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chiyouyang

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A = [16    15    14    15
      4    13     8    12
     10     8    10     3
      8     1    13     7]
[ia,ib,v] = find(A(:,2)==8)      % ÔÚ A µÄµÚ 2 ÁУ¨A(:,2)£©ÕÒ 8 µÄλÖÃ
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A =
    16    15    14    15
     4    13     8    12
    10     8    10     3
     8     1    13     7
ia =
     3                     % ÔÚµÚ 3 ÐÐ
ib =
     1
v =
     1
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Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
chiyouyang: ½ð±Ò+5, ¸Ðл½âÒ»°ë»ó£¡£¡ 2015-11-04 22:50:53
A(:,2)=[15
           13
            8
            1]
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[ia,ib,v] = find(A==8)¿ÉÒÔ¿´³ö8µÄλÖÃÓÐ3¸ö£¬ÊÇÕýÈ·µÄ¡£
4Â¥2015-11-04 11:14:06
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chiyouyang

ľ³æ (ÕýʽдÊÖ)

[i,j,v] = find(X) returns a column vector v of the nonzero entries in X, as well as row and column indices.
2Â¥2015-11-04 10:46:34
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5Â¥2015-11-04 11:15:29
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