[Numpy-discussion] higher accuracy in diagonialzation
sunghwanchoi91 at gmail.com
Mon Oct 27 04:37:58 EDT 2014
I am now diagonalizing a 200-by-200 symmetric matrix. But the two methods,
scipy.linalg.eigh and numpy.linalg.eigh give significantly different result.
The results from two methods are different within 10^-4 order. One of them
is inaccurate or both two of them are inaccurate within that range. Which
one is more accurate? or Are there any ways to control the accuracy for
diagonalization? If you have some idea please let me know.
Ph. D. candidator
Department of Chemistry
KAIST (South Korea)
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