Circular convolution with single element array showing error

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Deepa Abraham 2019-1-22

评论： Deepa Abraham 2019-1-22

Hi ,

When I try to do circular convolution of two vectors,it shows error when one of the vectors is single element.

How do I rectify the problem? The error message is shown below:

>> s=[1];
>> q=[1 2];
>> res=cconv(s,q)

Error

Error using  .* Matrix dimensions must agree.
Error in cconv (line 46)
c = ifft(fft(datawrap(a,N),N).*fft(datawrap(b,N),N));

KSSV 2019-1-22

Try transposing ...

Deepa Abraham 2019-1-22

Yes,

Thanks, Now no issues

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