±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 871  |  »Ø¸´: 5

lanmayifly

ľ³æ (ÕýʽдÊÖ)

[ÇóÖú] Ö¸ÊýÄâºÏÇó½Ì

·½³Ìy=a*exp^(b*x)
Êý¾Ý¼û¸½¼þ
  origin½á¹û a=13.64237, b=-0.03533, R2=0.78998
excel½á¹û a=9.7357, b=-0.01897, R2=0.8459

ΪʲôÕâÑù£¿Çó´óÏÀÖ¸½Ì¡£
»Ø¸´´ËÂ¥

» ±¾Ìû¸½¼þ×ÊÔ´Áбí

  • »¶Ó­¼à¶½ºÍ·´À¡£ºÐ¡Ä¾³æ½öÌṩ½»Á÷ƽ̨£¬²»¶Ô¸ÃÄÚÈݸºÔð¡£
    ±¾ÄÚÈÝÓÉÓû§×ÔÖ÷·¢²¼£¬Èç¹ûÆäÄÚÈÝÉæ¼°µ½ÖªÊ¶²úȨÎÊÌ⣬ÆäÔðÈÎÔÚÓÚÓû§±¾ÈË£¬Èç¶Ô°æÈ¨ÓÐÒìÒ飬ÇëÁªÏµÓÊÏ䣺xiaomuchong@tal.com
  • ¸½¼þ 1 : Ö¸ÊýÄâºÏ.txt
  • 2013-04-08 14:48:21, 349 bytes

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

lanmayifly

ľ³æ (ÕýʽдÊÖ)

Çó°ïÖú£¬Êý¾Ý
x                 y

5        13.81790981

10        7.687729913

20        4.97945614

30        3.908817775

50        3.884022582

70        3.342086588

100        1.386332618
2Â¥2013-04-08 15:09:05
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÔÂÖ»À¶

Ö÷¹ÜÇø³¤ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
lanmayifly: ½ð±Ò+10, ¡ï¡ï¡ïºÜÓаïÖú, лл 2013-04-08 16:49:09
csgt0: ½ð±Ò+2, лл 2013-04-09 10:47:19
ÒýÓûØÌû:
2Â¥: Originally posted by lanmayifly at 2013-04-08 15:09:05
Çó°ïÖú£¬Êý¾Ý
x                 y

5        13.81790981

10        7.687729913

20        4.97945614

30        3.908817775

50        3.884022582

70        3.342086588

100      ...

Origin½á¹ûÓ¦¸ÃûÎÊÌâµÄ£¬1stopt½á¹û¼û¸½Í¼¡£
Êý¾Ý±¾Éí¾Í²»Ì«·ûºÏÄãÔ¤ÉèµÄÄ£ÐÍ·½³Ì£¬ËùÒÔR^2²»¸ß¡£

¸½Í¼1.jpg

MATLAB¡¢MSСÎÊÌâ¡¢ÆÕͨÎÊÌâÇë·¢ÌûÇóÖú£¡Ê±¼ä¾«Á¦ÓÐÏÞ£¬Ë¡²»½ÓÊÜÎÞ³¥Ë½ÐÅÇóÖú¡£
3Â¥2013-04-08 15:23:07
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lanmayifly

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
3Â¥: Originally posted by ÔÂÖ»À¶ at 2013-04-08 15:23:07
Origin½á¹ûÓ¦¸ÃûÎÊÌâµÄ£¬1stopt½á¹û¼û¸½Í¼¡£
Êý¾Ý±¾Éí¾Í²»Ì«·ûºÏÄãÔ¤ÉèµÄÄ£ÐÍ·½³Ì£¬ËùÒÔR^2²»¸ß¡£

¸½Í¼1.jpg
...

ÎÒ¸Õ¸ÕÓÃspss×öÁËһϣ¬½á¹ûºÍexcelµÄÊÇÒ»ÑùµÄ£¬ÄÜÇë½ÌÒ»ÏÂ1stoptÔõôÓÃô
4Â¥2013-04-08 15:27:37
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÔÂÖ»À¶

Ö÷¹ÜÇø³¤ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
csgt0: ½ð±Ò+1, Ó¦ÖúÖ¸Êý+1, лл 2013-04-09 10:47:32
ÒýÓûØÌû:
4Â¥: Originally posted by lanmayifly at 2013-04-08 15:27:37
ÎÒ¸Õ¸ÕÓÃspss×öÁËһϣ¬½á¹ûºÍexcelµÄÊÇÒ»ÑùµÄ£¬ÄÜÇë½ÌÒ»ÏÂ1stoptÔõôÓÃô...

MATLABÄâºÏ½á¹û£º
²ÎÊý D = 13.6399806687323950
        ²ÎÊý a = -0.0353154406621889
        Ïà¹ØÏµÊý֮ƽ·½R^2 = 0.7920539543660761
¼û¸½Í¼2¡£

¸½Í¼2.jpg

MATLAB¡¢MSСÎÊÌâ¡¢ÆÕͨÎÊÌâÇë·¢ÌûÇóÖú£¡Ê±¼ä¾«Á¦ÓÐÏÞ£¬Ë¡²»½ÓÊÜÎÞ³¥Ë½ÐÅÇóÖú¡£
5Â¥2013-04-08 15:37:57
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

rabbit0304

Òø³æ (³õÈëÎÄ̳)

Ö¸Êý·½³ÌµÄÊÊÓ¦ÐÔ¾ÍÊǺ㬲ÎÊý±ä±ä£¬¼ÆËãÖµ±ä»¯²»´ó£¬Äã¾ÍÑ¡¸ö²Ð²îƽ·½ºÍСµÄ¾ÍÐÐÁË¡£
6Â¥2013-04-11 11:35:02
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ lanmayifly µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 0854Çóµ÷¼Á +4 assdll 2026-04-04 4/200 2026-04-05 09:44 by zhq0425
[¿¼ÑÐ] 283·ÖÇóµ÷¼Á +7 ÊÔÊÔ¿´ß 2026-04-04 7/350 2026-04-05 09:32 by guoweigw
[¿¼ÑÐ] ²ÄÁÏ»¯¹¤306·ÖÕÒºÏÊʵ÷¼Á +13 ²×º£ÇáÖÛe 2026-04-04 13/650 2026-04-05 08:27 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] Ò»Ö¾Ô¸±±¾©»¯¹¤085600 310·ÖÇóµ÷¼Á +9 0856²ÄÁÏÓ뻯¹¤3 2026-04-04 11/550 2026-04-05 05:22 by houyaoxu
[¿¼ÑÐ] 359Çóµ÷¼Á +7 hhhhaaaa$ 2026-04-04 7/350 2026-04-04 18:49 by imissbao
[¿¼ÑÐ] 306Çóµ÷¼Á +3 hybÉÏÃû¹¤ 2026-04-02 3/150 2026-04-04 18:12 by ÈÈÇéɳĮ
[¿¼ÑÐ] Çóµ÷¼Á£º085600²ÄÁÏÓ뻯¹¤£¬¿¼²Ä¿Æ»ù£¬×Ü·Ö319 +21 678lucky 2026-03-31 26/1300 2026-04-04 16:22 by dongzh2009
[¿¼ÑÐ] 271·ÖÇóµ÷¼ÁѧУ +11 zph158488£¡ 2026-04-02 11/550 2026-04-04 01:06 by userper
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤µ÷¼ÁÒ»Ö¾Ô¸´óÁ¬º£ÊÂ085600£¬349 +11 ³ÔµÄ²»ÉÙ 2026-03-30 11/550 2026-04-03 18:05 by Jimmyandyou
[¿¼ÑÐ] Çóµ÷¼Á +9 akdhjs 2026-03-31 11/550 2026-04-03 13:32 by akdhjs
[¿¼ÑÐ] 366Çóµ÷¼Á +7 sbdnd 2026-04-03 7/350 2026-04-03 12:40 by cymywx
[¿¼ÑÐ] 275Çóµ÷¼Á +14 waltzh 2026-04-01 14/700 2026-04-03 11:24 by qqq850810
[¿¼²©] É격ÇóÖú +3 Reee1Llll 2026-04-01 3/150 2026-04-02 22:29 by ÕâÊÇÒ»¸öÎÞÁĵÄê
[¿¼ÑÐ] Ò»Ö¾Ô¸±±¾©¿Æ¼¼²ÄÁÏ¿ÆÑ§Ó빤³Ì288·Ö£¬Çóµ÷¼Á +14 Êdz½°¡ 2026-04-02 14/700 2026-04-02 21:10 by dongzh2009
[¿¼ÑÐ] 282Çóµ÷¼Á +13 ºôÎü¶¼ÊǼõ·Ê 2026-04-01 13/650 2026-04-02 14:10 by baoball
[¿¼ÑÐ] ½­ËտƼ¼´óѧÕвÄÁÏÑо¿Éú +4 Su032713. 2026-04-01 5/250 2026-04-01 22:03 by cccchenso
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷°²½»´ó²ÄÁÏѧ˶£¨Ó¢Ò»Êý¶þ£©347£¬Çóµ÷¼Áµ½¸ß·Ö×Ó/²ÄÁÏÏà¹Ø×¨Òµ +7 zju51 2026-03-31 9/450 2026-04-01 19:35 by CFQZAFU
[¿¼ÑÐ] 353Çóµ÷¼Á +4 À­¹³²»Ðí±ä 2026-04-01 4/200 2026-04-01 18:10 by ¼Çʱ¾2026
[¿¼ÑÐ] Ò»Ö¾Ô¸´óÁ¬Àí¹¤´óѧ£¬»úе¹¤³Ìѧ˶£¬341 +3 Î÷¹ÏÌïµÄÊØÍûÕß 2026-03-30 3/150 2026-03-31 11:08 by asdfzly
[¿¼ÑÐ] ¼ª´óÉúÎïѧ326·ÖÇóµ÷¼Á +3 sunnyupup 2026-03-31 3/150 2026-03-31 09:28 by longlotian
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û