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llsky320

Í­³æ (СÓÐÃûÆø)

[ÇóÖú] Çë½Ì¸ömatlabÖеÄrandº¯Êý

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ÓÃrand»òÕ߯äËûmatlabÃüÁî¸ÃÔõô±í´ï£¿

ÁíÍ⣬ÎÒÏë²úÉúÀàËÆµÄN¸öÊý£¬1µÄ³öÏÖ¸ÅÂÊΪ0.5£¬Óà rand(1,n)>0.5£¬¿ÉÒÔ²»¿ÉÒÔ£¿

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» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

dbb627

ÈÙÓþ°æÖ÷ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï
xiegangmai(½ð±Ò+2): ллӦÖú£¡ 2011-07-01 09:26:08
llsky320(½ð±Ò+5): лл¡£ 2011-07-01 12:52:57
>> N=zeros(1,100);
n=0;
for i=1:100
    s=rand(1,1);
    if s<=0.3
        N(i)=1;
        n=n+1;
    else
        N(i)=0;
    end
end
n

n =

    30
The more you learn, the more you know, the more you know, and the more you forget. The more you forget, the less you know. So why bother to learn.
2Â¥2011-07-01 08:50:12
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

llsky320

Í­³æ (СÓÐÃûÆø)

¡ï
³ôË®¹µ(½ð±Ò+1): ллӦÖú~~ 2011-07-23 10:18:12
ÒýÓûØÌû:
Originally posted by dbb627 at 2011-07-01 08:50:12:
>> N=zeros(1,100);
n=0;
for i=1:100
    s=rand(1,1);
    if s<=0.3
        N(i)=1;
        n=n+1;
    else
        N(i)=0;
    end
end
n

n =

    30

¸É´àд³öÕâÑùÐв»ÐУº
rand(1,n)<0.3
3Â¥2011-07-01 12:53:41
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

whx-002

½ð³æ (³õÈëÎÄ̳)

¡ï
³ôË®¹µ(½ð±Ò+1): ллӦÖú~~ 2011-07-23 10:18:19
randerr(1,N,round(N/2))
4Â¥2011-07-23 09:53:29
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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