±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 369  |  »Ø¸´: 5
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
¡¾Óн±½»Á÷¡¿»ý¼«»Ø¸´±¾Ìû×Ó£¬²ÎÓë½»Á÷£¬¾ÍÓлú»á·ÖµÃ×÷Õß math105 µÄ 100 ¸ö½ð±Ò
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

math105

½ð³æ (ÕýʽдÊÖ)

[½»Á÷] ¡¾ÇóÖú¡¿ÄÜ·ñ¶ÔÒ»¸ö£¨ÓÉnΨÏòÁ¿Ëù¹¹³ÉµÄ¿ÉÐÐÓò£©½øÐвâ¶È?

¡¾ÇóÖú¡¿ÄÜ·ñ¶ÔÒ»¸ö¿ÉÐÐÓò½øÐвâ¶È?

ÄÜ·ñ¶ÔÒ»¸öÓÉnΨÏòÁ¿Ëù¹¹³ÉµÄÓн硢͹¿ÉÐÐÓò½øÐвâ¶È?  ÇÒÓÃÒ»¸öÖ¸±ê¶ÈÁ¿ËüµÄ´óС.

±ÈÈç²â¶È¿ÉÐÐÓò:S={(x1,x2,x3,x4) : x1+x2+x3+x4=1,xi>0,i=1,2,3,4.} µÄ´óС¡£


×¢: xÊÇ×Öĸ°¥¿Ë˾,  X1±íʾX_1,    1ÊÇϱê.

½â´ð¿ÉÒÔ¸úÌù£¬»òÕß·¢word¸½¼þÖÁÎÒµÄÓʼþ£ºmath105@126.com ,Íò·Ö¸Ðл¡£
»Ø¸´´ËÂ¥
̤ʵ×öѧÎÊ
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

math105

½ð³æ (ÕýʽдÊÖ)

ºÃÐÄÈ˰ï°ïÎÒ°É....
̤ʵ×öѧÎÊ
5Â¥2008-11-24 23:26:28
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 6 ¸ö»Ø´ð

guobingm

½û³æ (СÓÐÃûÆø)

±¾ÌûÄÚÈݱ»ÆÁ±Î

2Â¥2008-10-26 22:07:37
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

math105

½ð³æ (ÕýʽдÊÖ)

Êǰ¡,¾ÍÊDz»ÖªµÀÓÃʲô¹«Ê½¼ÆËãÌå»ý.
̤ʵ×öѧÎÊ
3Â¥2008-10-27 16:21:52
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

math105

½ð³æ (ÕýʽдÊÖ)

°ï°ïÎÒ°É,±ÏÒµÂÛÎÄ¿¨×¡ÁË.
̤ʵ×öѧÎÊ
4Â¥2008-11-10 18:55:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 297Çóµ÷¼Á +7 GENJIOW 2026-04-07 7/350 2026-04-07 08:45 by Çç¿Õ210210
[¿¼ÑÐ] Çóµ÷¼Á Ò»Ö¾Ô¸Î÷ÄϽ»Í¨´óѧ085701»·¾³¹¤³Ì 282·Ö +11 ¶à¶à°®³Ôºº±¤ 2026-04-04 11/550 2026-04-07 08:37 by xihu1109
[¿¼ÑÐ] 328Çóµ÷¼Á +3 ghhh88888 2026-04-06 3/150 2026-04-06 21:35 by à£à£à£0119
[¿¼ÑÐ] 297·Ö083200ÇóÖú +9 aekx 2026-04-05 9/450 2026-04-06 20:57 by flysky1234
[¿¼ÑÐ] 081200-11408-276ѧ˶Çóµ÷¼Á +5 ´Þwj 2026-04-05 5/250 2026-04-06 15:40 by lin-da
[¿¼ÑÐ] 346·ÖµÄÉúÎïÓëÒ½Ò©08600Çóµ÷¼Á +6 ³£ÓêÑôÉϰ¶ 2026-04-05 7/350 2026-04-06 12:36 by lys0704
[¿¼ÑÐ] Ò»Ö¾Ô¸Î人Àí¹¤´óѧ080200»úе¹¤³Ì308·Ö£¬Çóµ÷¼Á +4 ÖÕ²»ËÆ´Óǰ 2026-04-05 4/200 2026-04-06 11:46 by ¿¼ÑÐѧУÕеãÈË
[¿¼ÑÐ] 319·Ö085702°²È«¹¤³ÌÇóµ÷¼Á +4 rious 2026-04-05 4/200 2026-04-06 11:08 by ¾²¾²¾²¾²¾²¾²¾²¾
[¿¼ÑÐ] Çóµ÷¼Á +11 ÐܶþÏëÉϰ¶ 2026-04-04 11/550 2026-04-05 22:21 by ×íÎÌwl
[¿¼ÑÐ] ÉúÎïÓëÒ½Ò©µ÷¼Á +4 Ê®Æßsa 2026-04-05 4/200 2026-04-05 20:05 by lys0704
[¿¼ÑÐ] 308Çóµ÷¼Á +4 maverick^_^ 2026-04-03 4/200 2026-04-05 19:08 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 083200 333Çóµ÷¼Á +3 Ê®¶þ£¡£¡ 2026-04-04 3/150 2026-04-05 08:28 by barlinike
[¿¼ÑÐ] 283Çóµ÷¼Á +4 mcbbc 2026-04-03 5/250 2026-04-04 20:51 by imissbao
[¿¼ÑÐ] 081200-11408-276ѧ˶Çóµ÷¼Á +5 ´Þwj 2026-03-31 5/250 2026-04-04 19:45 by 1753564080
[¿¼ÑÐ] 081200-11408-276ѧ˶Çóµ÷¼Á +5 ´Þwj 2026-04-03 5/250 2026-04-03 15:06 by arrow8852
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á +3 bvzz 2026-04-01 3/150 2026-04-03 09:47 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 302Çóµ÷¼Á +9 zyxÉϰ¶£¡ 2026-04-02 9/450 2026-04-02 23:07 by Âí¶ù¿ì¿ìµØÅÜ
[¿¼ÑÐ] 362Çóµ÷¼Á +14 Î÷ÄϽ»²ÄÁÏר˶3 2026-03-31 14/700 2026-04-02 17:50 by yunlongyang
[¿¼ÑÐ] Çóµ÷¼Á +7 Aniyaio 2026-04-02 7/350 2026-04-02 16:42 by zzsw+
[¿¼ÑÐ] ²ÄÁϹ¤³Ì322·Ö +8 ¹þ¹þ¹þºðºðºð¹þ 2026-04-01 8/400 2026-04-02 11:53 by 3041
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û