±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1729  |  »Ø¸´: 3

Jeaff

Ìú³æ (СÓÐÃûÆø)

[ÇóÖú] Ô¼ÊøÎªÏßÐÔ£¬Í¹¼¯£¬Ä¿±êº¯Êýº£Éª¾ØÕ󸺶¨£¬ÔõôÇ󼫴óÖµ£¿ ÒÑÓÐ2È˲ÎÓë

Ä¿±êº¯Êýf=(x,y)£¬´øÏßÐÔÔ¼Êø¡£
º£Éª¾ØÕóH<0,
f¶ÔxµÄÒ»½éµ¼ÊÇx,yµÄÏßÐÔº¯Êý
f¶ÔyµÄÒ»½éµ¼ÊÇxµÄÏßÐÔº¯Êý£¬ºÍyÎ޹ء£
ÔõôÇófµÄ¼«´óÖµ¡£
лл£¡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

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

hyl20012

ľ³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
¡¶×îÓÅ»¯¡·Ô¼ÊøÓÅ»¯Õ½ڲ»ÊÇÓкܶ෽·¨Ç󼫴ó¼«Ð¡ÖµÂð£¬Ö»²»¹ýÄãÕâ¸öÊÇÌØÊâµÄÇéÐÎ
Ï£Íû×Ô¼ºÃ¿Ìì¶¼ÊÇ¿ª¿ªÐÄÐĵÄ
2Â¥2014-12-08 18:47:02
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

EastDuke

Ìú¸Ëľ³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
Õâ²»¾ÍÊÇjoint concavity¡£¡£¡£¡£Ö±½ÓÇó½âÒ»½×µ¼ÊýµÈÓÚ0¶ÔÓ¦µÄ·½³Ì²»¾ÍokÁË
3Â¥2014-12-09 08:44:35
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Jeaff

Ìú³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
3Â¥: Originally posted by EastDuke at 2014-12-09 08:44:35
Õâ²»¾ÍÊÇjoint concavity¡£¡£¡£¡£Ö±½ÓÇó½âÒ»½×µ¼ÊýµÈÓÚ0¶ÔÓ¦µÄ·½³Ì²»¾ÍokÁË

º£Éª¾ØÕóСÓÚ0.¡£¡£²»ÊÇ´óÓÚ0
4Â¥2014-12-09 09:27:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ Jeaff µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 289Çóµ÷¼Á +8 ÐÂʱ´ú²ÄÁÏ 2026-03-27 8/400 2026-03-28 04:09 by fmesaito
[¿¼ÑÐ] 286Çóµ÷¼Á +3 ¶ªµôÀÁ¶è 2026-03-27 6/300 2026-03-27 23:46 by barnett0632
[¿¼ÑÐ] 085600£¬²ÄÁÏÓ뻯¹¤321·Ö£¬Çóµ÷¼Á +9 ´ó²öС×Ó 2026-03-27 9/450 2026-03-27 14:30 by mmm just
[¿¼ÑÐ] һ־Ը̫ԭÀí¹¤°²È«¹¤³Ì300·Ö£¬Çóµ÷¼Á +4 0857Çóµ÷¼Á. 2026-03-24 4/200 2026-03-27 14:03 by ¾²¾²¾²¾²¾²¾²¾²¾
[¿¼ÑÐ] 311Çóµ÷¼Á +7 lin0039 2026-03-26 7/350 2026-03-27 12:42 by ¹û¹ûÂèßä
[¿¼ÑÐ] Çóµ÷¼Á +6 ÁÖ֮Ϧ 2026-03-24 6/300 2026-03-27 08:38 by hypershenger
[¿¼ÑÐ] ²ÄÁÏѧ˶£¬Çóµ÷¼Á 6+5 ÌǺù«888ll 2026-03-22 10/500 2026-03-27 08:18 by hypershenger
[¿¼ÑÐ] 317Çóµ÷¼Á +7 µ°»ÆÏÌÈâôÕ 2026-03-26 7/350 2026-03-27 02:29 by fmesaito
[¿¼ÑÐ] 085602»¯Ñ§¹¤³ÌÇóµ÷¼Á¡£ +4 ƽÀÖÀÖÀÖ 2026-03-26 4/200 2026-03-26 17:57 by fmesaito
[¿¼ÑÐ] ×ÊÔ´Óë»·¾³ µ÷¼ÁÉêÇë(333·Ö) +9 holy J 2026-03-21 9/450 2026-03-26 15:47 by 161765490
[¿¼ÑÐ] Ò»Ö¾Ô¸ ÄϾ©Óʵç´óѧ 288·Ö ²ÄÁÏ¿¼ÑÐ Çóµ÷¼Á +3 jl0720 2026-03-26 3/150 2026-03-26 13:39 by zzll406
[¿¼ÑÐ] 26¿¼ÑÐ-291·Ö-ÏÃÃÅ´óѧ£¨085601£©-ÈáÐÔµç×ÓѧԺ²ÄÁϹ¤³ÌרҵÇóµ÷¼Á +3 min3 2026-03-24 4/200 2026-03-25 18:22 by xcjcqu
[¿¼ÑÐ] ÍøÂç¿Õ¼ä°²È«0839Õе÷¼Á +4 w320357296 2026-03-25 6/300 2026-03-25 17:59 by 255671
[¿¼ÑÐ] 347Çóµ÷¼Á +4 L when 2026-03-25 4/200 2026-03-25 13:37 by cocolv
[¿¼ÑÐ] 291Çóµ÷¼Á +3 HanBeiNingZC 2026-03-24 3/150 2026-03-24 16:34 by barlinike
[¿¼ÑÐ] 305·ÖÇóµ÷¼Á£¨Ê³Æ·¹¤³Ì£© +5 Sxy112 2026-03-21 7/350 2026-03-24 12:27 by 544594351
[¿¼ÑÐ] 344Çóµ÷¼Á +3 desto 2026-03-24 3/150 2026-03-24 10:09 by ²«»÷518
[¿¼ÑÐ] 269Çóµ÷¼Á +4 ÎÒÏë¶ÁÑÐ11 2026-03-23 4/200 2026-03-23 21:25 by pswait
[¿¼ÑÐ] 315·Ö£¬³ÏÇóµ÷¼Á£¬²ÄÁÏÓ뻯¹¤085600 +3 13756423260 2026-03-22 3/150 2026-03-22 20:11 by edmund7
[¿¼ÑÐ] Çóµ÷¼Á +4 ÒªºÃºÃÎÞÁÄ 2026-03-21 4/200 2026-03-21 18:57 by ѧԱ8dgXkO
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û