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gongzuokuang

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dnp

ÈÙÓþ°æÖ÷ (ÖªÃû×÷¼Ò)

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·ÑÒ¦ÓÀ·Ò: ½ð±Ò+3, лл ½»Á÷ 2014-07-03 09:53:21
gongzuokuang: ½ð±Ò+10, ¡ï¡ï¡ïºÜÓаïÖú 2014-07-03 22:12:44
ÄãÕâÑùµÄ·½Ê½ÊǶÔÿһ¸ö¹âÆ×°´ÕÕÑù±¾½øÐÐÆ½¾ùµÄ£¬È»ºó³ýÒÔÿһ¸ö¹âÆ×µãÏÂÑù±¾µÄ±ê׼ƫ²î£»µ«Ã¿Ò»Ìõ¹âÆ×Ó¦µ±ÊǶԸ÷×ԵĹâÆ×½øÐбê×¼»¯£¬¼´¼õÈ¥ÕâÌõ¹âÆ×µÄƽ¾ùÖµ£¬ÔÙ³ýÒÔÕâÌõ¹âÆ×µÄ±ê׼ƫ²î£»ËùÒÔÓ¦¸ÃÊÇÕâÑùµÄ£º
CODE:
% X is a data matrix with each row being an NIR spectrum
a = mean(X,2);
X1 = X-a(:,ones(1,size(X,2)));
stdr=std(X,0,2);
sr=X1./stdr(:,ones(1,size(X,2)));

What would Jesus do?
5Â¥2014-07-02 23:44:59
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 5 ¸ö»Ø´ð

dnp

ÈÙÓþ°æÖ÷ (ÖªÃû×÷¼Ò)

Сľ³æÀË×Ó

ÓÅÐã°æÖ÷

ÄãÊÇÔõô½øÐÐÆ½¾ù±ê×¼»¯µÄ£¿
What would Jesus do?
2Â¥2014-07-02 11:40:55
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

gongzuokuang

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by dnp at 2014-07-02 11:40:55
ÄãÊÇÔõô½øÐÐÆ½¾ù±ê×¼»¯µÄ£¿

ÀýÈç
X=[1 2 3;4 5 6]

X =

     1     2     3
     4     5     6

>> a=mean(X)

a =

2.5000    3.5000    4.5000
X1=X-a(ones(2,1),
stdr=std(X1);
>> sr=X1./stdr(ones(2,1),;

sr¼´Îª±ê×¼»¯ºóµÄÊý¾Ý
3Â¥2014-07-02 22:59:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

gongzuokuang

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
3Â¥: Originally posted by gongzuokuang at 2014-07-02 22:59:19
ÀýÈç
X=

X =

     1     2     3
     4     5     6

>> a=mean(X)

a =

2.5000    3.5000    4.5000
X1=X-a(ones(2,1),
stdr=std(X1);
>> sr=X1./stdr(ones(2,1),;

sr¼´Îª ...

±íʾðºÅµ¥À¨ºÅ±»
4Â¥2014-07-02 23:04:07
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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