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yy5393

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woshilsh

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sunxiao(½ð±Ò+1,VIP+0):²»Òª²»ÐУ¬ºÇºÇ 4-2 23:21
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2Â¥2009-04-02 22:17:00
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windhair

Í­³æ (СÓÐÃûÆø)

¡ï ¡ï ¡ï ¡ï
sunxiao(½ð±Ò+3,VIP+0):лл²ÎÓë½»Á÷£¬»¶Ó­³£À´·ÂÕæ±à³Ì°æ 4-2 23:21
yy5393(½ð±Ò+1,VIP+0):лл 4-3 16:07
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3Â¥2009-04-02 22:36:57
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lynarcissusly

½ð³æ (ÕýʽдÊÖ)

¡ï
yy5393(½ð±Ò+1,VIP+0):ÎÒÊÔÊÔ 4-3 16:07
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4Â¥2009-04-03 14:10:13
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fspdlh

½ð³æ (ÕýʽдÊÖ)

¡ï ¡ï
sunxiao(½ð±Ò+2,VIP+0):лл²ÎÓ룬»¶Ó­³£À´·ÂÕæ±à³Ì°æ 4-13 22:23
ÕâÊÇÎÒÏëµ½µÄ·½·¨£¬ÒÔ100¸öÖÐÈ¡10¸öΪÀý£¬ÓÃMATLAB¸ãµÄ
>> a=rand(1,11)'

a =

    0.6813
    0.3795
    0.8318
    0.5028
    0.7095
    0.4289
    0.3046
    0.1897
    0.1934
    0.6822
    0.3028

>> a=cumsum(a)

a =

    0.6813
    1.0608
    1.8926
    2.3954
    3.1048
    3.5337
    3.8383
    4.0280
    4.2214
    4.9037
    5.2064

>> a=a.*100./a(end)

a =

   13.0853
   20.3740
   36.3504
   46.0079
   59.6348
   67.8726
   73.7234
   77.3660
   81.0813
   94.1848
  100.0000

>> a=round(a)

a =

    13
    20
    36
    46
    60
    68
    74
    77
    81
    94
   100

>> a=a(1:end-1)

a =

    13
    20
    36
    46
    60
    68
    74
    77
    81
    94

>>
5Â¥2009-04-12 23:23:02
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fspdlh

½ð³æ (ÕýʽдÊÖ)

¡ï ¡ï
sunxiao(½ð±Ò+2,VIP+0):лл²ÎÓ룬»¶Ó­³£À´·ÂÕæ±à³Ì°æ 4-13 22:24
»¹¿ÉÒÔÔÚÉú³ÉËæ»úÊýºóÿ¸öÖµ¶¼¼ÓÉÏÒ»¸ö³£Êý£¬À´±£Ö¤¼ä¸ô£¬±ÈÈç˵¼ä¸ô²»Ð¡ÓÚ£¶£¬²»¹ýÕâµØ·½ÒªËãһϣ¬ÎÒÏëÓ¦¸ÃÊÇÄÜ×öµ½µÄ£¬¾ÍÊÇ˵ÔÚµÚÒ»²½Éú³ÉËæ»úÊýºó¼ÓÉÏÒ»²½
>> a=rand(1,11)'

a =

    0.5298
    0.6405
    0.2091
    0.3798
    0.7833
    0.6808
    0.4611
    0.5678
    0.7942
    0.0592
    0.6029

>> a(2:end-1)=a(2:end-1)+0.2
a =

    0.5298
    0.8405
    0.4091
    0.5798
    0.9833
    0.8808
    0.6611
    0.7678
    0.9942
    0.2592
    0.6029
Õâ¸ö¼ÓÉϵÄÖµÔõôµ÷»¹ÒªËãһϣ¬ÎÒºöÈ»Ïëµ½µÄ£¬²»Öª¶Ô²»¶Ô

[ Last edited by fspdlh on 2009-4-13 at 00:16 ]
6Â¥2009-04-12 23:30:51
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

fspdlh

½ð³æ (ÕýʽдÊÖ)

¡ï
sunxiao(½ð±Ò+1,VIP+0):лл²ÎÓ룬»¶Ó­³£À´·ÂÕæ±à³Ì°æ 4-13 22:24
ÎÒËãÁËһϣ¬Èç¹û£±µ½MÖ®¼ä²åÈën¸öÊý£¬¼ä¸ô²»Ð¡ÓÚd£¬ÄÇôÁíÍâ¼ÓµÄÕâ¸öÊý¿ÉÒÔ°´ÏÂʽ¼ÆËã:
t=d*(n+1)/(2*(M-d*n+d))
ÒòΪ
t*M/(sum(a)+t*n-t)=d
ÆäÖÐsum(a)Ϊ¸÷Ëæ»úÊýµÄ×ܺͣ¬Ô¼µÈÓÚ0.5*(n+1),´ÓÕâÀïÒ²¿É¿´³ö£¬²åÈëµÄÊý¾ÝÔ½¶à¸Ã¼ÆËãʽԽ׼ȷ¡£
²»Öª¶Ô²»¶Ô£¬Çë¸ßÊÖÖ¸Õý£¡

[ Last edited by fspdlh on 2009-4-13 at 00:25 ]
7Â¥2009-04-13 00:04:06
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

fspdlh

½ð³æ (ÕýʽдÊÖ)

¡ï ¡ï
sunxiao(½ð±Ò+2,VIP+0):лл²ÎÓ룬»¶Ó­³£À´·ÂÕæ±à³Ì°æ 4-13 22:25
ÕâÊÇ´Ó0µ½100Ö®¼äÉú³É10¸ö¼ä¸ô´óÓÚ5µÄËæ»úÊý
>>  M=100

M =

   100

>> n=10

n =

    10

>> d=5

d =

     5

>> t=d*(n+1)/(2*(M-d*n+d))

t =

    0.5000

>> a=rand(1,11)'

a =

    0.9501
    0.2311
    0.6068
    0.4860
    0.8913
    0.7621
    0.4565
    0.0185
    0.8214
    0.4447
    0.6154

>> a(2:end-1)=a(2:end-1)+0.5

a =

    0.9501
    0.7311
    1.1068
    0.9860
    1.3913
    1.2621
    0.9565
    0.5185
    1.3214
    0.9447
    0.6154

>>  a=cumsum(a)

a =

    0.9501
    1.6813
    2.7881
    3.7741
    5.1654
    6.4275
    7.3840
    7.9025
    9.2239
   10.1686
   10.7840

>>  a=a.*100./a(end)

a =

    8.8105
   15.5904
   25.8541
   34.9971
   47.8987
   59.6021
   68.4714
   73.2795
   85.5329
   94.2931
  100.0000

>> a=round(a)

a =

     9
    16
    26
    35
    48
    60
    68
    73
    86
    94
   100

>> a=a(1:end-1)

a =

     9
    16
    26
    35
    48
    60
    68
    73
    86
    94

>>

[ Last edited by fspdlh on 2009-4-24 at 09:20 ]
8Â¥2009-04-13 00:23:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

fspdlh

½ð³æ (ÕýʽдÊÖ)

sunxiao(½ð±Ò+0,VIP+0):³ÙÀ´µÄ½ð±Ò£¬ºÇºÇ 4-13 22:25
¶¥Ò»Ï£¬ºÇºÇ
9Â¥2009-04-13 17:36:11
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

duyingchun

Òø³æ (СÓÐÃûÆø)

¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
#include
#include

char RandomData[2500];
int   ActureData[200];

void InitData()
{
memset(RandomData,0,2500);
}

void CreatData()
{
int Num=0;
int Data;
while(Num<200)
     {
      Data=random(2500);
      if(RandomData[Data])   continue;
      RandomData[Data]=1;
      ActureData[Num++]=Data;
     }
}

void main()
{
randomize();
InitData();
CreateData();
}

200¸öËæ»úÊý×Ö´æÔÚActureDataÊý×éÀï,ûÓÐÅŹýÐò,Èç¹ûÐèÒªÅÅÐòµÄ»°,ÐÞ¸ÄÏÂCreateDataº¯ÊýÈçÏÂ:
void CreateData()
{
int Num=0,index=0;
int Data;
while(Num<200)
     {
      Data=random(2500);
      if(RandomData[Data])   continue;
      RandomData[Data]=1;
      Num++;
     }

Num=0;

while(index<200)
     {
      if(RandomData[Num])  ActureData[index++]=Num;
      Num++;
     }
}

[ Last edited by duyingchun on 2009-6-1 at 14:14 ]
10Â¥2009-06-01 14:03:48
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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[¿¼ÑÐ] 295²ÄÁϹ¤³Ìר˶Çóµ÷¼Á +7 1428151015 2026-03-27 7/350 2026-03-28 19:58 by S240
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