±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 260  |  »Ø¸´: 2
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£

hongyexi

ľ³æ (ÕýʽдÊÖ)

[½»Á÷] ¡¾ÇóÖú¡¿Òѽâ¾ö£¬¸Ðлreffer¡£ÓõÄMathematica£¬´íÔÚʲôµØ·½£¿

ÎÒÒ²²»ÖªµÀÇóÖúÌù¸Ã²»¸Ã·¢ÕâÀ²»Ó¦¸ÃµÄ»°Íû°æÖ÷¸æÖª¡£


ÏÂÃæµÄÊÇÎÒ´ÓMathematicaµÄhelpÀï³­µÄ£¬Ôõôout³öµÄ²»¶ÔÄØ£¿Çë¸ßÊÖÖ¸½Ì¡£

<
In[2]:=
data = {{1.0, 1.0, .126}, {2.0, 1.0, .219},
{1.0, 2.0, .076}, {2.0, 2.0, .126}, {.1, .0, .186}};

In[1]:=
NonlinearFit[data,
theta1 theta3 x1 / (1 + theta1 x1 + theta2 x2),
{x1, x2}, {theta1, theta2, theta3}]

Out[1]=
\!\(NonlinearFit[data, \(theta1\ theta3\ x1\)\/\(1 + theta1\ x1 + theta2\ \
x2\), {x1, x2}, {theta1, theta2, theta3}]\)

[ Last edited by laizuliang on 2007-9-25 at 08:27 ]
»Ø¸´´ËÂ¥
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hongyexi

ľ³æ (ÕýʽдÊÖ)

°æÖ÷°ïæɾÁ˰ɣ¬ÎÒ·¢µ½Óн±ÎÊ´ðºÃÁË
2Â¥2007-06-02 07:59:16
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

reffer

½ð³æ (СÓÐÃûÆø)

Õâ¶Î´úÂëÖ´ÐÐûÓÐÎÊÌâ°¡
ÒÔϽØÍ¼ÊÇÖ±½Ó¿½±´ÄãÌù³öÀ´µÄ´úÂëÔËÐеĽá¹û£º
ÒýÓûØÌû:
Originally posted by hongyexi at 2007-6-1 16:43:
ÎÒÒ²²»ÖªµÀÇóÖúÌù¸Ã²»¸Ã·¢ÕâÀ²»Ó¦¸ÃµÄ»°Íû°æÖ÷¸æÖª¡£


ÏÂÃæµÄÊÇÎÒ´ÓMathematicaµÄhelpÀï³­µÄ£¬Ôõôout³öµÄ²»¶ÔÄØ£¿Çë¸ßÊÖÖ¸½Ì¡£

<
In[2]:=
data = {{1.0, 1.0, .1 ...

3Â¥2007-06-02 09:14:02
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ hongyexi µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 0703»¯Ñ§ +19 ÄÝÄÝninicgb 2026-04-04 22/1100 2026-04-06 22:21 by jide_bin
[¿¼ÑÐ] 308Çóµ÷¼Á +10 īīĮ 2026-04-06 10/500 2026-04-06 22:19 by qlm5820
[¿¼ÑÐ] 26×ÔÈ»µØÀíѧ303·ÖÇóµ÷¼Á +4 Ò»Õ½³É˶°¡°¡°¡° 2026-04-06 9/450 2026-04-06 20:35 by lin-da
[¿¼ÑÐ] 288Çóµ÷¼Á +8 ûÓдð°¸_ 2026-04-05 8/400 2026-04-06 14:11 by lqwchd
[¿¼ÑÐ] 08600ÉúÎïÓëÒ½Ò©-327 +8 18755400796 2026-04-05 8/400 2026-04-06 11:59 by lijunpoly
[¿¼ÑÐ] Çóµ÷¼Á +5 wos666 2026-04-03 5/250 2026-04-06 10:13 by À¶ÔÆË¼Óê
[¿¼ÑÐ] »¯Ñ§µ÷¼Á +17 °¬Ö¾ºã 2026-04-03 18/900 2026-04-06 07:10 by jj987
[¿¼ÑÐ] 081700ѧ˶£¬323·Ö£¬Ò»Ö¾Ô¸Öйúº£Ñó´óѧÇóµ÷¼ÁѧУ +16 ÅûÐÇºÓ 2026-04-04 16/800 2026-04-05 11:27 by Öí»á·É
[¿¼ÑÐ] 312Çóµ÷¼Á +3 Say Never 2026-04-04 3/150 2026-04-05 11:19 by guoweigw
[¿¼ÑÐ] ÄÐÉú£¬Ò»Ö¾Ô¸»¦9ÉúÎïѧ071000£¬³õÊÔ308Çóµ÷¼Á +3 Áõīī 2026-04-04 3/150 2026-04-05 08:26 by barlinike
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +18 Ò»ÑùYWY 2026-04-02 19/950 2026-04-04 22:14 by hemengdong
[¿¼ÑÐ] 302Çóµ÷¼ÁÒ»Ö¾Ô¸»ªÖÐʦ·¶´óѧ +8 С½­Ð¡½­½­½­ 2026-04-02 8/400 2026-04-04 19:50 by À¶ÔÆË¼Óê
[¿¼ÑÐ] ²ÄÁÏ383Çóµ÷¼Á +5 ¹ùÑôÑôÑô³É 2026-04-04 5/250 2026-04-04 19:06 by dongzh2009
[¿¼ÑÐ] 293·ÖÇóµ÷¼Á£¬ÍâÓïΪ¶íÓï +6 ¼ÓÒ»Ò»¾Å 2026-03-31 6/300 2026-04-04 14:57 by ´ÏÃ÷µÄ´óËÉÊó
[¿¼ÑÐ] 282Çóµ÷¼Á +20 ycy1201 2026-04-01 22/1100 2026-04-04 00:42 by userper
[¿¼ÑÐ] ²ÄÁÏר˶322·Ö +13 ¹þ¹þ¹þºðºðºð¹þ 2026-04-01 13/650 2026-04-03 16:08 by ŶŶ123
[¿¼ÑÐ] ר˶ 351 086100 Ò²ÊÇ¿¼µÄ²Ä¿Æ»ù ±¾¿ÆÒ²ÊDzÄÁÏ +8 202451007219 2026-04-02 8/400 2026-04-03 09:50 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Çóµ÷¼Á22408 288·Ö +5 new382 2026-04-02 5/250 2026-04-03 09:13 by ×íÔÚ·çÀï
[¿¼ÑÐ] 285Çóµ÷¼Á +14 AZMK 2026-04-02 14/700 2026-04-02 15:54 by ÉϾÅÌìÀ¿Ô£¨ºÃÔ
[¿¼ÑÐ] 0805Çóµ÷¼Á +8 ÊÇË®·Ö 2026-03-31 8/400 2026-04-02 10:46 by guanxin1001
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û