Some problem in taking values from particular text file

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RS
RS 2013-8-24
I have a matrix A 965*365 want to make from this matrix a matrix Z such that it is having only three rows such that in 1st row value of A(:,1), A(:,4), A(:,7) and so on and in second row value of A(:,2), A(:,5) and so on and in third row value of A(:,3), A(:,6) and so on
Z=[];n=1;
for i=1:4:3864
Z(n:n+965,1)=A(:,i+2);
Z(n:n+965,2)=A(:,i+3);
Z(n:n+965,3)=A(:,i);
n=n+965;
end
Subscripted assignment dimension mismatch.
Plz tell me how can I solve it?

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采纳的回答

Azzi Abdelmalek
Azzi Abdelmalek 2013-8-24
A1=A(:,1:3:end);
A2=A(:,2:3:end);
A3=A(:,3:3:end);
out=[A1(:) A2(:) A3(:)]'
  1 个评论
Image Analyst
Image Analyst 2013-8-24
Because Azzi wrote code for exactly what you said, but you are not saying what you want. Please describe what you want accurately next time.

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更多回答（1 个）

per isakson
per isakson 2013-8-24
编辑：per isakson 2013-8-24
Is this what you intended?
function Z = cssm
A = randi( 12, [965,365] );
Z=[];
n=1;
N_end = 964;
for i=1:4:364
Z(n:n+N_end,1)=A(:,i+2);
Z(n:n+N_end,2)=A(:,i+3);
Z(n:n+N_end,3)=A(:,i);
n=n+N_end + 1;
end
end
Anyhow, it returns a result.
.
Here are some links on debugging in Matlab

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