Znn3bq.jpeg
²é¿´: 1143  |  »Ø¸´: 5
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

larychen

½ð³æ (ÕýʽдÊÖ)

[ÇóÖú] 3.6T-3.6TlnT +5080=0 ÒÑÓÐ1È˲ÎÓë

Êýѧ¶¼¶ªÍêÁË ¡£¡£¡£¡£¡£¡£¡£Çó½â£¬3.6T-3.6TlnT +5080=0      T=£¿
»Ø¸´´ËÂ¥
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wurongjun

ר¼Ò¹ËÎÊ (Ö°Òµ×÷¼Ò)

ÒýÓûØÌû:
5Â¥: Originally posted by larychen at 2015-09-10 09:23:50
ÄÜÔÙ°ïÎÒ½â´ðÒ»ÏÂÂð    72773-1.5TlnT+2.1T=0   T=£¿...

>> syms T
>> solve(' 72773-1.5*T**log(T)+2.1*T','T')
ans =
26.705653042350785455187109159936
ÉÆ¶ñµ½Í·ÖÕÓб¨,È˼äÕýµÀÊDz×É£.
6Â¥2015-09-10 09:26:57
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 6 ¸ö»Ø´ð

wurongjun

ר¼Ò¹ËÎÊ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
larychen: ½ð±Ò+10 2015-09-09 19:52:32
Matlab½â!
>> syms T
>> solve('3.6*T-3.6*T*log(T)+5080','T')
ans =
299.99585690470085924765803895383
ÉÆ¶ñµ½Í·ÖÕÓб¨,È˼äÕýµÀÊDz×É£.
2Â¥2015-09-09 19:51:18
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Edstrayer

°æÖ÷ (ÖøÃûдÊÖ)

·½´ç¶·ÊÒСÌìµØÕýÆøÃÔÂþ´óÊÀ½ç

Çà´ÐËêÔÂÊ¥µ®Ò¹£¬ÀËÂþ¸èÎèÓ­ÐÂÄê¡£
3Â¥2015-09-10 01:54:25
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

larychen

½ð³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
3Â¥: Originally posted by Edstrayer at 2015-09-10 01:54:25
x=e^{W\left(\frac{12700}{9e}\right)+1}\approx 299.996

Õâ¸öÔõôÓÐÕâô¶à²ÎÊý w ÊÇʲô
4Â¥2015-09-10 07:54:43
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 295·ÖÇóµ÷¼Á +5 ?ÒªÉϰ¶? 2026-04-17 5/250 2026-04-17 16:51 by fenglj492
[¿¼ÑÐ] 322Çóµ÷¼Á +6 tekuzu 2026-04-17 6/300 2026-04-17 13:48 by Espannnnnol
[¿¼ÑÐ] ¿ÒÇëÓÐѧУÊÕÁô +8 ¿Â»´È» 2026-04-12 8/400 2026-04-17 09:34 by Öí»á·É
[¿¼ÑÐ] 297£¬¹¤¿Æµ÷¼Á? +4 ºÓÄÏũҵ´óѧ-ÄÜ 2026-04-14 4/200 2026-04-16 22:52 by wulijun2012
[¿¼ÑÐ] 22408 312Çóµ÷¼Á +23 ÃÅ·ÃþÃþ 2026-04-14 25/1250 2026-04-16 21:21 by Art1977
[¿¼ÑÐ] 297£¬¹¤¿Æµ÷¼Á?ºÓÄÏũҵ´óѧ±¾¿Æ +14 ºÓÄÏũҵ´óѧ-ÄÜ 2026-04-14 14/700 2026-04-16 14:41 by dingyanbo1
[¿¼ÑÐ] 26ҩѧר˶105500Çóµ÷¼Á +6 à¶¹þ¼ÓÓÍ 2026-04-13 7/350 2026-04-16 14:31 by zhouxiaoyu
[¿¼ÑÐ] 290µ÷¼ÁÉúÎï0860 +38 ÍÛ¹þ¹þ£¬¡£ 2026-04-11 44/2200 2026-04-16 09:52 by cuisz
[¿¼ÑÐ] Çóµ÷¼ÁÍÆ¼ö +8 СÄô°®Ñ§Ï° 2026-04-14 8/400 2026-04-16 07:22 by ѧԱJpLReM
[¿¼ÑÐ] 297£¬¹¤¿Æµ÷¼Á? +10 ºÓÄÏũҵ´óѧ-ÄÜ 2026-04-14 10/500 2026-04-15 21:50 by noqvsozv
[¿¼ÑÐ] Ò»Ö¾Ô¸AÇø211£¬22408 321Çóµ÷¼Á +6 ËæÐÄËùÓû¡î 2026-04-15 7/350 2026-04-15 21:45 by lbsjt
[¿¼ÑÐ] ͨÐŹ¤³ÌÇóµ÷¼Á£¡£¡£¡ +6 zlb770521 2026-04-14 6/300 2026-04-15 20:00 by ѧԱJpLReM
[¿¼ÑÐ] ÉúÎïѧµ÷¼Á +9 Ö½ÉÈzhishan 2026-04-13 9/450 2026-04-15 18:28 by ANÁ÷800
[¿¼ÑÐ] ҩѧ305Çóµ÷¼Á +7 Â꿨°Í¿¨boom 2026-04-11 7/350 2026-04-15 13:21 by Î÷±±Íû¡ª·çɳ
[¿¼ÑÐ] »¯¹¤Ñ§Ë¶294·Ö£¬Çóµ¼Ê¦ÊÕÁô +32 yzyzx 2026-04-12 36/1800 2026-04-14 17:45 by lhj2009
[¿¼ÑÐ] ҩѧ305Çóµ÷¼Á +10 Â꿨°Í¿¨boom 2026-04-10 10/500 2026-04-14 15:55 by zs92450
[¿¼ÑÐ] Çóµ÷¼Á +3 ÎÒ°®¸ßÊý¸ßÊý°®Î 2026-04-12 3/150 2026-04-14 01:00 by Íõ¬Bè±
[¿¼ÑÐ] 346·Ö£¬¹¤¿Æ0854Çóµ÷¼Á£¬×¨Ë¶ +6 moser233 2026-04-12 7/350 2026-04-12 22:11 by fqwang
[¿¼ÑÐ] 331Çóµ÷¼Á +5 Íõ¹ú˧ 2026-04-11 5/250 2026-04-11 22:56 by Ϫ½§Á÷Ë®
[¿¼ÑÐ] 352 Çóµ÷¼Á +6 yzion 2026-04-11 8/400 2026-04-11 16:24 by Ã÷Ô´ËʱÓÐ
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û