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2Â¥2010-11-21 18:41:47
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ÎÒÄÜÐУ¡(½ð±Ò+10): 2010-11-21 21:04:12
robert2020(½ð±Ò+2):¶àлӦÖú£¡»¶Ó­³£À´·ÂտģÄâ°æ½»Á÷£¡ 2010-11-22 08:36:08
ÒýÓûØÌû:
Originally posted by ÎÒÄÜÐУ¡ at 2010-11-21 17:57:06:
Èç¾ØÕóa=[1 2 3;
                2 4 5;
                4 3 6;
               7 2 1;
               8 6 7]
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     ...

º¯Êý  randperm
¸ñʽ  p = randperm(n)     %²úÉú1¡«nÖ®¼äÕûÊýµÄËæ»úÅÅÁÐ
CODE:
a = [ 1, 2, 3;
    4, 5, 6;
    7, 8, 9;
    10, 11, 12];
[ m, n ] = size( a );

b = a( randperm( m ), : )

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