I ran into a case that BOBYQAOptimizer hang in line 485. trsbox is pretty
complex method and I'm not familiar with the algorithm. It seems going
into infinite loop between different states.
final double[] dsqCrvmin = trsbox(delta, gnew, xbdi, s,
hs, hred);
Here is the test case for it. After reducing the value to <2.24 it hang in
trsbox method without progress.
Can someone shed light on what might be happening, and how to deal with
it? Thanks.
Andrew
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