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jjinglin

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johnliu1983

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jjinglin: ½ð±Ò+5, ¡ï¡ï¡ïºÜÓаïÖú, ºÃµÄ£¬ÎÒÊÔÊÔ£¬Ð»Ð»£¡ 2013-02-27 20:48:50
data=rand(4000,20);%Ëæ»ú²úÉúÒ»¸ö¾ØÕó¡£
first_p=ceil(3000*rand(1));%²úÉúµÚÒ»¸ö²ÎÊý£¬ÔÚ1-3000ÖÐËæ»úѡһ¸ö¡£
second_p=ceil(10*rand(1));%²úÉúµÚ¶þ¸ö¡£
data1=data([first_p,second_p],;%data1¾ÍÊÇÄãÒªµÄÏòÁ¿¡£
Äã¿ÉÒÔ¸ù¾Ý×Ô¼ºÐèÒª¸ÄÒ»ÏÂ
2Â¥2013-02-27 20:14:06
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

libralibra

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

æôÆï½«¾ü

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jjinglin: ½ð±Ò+5, ¡ï¡ï¡ïºÜÓаïÖú, лл£¡ 2013-02-27 20:49:05
Õâ¸öÖ±½ÓÉèÖþÍÐÐÁË
CODE:
>> data = zeros(2,20);
>> data(1,:) = randi(3000,1,20);
>> data(2,:) = randi(10,1,20);

matlab/VB/python/c++/Javaд³ÌÐòÇë·¢QQÓʼþ:790404545@qq.com
3Â¥2013-02-27 20:45:59
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
4Â¥2013-02-27 21:02:32
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

jjinglin

½û³æ (ÕýʽдÊÖ)

±¾ÌûÄÚÈݱ»ÆÁ±Î

5Â¥2013-03-05 15:28:41
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

libralibra

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

æôÆï½«¾ü

ÒýÓûØÌû:
5Â¥: Originally posted by jjinglin at 2013-03-05 15:28:41
ÄúºÃ£¡randiÕâ¸öº¯ÊýËüÖ»°üº¬ÕûÊý£¬²»°üº¬Ð¡Êý£¬1-3000Ò²ÓÐСÊý°¡£¬ÈôÒ²Òª°üº¬Ð¡Êý£¬Ó¦¸ÃÓÃʲôº¯ÊýÄØ£¿Ð»Ð»£¡...

ÓÃrand
CODE:
>> data = zeros(2,20);
>> data(1,:) = rand(1,20)*3000;
>> data(2,:) = rand(1,20)*10;

matlab/VB/python/c++/Javaд³ÌÐòÇë·¢QQÓʼþ:790404545@qq.com
6Â¥2013-03-05 16:58:20
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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