Znn3bq.jpeg
²é¿´: 674  |  »Ø¸´: 6
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

felix2018

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

[ÇóÖú] ´óÉñÃǰïæ¿´ÏÂÕâÑùµÄ²»µÈʽ£¬Ð»Ð»ÁË£¡ ÒÑÓÐ2È˲ÎÓë

M^k¡ÜkM+(1-k)M^2£¬ M¡Ê[0,1)£¬kΪÕûÊý£¡ÎªÊ²Ã´ËüСÓÚÓұߵÄÕâÑùµÄʽ×Ó£¬ÓÐʲôÀíÂÛÂð£¿Çë´óÉñÃÇÖ¸µ¼£¿

[ ·¢×ÔÊÖ»ú°æ http://muchong.com/3g ]
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÊÀÉÏûÓоøÍûµÄ´¦¾³£¬Ö»ÓжԴ¦¾³¾øÍûµÄÈË£¡
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

peterflyer

ľ³æÖ®Íõ (ÎÄѧ̩¶·)

peterflyer


¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
Õâ¸öʽ×Ó²»³ÉÁ¢°É¡£±ÈÈç´æÔÚÏÂÃæµÄ·´Àý£ºM=0.5¡Ê[0,1)£¬k=-2ΪÕûÊý¡£Ôò£º
×ó±ß=0.5^(-2)=4
ÓÒ±ß=-2*0.5+[1-(-2)]*0.5^2=-1+3/4=-1/4
ÏÔÈ»£¬×ó±ß>Óұߡ£
Òò´Ë£¬Â¥Ö÷µÄʽ×Ó²»³ÉÁ¢¡£
3Â¥2015-04-26 20:39:48
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 7 ¸ö»Ø´ð

jabile

ľ³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
KÊÇÕýÕûÊý°É£¬
M^k+kM^2<kM+M^2ÏÔÈ»³ÉÁ¢¡£
k=0£¬»òÕ߸ºÕûÊý£¬M³ä·Ö½Ó½ü0£¬¸Ã²»µÈʽ²»¿ÉÄܳÉÁ¢
2Â¥2015-04-26 16:25:45
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

felix2018

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by jabile at 2015-04-26 16:25:45
KÊÇÕýÕûÊý°É£¬
M^k+kM^2<kM+M^2ÏÔÈ»³ÉÁ¢¡£
k=0£¬»òÕ߸ºÕûÊý£¬M³ä·Ö½Ó½ü0£¬¸Ã²»µÈʽ²»¿ÉÄܳÉÁ¢

kΪÕýÕûÊý£¡

[ ·¢×ÔÊÖ»ú°æ http://muchong.com/3g ]
ÊÀÉÏûÓоøÍûµÄ´¦¾³£¬Ö»ÓжԴ¦¾³¾øÍûµÄÈË£¡
4Â¥2015-05-08 14:49:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

felix2018

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
3Â¥: Originally posted by peterflyer at 2015-04-26 20:39:48
Õâ¸öʽ×Ó²»³ÉÁ¢°É¡£±ÈÈç´æÔÚÏÂÃæµÄ·´Àý£ºM=0.5¡Ê[0,1)£¬k=-2ΪÕûÊý¡£Ôò£º
×ó±ß=0.5^(-2)=4
ÓÒ±ß=-2*0.5+*0.5^2=-1+3/4=-1/4
ÏÔÈ»£¬×ó±ß>Óұߡ£
Òò´Ë£¬Â¥Ö÷µÄʽ×Ó²»³ÉÁ¢¡£

kΪÕýÕûÊý£¡²»µÈʽ³ÉÁ¢Âð£¿

[ ·¢×ÔÊÖ»ú°æ http://muchong.com/3g ]
ÊÀÉÏûÓоøÍûµÄ´¦¾³£¬Ö»ÓжԴ¦¾³¾øÍûµÄÈË£¡
5Â¥2015-05-08 14:49:39
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Çóµ÷¼Á +9 СÄô°®Ñ§Ï° 2026-04-16 11/550 2026-04-17 22:34 by chixmc
[¿¼ÑÐ] ½ÓÊÜÈκε÷¼Á +4 Ò²¾ÍÊÇÀõ×Ó 2026-04-17 4/200 2026-04-17 17:57 by Equinoxhua
[½Ìʦ֮¼Ò] ɽ¶«Ë«·ÇԺУ¿¼ºË³¬¼¶ÎÞµ×Ïߣ¬Áìµ¼ÐÒÔÖÀÖ»ö£¬½ÌʦÔâÑê¿Ö +4 qut2026 2026-04-11 8/400 2026-04-17 16:10 by »á·ÉµÄÖí157
[¿¼ÑÐ] 0854Çóµ÷¼Á +21 ÃÅ·ÃþÃþ 2026-04-15 25/1250 2026-04-17 15:45 by qzxyhcsy
[¿¼ÑÐ] 26ҩѧר˶105500Çóµ÷¼Á +6 à¶¹þ¼ÓÓÍ 2026-04-13 7/350 2026-04-16 14:31 by zhouxiaoyu
[¿¼ÑÐ] ҩѧÇóµ÷¼Á +14 à¶¹þ¼ÓÓÍ 2026-04-14 16/800 2026-04-16 10:15 by beilsong20
[¿¼ÑÐ] 279ѧ˶ʳƷרҵÇóµ÷¼ÁԺУ 20+7 ¹Â¶ÀµÄÀǰ®³ÔÑò 2026-04-12 29/1450 2026-04-16 09:00 by screening
[¿¼ÑÐ] 297¹¤¿Æµ÷¼Á? +14 ºÓÄÏũҵ´óѧ-ÄÜ 2026-04-13 15/750 2026-04-15 13:25 by ºÚ¿Æ¼¼¿óÒµ
[¿¼ÑÐ] ҩѧ305Çóµ÷¼Á +7 Â꿨°Í¿¨boom 2026-04-11 7/350 2026-04-15 13:21 by Î÷±±Íû¡ª·çɳ
[¿¼ÑÐ] 271Çóµ÷¼Á +35 2261744733 2026-04-11 41/2050 2026-04-14 15:36 by zs92450
[½Ìʦ֮¼Ò] ת³¤Æ¸ÁË +7 ¼òµ¥»¯xn 2026-04-13 7/350 2026-04-14 14:50 by xindong
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤329·ÖÇóµ÷¼Á +24 Ò¶zilin 2026-04-13 25/1250 2026-04-14 09:20 by ÊÔ¹ÜÆÆÁÑ
[¿¼ÑÐ] 300·ÖÇóµ÷¼Á £¨085501»úеר˶£¬±¾¿ÆÑï´ó£© +9 xu@841019 2026-04-11 10/500 2026-04-14 08:48 by ľľmumu¡«
[¿¼ÑÐ] Çóµ÷¼Á +3 ÎÒ°®¸ßÊý¸ßÊý°®Î 2026-04-12 3/150 2026-04-14 01:00 by Íõ¬Bè±
[¿¼ÑÐ] Çóµ÷¼Á£¬985²ÄÁÏÓ뻯¹¤348·Ö +9 º­ÖñÁõ 2026-04-11 14/700 2026-04-13 22:26 by º­ÖñÁõ
[¿¼ÑÐ] 2026˶ʿµ÷¼Á_Äܶ¯_ºÓÄÏũҵ´óѧ +4 ºÓÄÏũҵ´óѧ-ÄÜ 2026-04-12 4/200 2026-04-13 22:01 by bljnqdcc
[¿¼ÑÐ] 293Çóµ÷¼Á +16 ÎÒ°®¸ßÊý¸ßÊý°®Î 2026-04-12 18/900 2026-04-13 21:47 by ѧԱJpLReM
[¿¼ÑÐ] ²ÄÁÏ¿¼Ñе÷¼Á +29 ÔÆÄ¾´ï´ï 2026-04-11 31/1550 2026-04-13 13:32 by lyh³ÀÏʦ
[¿¼ÑÐ] 290Çóµ÷¼Á +18 ¿Â»´È» 2026-04-12 20/1000 2026-04-13 12:56 by cyh¡ª315
[¿¼ÑÐ] ¡£ +10 Àî¶àÃ×lee. 2026-04-12 11/550 2026-04-12 22:58 by yuyin1233
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û