Dear all,

I want to compute the eigenvalues of a complex matrix for some statistics.
Comparing it to its matlab/octave sibling, I don't get the same eigenvalues
in R computing it from the exact same matrix.

In R, I used eigen() and arpack() that give different eigenvalues. In
matlab/octave I used eig() and eigs() that give out the same eigenvalues but
different to the R ones.
For real matrices, R and matlab/octave are consistent.

Does anybody know what could go on here and how I could get consistent
eigenvalues in R? Since I definitely want to do the analysis in R.

Many thanks,
David

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