±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1988  |  »Ø¸´: 4
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

Â¥1970-01-01 08:00:00
ÒÑÔÄ   ÉêÇëÊýѧEPI   »Ø¸´´ËÂ¥   ±à¼­   ²é¿´ÎÒµÄÖ÷Ò³

ÖÇÄÜ»úÆ÷ÈË

Robot (super robot)

ÎÒÃǶ¼°®Ð¡Ä¾³æ

ÕÒµ½Ò»Ð©Ïà¹ØµÄ¾«»ªÌû×Ó£¬Ï£ÍûÓÐÓÃŶ~

¿ÆÑдÓСľ³æ¿ªÊ¼£¬ÈËÈËΪÎÒ£¬ÎÒΪÈËÈË

hzsh2009

Í­³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
Originally posted by pengyehui at 2011-06-28 21:37:31:
½áÂÛ²»ÕýÈ·
1. ¼ÙÉèÌâÄ¿ÖеÄe^rt±íʾe^{rt}, Ôò ln(e^{rt}/(1+r)^t)=t(r-ln(1+r))Ç÷ÓÚÎÞÇ²»Ç÷ÓÚ0
2.¼ÙÉèe^rt=t*e^r, e^rt/(1+r)^tÇ÷ÏòÓÚ0£¬Ö»Òªr>-1

лл,ÄÇÊÇÎÒÀí½â´íÁËÓ¦¸Ã. ÒòΪÎÒÔ­À´¿´µÄÌâÄ¿ÊÇÕâÑùµÄ:

Ò»¸ö¹ÉƱ,6¸öÔÂÆÚµÄÔ¶ÆÚ¼Û¸ñΪ50Ôª,ĿǰÊг¡ÉÏ6¸öÔÂÖÁÒ»ÄêµÄÔ¶ÆÚÀûÂÊΪ10%(Á¬Ðø¸´Àû), ÇóÕâ¹ÉƱһÄêÆÚµÄÔ¶ÆÚ¼Û¸ñ?

ÎÒÊǾõµÃÓ¦¸ÃÊÇ50*(1+0.1)^0.5
µ«´ð°¸ÊÇ50e^(0.1*0.5)
¶øÇÒÕâÁ½¸öÖµÂù½Ó½üµÄ,ËùÒÔÓÐÁËÎÒÔ­À´µÄ½áÂÛ.
ÄܽâÊÍÏÂÕâÊÇΪʲôÂð?ллÀ²
3Â¥2011-06-29 17:57:20
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 5 ¸ö»Ø´ð

pengyehui

ľ³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

soliton923: Ê®·Ö¸Ðлר¼ÒµÄ²ÎÓë~~~ 2011-06-28 23:19:35
hzsh2009(½ð±Ò+3): 2011-07-01 15:50:02
½áÂÛ²»ÕýÈ·
1. ¼ÙÉèÌâÄ¿ÖеÄe^rt±íʾe^{rt}, Ôò ln(e^{rt}/(1+r)^t)=t(r-ln(1+r))Ç÷ÓÚÎÞÇ²»Ç÷ÓÚ0
2.¼ÙÉèe^rt=t*e^r, e^rt/(1+r)^tÇ÷ÏòÓÚ0£¬Ö»Òªr>-1
2Â¥2011-06-28 21:37:31
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

jfili

½ð³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

hzsh2009(½ð±Ò+2): 2011-07-01 15:50:12
Ã÷Ã÷ÊÇrÇ÷½üÓÚ0 ºóÕß¿ÉÒÔÊÇǰÕߵĽüËÆ
ÄãÔõôÎʳÉÊÇtÇ÷½üÓëÕýÎÞÇîÄØ
4Â¥2011-06-29 20:23:18
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hzsh2009

Í­³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
Originally posted by jfili at 2011-06-29 20:23:18:
Ã÷Ã÷ÊÇrÇ÷½üÓÚ0 ºóÕß¿ÉÒÔÊÇǰÕߵĽüËÆ
ÄãÔõôÎʳÉÊÇtÇ÷½üÓëÕýÎÞÇîÄØ

Ôõô֤Ã÷ÄØ£¿
5Â¥2011-06-29 22:41:48
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[˶²©¼ÒÔ°] Çóµ÷¼Á 330·Ö 085600²ÄÁÏÓ뻯¹¤ +3 gqhhh 2026-03-22 3/150 2026-03-29 00:52 by 544594351
[¿¼ÑÐ] 298Çóµ÷¼Á +3 ÖÖÊ¥´Í 2026-03-28 3/150 2026-03-28 23:58 by wxiongid
[¿¼ÑÐ] 322Çóµ÷¼Á +7 ËÎÃ÷ÐÀ 2026-03-27 7/350 2026-03-28 21:27 by sanrepian
[¿¼ÑÐ] ÉúÎïѧѧ˶£¬Ò»Ö¾Ô¸ºþÄÏ´óѧ£¬³õÊԳɼ¨338 +6 YYYYYNNNNN 2026-03-26 7/350 2026-03-28 20:52 by ÌÆãå¶ù
[¿¼ÑÐ] 070300Çóµ÷¼Á306·Ö +4 26ÒªÉϰ¶ 2026-03-27 4/200 2026-03-28 13:06 by ÌÆãå¶ù
[¿¼ÑÐ] 085405 ¿¼µÄ11408Çó¸÷λÀÏʦ´ø×ß +3 Qiuѧing 2026-03-28 3/150 2026-03-28 09:19 by ÀֺǺǵÄ×·ÃÎÈË
[¿¼ÑÐ] 292Çóµ÷¼Á +14 ¶ì¶ì¶ì¶î¶î¶î¶î¶ 2026-03-25 15/750 2026-03-28 08:45 by WYUMater
[¿¼ÑÐ] 352·Ö »¯¹¤Óë²ÄÁÏ +5 º£Äɰٴ¨Ly 2026-03-27 5/250 2026-03-28 03:39 by fmesaito
[¿¼ÑÐ] 0703»¯Ñ§Ò»Ö¾Ô¸ÄϾ©Ê¦·¶´óѧ303Çóµ÷¼Á +3 zzffylgg 2026-03-24 3/150 2026-03-27 10:42 by shangxh
[¿¼ÑÐ] Ò»Ö¾Ô¸ÉÂʦ´óÉúÎïѧ071000£¬298·Ö£¬Çóµ÷¼Á +5 SYA£¡ 2026-03-23 5/250 2026-03-27 09:29 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 317Çóµ÷¼Á +7 µ°»ÆÏÌÈâôÕ 2026-03-26 7/350 2026-03-27 02:29 by fmesaito
[¿¼ÑÐ] 325Çóµ÷¼Á +5 Àî¼Îͼ¡¤S¡¤Â· 2026-03-23 5/250 2026-03-27 00:42 by wxiongid
[¿¼ÑÐ] Çóµ÷¼Á Ò»Ö¾Ô¸ ±¾¿Æ ±±¿Æ´ó »¯Ñ§ 343 +6 13831862839 2026-03-24 7/350 2026-03-26 22:57 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 263Çóµ÷¼Á +6 yqdszhdap£­ 2026-03-22 10/500 2026-03-26 13:11 by ¹«èªåÐÒ£
[¿¼ÑÐ] ²ÄÁÏר˶ 335 ·ÖÇóµ÷¼Á +4 ¾Ü¾øÀ䱩Á¦ 2026-03-25 4/200 2026-03-25 18:45 by haxia
[¿¼ÑÐ] 0854µç×ÓÐÅÏ¢Çóµ÷¼Á +7 ¦Á____ 2026-03-22 9/450 2026-03-25 13:37 by ¦Á____
[¿¼ÑÐ] 284Çóµ÷¼Á +15 Zhao anqi 2026-03-22 15/750 2026-03-25 12:51 by wht0531
[¿¼ÑÐ] »¯¹¤×¨Ë¶Çóµ÷¼Á +3 questionÍì·ç 2026-03-24 3/150 2026-03-24 18:48 by jhhcooi
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖØÇì´óѧ085700×ÊÔ´Óë»·¾³£¬×Ü·Ö308Çóµ÷¼Á +7 īīĮ 2026-03-23 8/400 2026-03-23 20:36 by Creta
[¿¼ÑÐ] ʯºÓ×Ó´óѧ£¨211¡¢Ë«Ò»Á÷£©Ë¶²©Ñо¿Éú³¤ÆÚÕÐÉú¹«¸æ +3 Àî×ÓÄ¿ 2026-03-22 3/150 2026-03-22 21:01 by ÔõôÊÍ»³
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û