²é¿´: 1517  |  »Ø¸´: 11
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

Ñô¹âÄк¢Ñò

Í­³æ (СÓÐÃûÆø)

[ÇóÖú] ÔõÑùÇó½âÎÒÕâ¸ö¼òµ¥»ý·Ö£¬ÄÄλ´óÉñ°ï棬СµÜл¹ýÀ² ÒÑÓÐ2È˲ÎÓë

°ïÎÒÇóÇóÕâ¸öʽ×Ó°É£¬Íò·Ö¸Ðл

ÔõÑùÇó½âÎÒÕâ¸ö¼òµ¥»ý·Ö£¬ÄÄλ´óÉñ°ï棬СµÜл¹ýÀ²
P50804-100310.jpg
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

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

Ñô¹âÄк¢Ñò

Í­³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by peterflyer at 2015-08-04 11:26:44
ÓÉÓÚ¦Õ(t)ÊÇÖð½¥¼õСµÄ£¬Òò´Ëd¦Õ/dt=-¦Ø(t)=-¦Â*sqrt ,ÕâÀïµÄ¦Â´ú±íÇ°ÃæµÄϵÊý£¬ÓÉÓÚÂ¥Ö÷µÄͼƬ²»ÇåÎú£¬Ö»ºÃÓÃÕâ¸ö´úÌæÁË¡£
d¦Õ/sqrt=-¦Ø(t)=-¦Â*dt
Integral{d¦Õ/sqrt}=C'-¦Â*t
C' Ϊ»ý·Ö³£Êý¡£
×ó±ßµÄ»ý·ÖÖУ¬ ...

¶÷¶÷£¬ÄÇ´óÉñÊýÖµ»ý·ÖÔõô¼ÆËã°¡£¿ÎÒûдµÄ²ÎÊý¶¼ÊǶ¨Öµ£¬²»ÓùÜ
5Â¥2015-08-04 19:58:44
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 12 ¸ö»Ø´ð

peterflyer

ľ³æÖ®Íõ (ÎÄѧ̩¶·)

peterflyer


¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ÓÉÓÚ¦Õ(t)ÊÇÖð½¥¼õСµÄ£¬Òò´Ëd¦Õ/dt=-¦Ø(t)=-¦Â*sqrt[Sin(¦Õ)] ,ÕâÀïµÄ¦Â´ú±íÇ°ÃæµÄϵÊý£¬ÓÉÓÚÂ¥Ö÷µÄͼƬ²»ÇåÎú£¬Ö»ºÃÓÃÕâ¸ö´úÌæÁË¡£
d¦Õ/sqrt[Sin(¦Õ)]=-¦Ø(t)=-¦Â*dt
Integral{d¦Õ/sqrt[Sin(¦Õ)]}=C'-¦Â*t
C' Ϊ»ý·Ö³£Êý¡£
×ó±ßµÄ»ý·ÖÖУ¬Áît=tan(¦Õ/2)¿ÉµÃ£º
Integral{dt/sqrt[t*(1+t^2)]}=C-¦Â/sqrt(2)*t
¶í¹úÊýѧ¼ÒÇбÈÑ©·òÔÚÒ»°ÙÄêǰ¾ÍÒѾ­Ö¤Ã÷£¬ÕâÖÖ»ý·ÖÊDz»Äܹ»ÓóõµÈº¯Êý±íʾµÄ£¬Ò²¾ÍÊÇ»ý²»³öÀ´µÄ¡£Ö»Äܹ»½èÖúÊýÖµ»ý·Ö·½·¨ÁË¡£
2Â¥2015-08-04 11:26:44
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

peterflyer

ľ³æÖ®Íõ (ÎÄѧ̩¶·)

peterflyer


¡¾´ð°¸¡¿Ó¦Öú»ØÌû

Ô½½Ó½üxÖᣬ½ÇËÙ¶ÈÔ½Âý²¢ÎÞÏÞÏòÁã¿¿½ü£¬Èç´ËÏÂÈ¥Õâ¸öÖ±Ïß¿ÉÄÜÓÀÔ¶Ò²µ½²»ÁËxÖá¡£
3Â¥2015-08-04 11:33:42
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Ñô¹âÄк¢Ñò

Í­³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
3Â¥: Originally posted by peterflyer at 2015-08-04 11:33:42
Ô½½Ó½üxÖᣬ½ÇËÙ¶ÈÔ½Âý²¢ÎÞÏÞÏòÁã¿¿½ü£¬Èç´ËÏÂÈ¥Õâ¸öÖ±Ïß¿ÉÄÜÓÀÔ¶Ò²µ½²»ÁËxÖá¡£

²»»á°É£¬¿Ï¶¨ÄÜËã½üËÆÖµ°É
4Â¥2015-08-04 19:57:29
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ²ÄÁÏ292µ÷¼Á +4 éÙËÌ˼ÃÀÈË 2026-03-23 4/200 2026-03-23 23:16 by peike
[¿¼ÑÐ] ²ÄÁÏר˶ÕÒµ÷¼Á +3 ¹þ¹þ¹þºðºðºð¹þ 2026-03-23 3/150 2026-03-23 23:13 by peike
[¿¼ÑÐ] 265Çóµ÷¼Á +10 ÁºÁºÐ£Ð£ 2026-03-17 10/500 2026-03-23 21:17 by Ò»ÇÐOK
[¿¼ÑÐ] 336»¯¹¤µ÷¼Á +4 Íõ´ó̹1 2026-03-23 5/250 2026-03-23 18:32 by allen-yin
[¿¼ÑÐ] 328Çóµ÷¼Á£¬Ó¢ÓïÁù¼¶551£¬ÓпÆÑо­Àú +7 ÉúÎ﹤³Ìµ÷¼Á 2026-03-17 12/600 2026-03-23 18:18 by YMUÊ©ÀÏʦ
[¿¼ÑÐ] 291 Çóµ÷¼Á +4 »¯¹¤2026½ì±ÏÒµÉ 2026-03-21 5/250 2026-03-23 16:46 by »¯¹¤2026½ì±ÏÒµÉ
[¿¼ÑÐ] 311Çóµ÷¼Á +6 ¶¬Ê®Èý 2026-03-18 6/300 2026-03-22 20:18 by edmund7
[¿¼ÑÐ] 324Çóµ÷¼Á +6 luckyѽѽѽѼ 2026-03-20 6/300 2026-03-22 16:01 by ColorlessPI
[¿¼ÑÐ] 336Çóµ÷¼Á +5 rmc8866 2026-03-21 5/250 2026-03-21 17:24 by ѧԱ8dgXkO
[¿¼ÑÐ] 22 350 ±¾¿Æ985Çóµ÷¼Á£¬ÇóÀϵÇÊÕÁô +3 ÀîéóÄÐ003 2026-03-20 3/150 2026-03-21 13:28 by ²«»÷518
[¿¼ÑÐ] ²ÄÁÏѧѧ˶080502 337Çóµ÷¼Á-Ò»Ö¾Ô¸»ªÖпƼ¼´óѧ +4 ˳˳˳mr 2026-03-18 5/250 2026-03-21 10:22 by luoyongfeng
[¿¼ÑÐ] 083200ѧ˶321·ÖÒ»Ö¾Ô¸ôßÄÏ´óѧÇóµ÷¼Á +3 innocenceF 2026-03-17 3/150 2026-03-21 02:35 by JourneyLucky
[¿¼ÑÐ] 332Çóµ÷¼Á +4 ydfyh 2026-03-17 4/200 2026-03-21 02:20 by JourneyLucky
[¿¼ÑÐ] 329Çóµ÷¼Á +9 ÏëÉÏѧ߹߹ 2026-03-19 9/450 2026-03-20 22:01 by luoyongfeng
[¿¼ÑÐ] ²ÄÁÏѧ˶297ÒѹýËÄÁù¼¶Çóµ÷¼ÁÍÆ¼ö +11 adaie 2026-03-19 11/550 2026-03-20 21:30 by laoshidan
[¿¼ÑÐ] 295¸´ÊÔµ÷¼Á +8 ¼òľChuFront 2026-03-19 8/400 2026-03-20 20:44 by zhukairuo
[¿¼ÑÐ] 261ÇóBÇøµ÷¼Á£¬¿ÆÑо­Àú·á¸» +3 Å£Ä̺Üæ 2026-03-20 4/200 2026-03-20 19:34 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸Öйúº£Ñó´óѧ£¬ÉúÎïѧ£¬301·Ö£¬Çóµ÷¼Á +5 1ËïÎò¿Õ 2026-03-17 6/300 2026-03-19 23:46 by zcl123
[˶²©¼ÒÔ°] ºþ±±¹¤Òµ´óѧ ÉúÃü¿ÆÑ§Ó뽡¿µÑ§Ôº-¿ÎÌâ×éÕÐÊÕ2026¼¶Ê³Æ·/ÉúÎï·½Ïò˶ʿ +3 1ϲ´º8 2026-03-17 5/250 2026-03-17 17:18 by ber´¨cool×Ó
[¿¼ÑÐ] ¿¼Ñе÷¼Á +3 ä¿ya_~ 2026-03-17 5/250 2026-03-17 09:25 by Winj1e
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û