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Index exceeds matrix dimensions error.

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ajk1
ajk1 2015-4-21
评论： ajk1 2015-4-21
Hi, I would like to know how to change the 0's in C that are in the same position where d1 finds values where (d<=d0) with the corresponding d2 value. d is a 100x1 array and d0 is the mean value. For instance if the first and fourth elements in d are less than d0, then the first and fourth elements in d2 are stored as the first and fourth elements in C respectively.
C=zeros(100,1);
d = randi(10, 100, 1);
d0 = mean(d);
d1=find(d<=d0);
d2 = randi(10, length(d1), 1);
C(d1)=d2(d1);

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Adam
Adam 2015-4-21
You should just be able to replace that last line with
C(d1)=d2;
You have already trimmed d2 to the size of d1 in the previous line.

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