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index exceeded matrix dimensions please help

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dulanga
dulanga 2019-4-16
关闭： MATLAB Answer Bot 2021-8-20
I get this error what should i do to correct this?
Index exceeds matrix dimensions.
Error in t31 (line 11)
F1=Fmag((N/2)+1:N);
my code
N=length(t);
Fshifted=fftshift(F);
Fmag=norm(Fshifted);
F1=Fmag((N/2)+1:N);
F2=Fmag(N/2:-1:1);
  2 个评论
per isakson
per isakson 2019-4-16
((N/2)+1:N) is greater than 1
Fmag is a scalar
Thus the error
Walter Roberson
Walter Roberson 2019-4-16
Do not use norm() to find the magnitude of the spectrum. Use abs() .

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