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JuliaIntervals / IntervalRootFinding.jl

Library for finding the roots of a function using interval arithmetic
https://juliaintervals.github.io/IntervalRootFinding.jl/
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Difficult benchmark problem #142

Open dpsanders opened 4 years ago

dpsanders commented 4 years ago

https://link.springer.com/article/10.1023/A:1008236911603

dpsanders commented 4 years ago

As stated in Ratschek 1993, the last equation should be x1 * x3 - x2 * x4 == 0, not x1 - x3 - x2*x4 == 0.