[Numpy-discussion] roots and high-order polynomial
Mon Jul 6 10:57:56 CDT 2009
Le lundi 06 juillet 2009 à 17:13 +0200, Nils Wagner a écrit :
> IIRC, the coefficients of your polynomial are complex.
> So, you cannot guarantee that the roots are complex
> conjugate pairs.
Correct! If the construction is done with X1 and X1* treated separately,
the coefficients appear to be complex. But if their processing is done
simultaneously, the combination gives real coefficients. Let me modify
this point and come back to tell you if it is the breakpoint...
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