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Kmeans does not accept complex numbers

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Ahmad Kamal Bin Mohd Nor
Ahmad Kamal Bin Mohd Nor le 20 Juin 2019
Commenté : Walter Roberson le 20 Juin 2019
Why do Matlab says that kmeans does not accept complex data when my data are not complex numbers?
  2 commentaires
KSSV
KSSV le 20 Juin 2019
May be your data has a complex number.
Check:
nnz(~isreal(data))
If the above gives some number, it means your data has complex numbers.
Walter Roberson
Walter Roberson le 20 Juin 2019
Put a condition breakpoint on the line that calls kmeans, testing your data. Suppose that your data to be clustered is named Data, then the breakpoint condition could be
any(imag(Data(:)))
and run your code. The problem does not necessarily happen immediately.

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