On Tue, 5 May 2015, Paul Royik wrote:
How can this be applied to systems?
What kind of systems? Let us define f(x,y):
f(\sqrt{2}, \sqrt[3}) = 0
f(x,y) = x^2+y^2+1 if (x is not \sqrt{2}) or (y is not \sqrt[3})
Now this clearly has a root, but no numerical method can find it. So we
must have some assumptions.
-- Jori Mäntysalo
