Roger Hui wrote:
> How do you know that those are not the right answers?
> http://en.wikipedia.org/wiki/Wilkinson_polynomial

Because I know the roots.  Wilkinson's polynomial comes from perturbing a
coefficient after the polynomial is expanded.

>From the practical point of view:

roots=: >@(1&{)@p.
q=:1;(i.20),20.0001
p=:p. q
r=:roots p

   >./|p&p. r
2.8237e14

Best wishes,

John



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