HP calcs are really not that accurate..
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12-04-2017, 09:39 AM
Post: #62
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RE: HP calcs are really not that accurate..
(12-04-2017 09:05 AM)ttw Wrote: One must use the "Interval Newton Method" which isn't Newton's method converted to interval arithmetic (as I described above).That's a bit disappointing. Looking at your first reference (the pdf), the requirements on f ensure that is is injective. In the one-dimensional situation this implies (together with smoothness) that it must be strictly monotonic. This is very restrictive and even the simple example f(x)=x^3-2x+2 does not meet the requirement. |
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