9609
[¿¼ÑÐ] 372·Ö²ÄÁÏÓ뻯¹¤£¨085600£©Ò»Ö¾Ô¸ºþÄÏ´óѧÇóµ÷¼Á +3 À¶¼ãƬ 2026-04-03 4/200 2026-04-03 17:58 by Jimmyandyou
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û