index exceeded matrix dimensions please help

2019 4 16

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更新时间：2021 8 20

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0 个投票

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
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per isakson 2019-4-16

((N/2)+1:N) is greater than 1

Fmag is a scalar

Thus the error

Walter Roberson 2019-4-16

Do not use norm() to find the magnitude of the spectrum. Use abs() .

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