Znn3bq.jpeg
²é¿´: 907  |  »Ø¸´: 7
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

kanglegong

Òø³æ (ÕýʽдÊÖ)

[ÇóÖú] º¯Êýµ¼ÊýÎÊÌâ ÒÑÓÐ1È˲ÎÓë

Èôº¯ÊýZ=f(x,y) ÏÖÔÚÁîx+y=q, Z=g(x,q) £¬¶ÔqÇ󯫵¼Êýg'(x,q)ÓëqÎ޹أ¬Õâ¸ö½áÂÛÔÚÊýѧÉÏ»òÕßÔÙÈýά¿Õ¼äÄÚ±íʾһ¸öʲôÑùµÄ¹ØÏµÄØ£¿»òÕßÕâ¸ö½áÂÛÒâζ×ÅÊ²Ã´ÄØ£¿
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

kanglegong

Òø³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
4Â¥: Originally posted by feixiaolin at 2014-10-08 15:01:38
¿É»ñµÃy¶ÔxµÄµ¼º¯Êý
...

ÊÇʲôÒâË¼ÄØ£¿¶ÔÎÒÄǸöÎÊÌâÓÐʲô×÷ÓÃûÓУ¿
7Â¥2014-10-08 15:06:11
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 8 ¸ö»Ø´ð

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

z= f(x, y)=g(q, p)= g(x, p)
dz=∂f/∂x*dx+∂f/∂y*dy
dz=∂g/∂x*dx+∂g/∂p*dp=∂g/∂x*dx+0
∂f/∂x*dx+∂f/∂y*dy=∂g/∂x*dx
∂f/∂y*dy=∂g/∂x*dx-∂f/∂x*dx
dy/dx=(∂g/∂x-∂f/∂x)/ ∂f/∂y
2Â¥2014-10-08 11:42:42
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

kanglegong

Òø³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by feixiaolin at 2014-10-08 11:42:42
z= f(x, y)=g(q, p)= g(x, p)
dz=∂f/∂x*dx+∂f/∂y*dy
dz=∂g/∂x*dx+∂g/∂p*dp=∂g/∂x*dx+0
∂f/∂x*dx+∂f/∂y*dy=∂g/ ...

°æÖ÷£¬Õâ¸öÊǾßÌåʲôÒâË¼ÄØ£¿
3Â¥2014-10-08 13:15:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

ÒýÓûØÌû:
3Â¥: Originally posted by kanglegong at 2014-10-08 13:15:19
°æÖ÷£¬Õâ¸öÊǾßÌåʲôÒâË¼ÄØ£¿...

¿É»ñµÃy¶ÔxµÄµ¼º¯Êý

[ ·¢×ÔСľ³æ¿Í»§¶Ë ]
4Â¥2014-10-08 15:01:38
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 085801µçÆø×¨Ë¶272Çóµ÷¼Á +19 µçÆøÀî 2026-04-13 21/1050 2026-04-15 13:37 by ºÚ¿Æ¼¼¿óÒµ
[¿¼ÑÐ] 294Çóµ÷¼Á +3 µ­È»654321 2026-04-15 3/150 2026-04-15 13:13 by Llllss12
[¿¼ÑÐ] 296Çóµ÷¼Á +10 Íô£¡£¿£¡ 2026-04-09 11/550 2026-04-15 09:17 by fenglj492
[¿¼ÑÐ] Ò»Ö¾Ô¸085502£¬267·ÖÇóµ÷¼Á +19 ÔÙæҲҪ³Ô·¹°¡ 2026-04-08 20/1000 2026-04-14 16:03 by zs92450
[½Ìʦ֮¼Ò] ת³¤Æ¸ÁË +7 ¼òµ¥»¯xn 2026-04-13 7/350 2026-04-14 14:50 by xindong
[¿¼ÑÐ] Çóµ÷¼Á +3 ÎÒ°®¸ßÊý¸ßÊý°®Î 2026-04-12 3/150 2026-04-14 01:00 by Íõ¬Bè±
[»ù½ðÉêÇë] Óб¬ÁÏ£¬Ò»¸öÇàÄê½ÌʦÂô·¿µÃ400Íò£¬È»ºó»»ÁËÒ»¸öËÄÇàñ×Ó +11 babu2015 2026-04-08 11/550 2026-04-13 16:33 by probebill
[¿¼ÑÐ] ¿¼ÑжþÂÖµ÷¼Á +10 ¹ÊÈË?? 2026-04-09 10/500 2026-04-13 09:55 by szhize
[¿¼ÑÐ] 339Çóµ÷¼Á +8 hanwudada 2026-04-11 9/450 2026-04-12 15:36 by laoshidan
[¿¼ÑÐ] Çóµ÷¼Á +16 ÕÅ·¬ÇѲ»³´µ° 2026-04-10 17/850 2026-04-12 13:58 by °¾Ò¹³É£¡
[¿¼ÑÐ] 291Çóµ÷¼Á +8 ¹ØÒä±±. 2026-04-11 8/400 2026-04-12 09:32 by ÄæË®³Ë·ç
[¿¼ÑÐ] Ò»Ö¾Ô¸Ïôó0856£¬306Çóµ÷¼Á +15 Bblinging 2026-04-11 15/750 2026-04-11 22:53 by 314126402
[¿¼ÑÐ] 284Çóµ÷¼Á +12 archer.. 2026-04-10 13/650 2026-04-11 08:44 by zhq0425
[¿¼ÑÐ] ¿¼Ñе÷¼Á +26 ˶ÐǸ° 2026-04-09 27/1350 2026-04-10 22:24 by Öí»á·É
[¿¼ÑÐ] ¼ÆËã»úÀàÇóµ÷¼Á£¬22408-274·Ö +7 Éϰ¶deС³æ 2026-04-09 8/400 2026-04-10 19:56 by fxue1114
[¿¼ÑÐ] 298Çóµ÷¼Á +13 ¶¤¶£ß˶¬¹Ï 2026-04-09 13/650 2026-04-10 15:49 by jiajinhpu
[¿¼ÑÐ] Ò»Ö¾Ô¸Öпƴó070300»¯Ñ§£¬314·ÖÇóµ÷¼Á +12 wakeluofu 2026-04-09 12/600 2026-04-10 09:57 by liuhuiying09
[¿¼ÑÐ] 314Çóµ÷¼Á +14 weltZeng 2026-04-09 14/700 2026-04-09 23:14 by wolf97
[¿¼ÑÐ] ²ÄÁÏר˶³õÊÔ·Ö332Ò»Ö¾Ô¸Î÷±±¹¤Òµ´óѧ£¬ +12 ¹ÊÈË?? 2026-04-09 12/600 2026-04-09 18:34 by Ccclqqq
[¿¼ÑÐ] 085404£¬334·Ö£¬Çóµ÷¼Á +5 sunjie8888 2026-04-08 8/400 2026-04-09 07:26 by sunjie8888
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û