[SciPy-dev] Problem with flapack

Fernando Pérez fperez at pizero.colorado.edu
Fri Feb 15 15:46:19 CST 2002

> If a polynomial has only real and conjugate complex roots the coefficients
> are real. This is a very easy way to determine if the coefficients of a
> polynomial can be polished to real.

As I said, cases (like this) where there's an analytical argument underneath
backing up the cleanup may be fine. But as a general procedure, no (see
Pearu's post for the same feeling with an example of his). In general I just
prefer to be conservative than inadvertedly truncate potentially important



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