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Index in position 1 exceeds array bounds.

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Maryam Almannaee
Maryam Almannaee 2021-11-25
评论： DGM 2021-11-25
I got an error while trying to run this code , this command occurs Index in position 1 exceeds array bounds.
Happy = [trainf(1,:);trainf(3,:);trainf(5,:);trainf(6,:);trainf(15,:);trainf(16,:)];
When running trainf in command window I get
trainf =
[ ]
and when running rref i get
Not enough input arguments.
Error in rref (line 23)
[m,n] = size(A);
how can I fix this error
  2 个评论
dpb
dpb 2021-11-25
编辑：dpb 2021-11-25
By defining trainf first before trying to use it, may be a starting point...
DGM
DGM 2021-11-25
You don't mention how you're calling rref(), but from the error, it seems you're calling it with no arguments. If you want to find the rref of a matrix, you actually have to specify one.

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