From: Zhao, Jun
Date: Mon, 11 Oct 2010 13:44:35 -0700
I wonder why there is no interface of the routine zheevr() to compute
the top and bottom eigen-pairs? Currently, I have to call it twice. I
would think that one call should be able to reduce much of CPU time, at
least those for reducing the matrix to the tri-diagonal one.
Any comments or suggestions are appreciated.
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