Znn3bq.jpeg
²é¿´: 1895  |  »Ø¸´: 11

Ë®»·¾³

Í­³æ (³õÈëÎÄ̳)

ÒýÓûØÌû:
10Â¥: Originally posted by defa2001 at 2013-08-17 18:28:03
Áîp=yy'£¬Ôò·½³Ì¼´   p'=a+bp+cy£¬Á½±ß¹ØÓÚxÇ󵼵à p''=bp'+cp£¬ÕâÊǹØÓÚpµÄ¶þ½×³£ÏµÊýÆë´Î΢·Ö·½³Ì£¬¼´¿ÉÇóµÃp£¬¶øÓÉǰÊö£¬p=yy'=0.5£¨y^2£©'£¬´Ó¶ø¿ÉµÃyµÄ±í´ïʽ£¬ÆäÖеijõÖµÌõ¼þ¿ÉÓɼÆËã¹ý³ÌµÃµ½

·½³Ìp'=a+bp+cyÁ½±ß¹ØÓÚxÇóµ¼µÃp''=bp'+cy',¶ø²»ÊÇp''=bp'+cp'£¬Êǰɣ¿
11Â¥2013-08-17 20:09:18
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hank612

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

ÒýÓûØÌû:
10Â¥: Originally posted by defa2001 at 2013-08-17 18:28:03
Áîp=yy'£¬Ôò·½³Ì¼´   p'=a+bp+cy£¬Á½±ß¹ØÓÚxÇ󵼵à p''=bp'+cp£¬ÕâÊǹØÓÚpµÄ¶þ½×³£ÏµÊýÆë´Î΢·Ö·½³Ì£¬¼´¿ÉÇóµÃp£¬¶øÓÉǰÊö£¬p=yy'=0.5£¨y^2£©'£¬´Ó¶ø¿ÉµÃyµÄ±í´ïʽ£¬ÆäÖеijõÖµÌõ¼þ¿ÉÓɼÆËã¹ý³ÌµÃµ½

Â¥ÉÏÄãµÄÂÛÖ¤ÓÐBUGŶ¡£
p=yy',  ËùÒÔ (cy)' ²»µÈÓÚ cp. ÄãµÃ²»µ½¶þ½×³£ÏµÊý΢·Ö·½³Ì¡£
We_must_know. We_will_know.
12Â¥2013-08-17 22:50:42
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ Ë®»·¾³ µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ¼ÆËã»ú22408 281·Ö£¬Çóµ÷¼Á +7 17715607211 2026-04-06 7/350 2026-04-12 00:43 by xuxiang
[¿¼ÑÐ] 211±¾¿Æ²ÄÁÏ»¯¹¤Çóµ÷¼Á +13 YHLAH 2026-04-11 14/700 2026-04-11 23:13 by ÐÒÃâ ..
[¿¼ÑÐ] µ÷¼ÁÇóÊÕÁô +21 ¹ûÈ»ÓÐÎÒ 2026-04-10 22/1100 2026-04-11 21:37 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 284Çóµ÷¼Á +11 archer.. 2026-04-09 12/600 2026-04-11 20:23 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 085501»úеר˶ 302·Ö ²»ÌôרҵÇóµ÷¼Á +7 Íôij. 2026-04-09 7/350 2026-04-11 14:37 by luhong1990
[¿¼ÑÐ] 080100Á¦Ñ§316Çóµ÷¼Á +8 L_Hairui 2026-04-07 8/400 2026-04-11 10:00 by zhq0425
[¿¼ÑÐ] ÖÐҩѧµ÷¼Á ³õÊÔ324 +4 Ñó¸Ê¾Õ¡¢ 2026-04-10 6/300 2026-04-11 09:41 by gong120082
[¿¼ÑÐ] 22408µ÷¼ÁÇóÖú +7 ì±12 2026-04-09 9/450 2026-04-11 09:23 by ŶŶ123
[¿¼ÑÐ] 302·ÖÇóµ÷¼Á +9 ·²ÓïÆíÔ¸ 2026-04-08 10/500 2026-04-10 23:26 by 314126402
[˶²©¼ÒÔ°] 0856²ÄÁÏ»¯¹¤Çóµ÷¼Á£¬Ò»Ö¾Ô¸211£¬³õÊԳɼ¨349 +5 ½­»´±±Ô 2026-04-05 5/250 2026-04-10 16:26 by ¸ßά´º
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖпÆÔº105500רҵ×Ü·Ö315Çóµ÷¼Á +6 lallalh 2026-04-09 7/350 2026-04-09 17:51 by lallalh
[¿¼ÑÐ] Çóµ÷¼ÁÏ£Íû»¹ÊÇÏ£ÍûÔÚɽºÓËÄÊ¡¸½½ü +3 ¿ìÀÖµÄС°×¸ë 2026-04-05 3/150 2026-04-09 17:36 by wp06
[¿¼ÑÐ] Çó»úеר˶297µÚ¶þÅúµ÷¼Á +5 ʰÆâ12¡£ 2026-04-08 5/250 2026-04-09 16:43 by Ôʵ±ÊʶÈ
[¿¼ÑÐ] 265Çóµ÷¼Á +19 Сľ³æ085600 2026-04-06 21/1050 2026-04-08 10:38 by ÄæË®³Ë·ç
[¿¼ÑÐ] Çóµ÷¼Á +15 ÐܶþÏëÉϰ¶ 2026-04-06 15/750 2026-04-08 04:53 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 338Çóµ÷¼Á +5 СÖíºìÉ« 678 2026-04-06 6/300 2026-04-07 21:18 by ÇÇßÕßÕßÕ
[¿¼ÑÐ] 085602µ÷¼Á ³õÊÔ×Ü·Ö335 +3 19123253302 2026-04-06 3/150 2026-04-07 18:00 by jp9609
[¿¼ÑÐ] 319Çóµ÷¼Á +3 handrui 2026-04-05 3/150 2026-04-06 09:33 by jp9609
[¿¼ÑÐ] Ò»Ö¾Ô¸Çà¿Æ085500£¬³õÊÔ295·Ö£¬¹«¹²¿Î213·Ö +3 Óöµ½µÄÈËÔ¸Íû¶¼Ä 2026-04-05 3/150 2026-04-05 18:45 by À¶ÔÆË¼Óê
[¿¼ÑÐ] ¿¼Ñе÷¼ÁÉúѰÕÒµ¼Ê¦ +3 ¹ËÕ°¿¼Ñа¡ 2026-04-05 3/150 2026-04-05 18:18 by à£à£à£0119
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û