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Use Nminimize within RegionPlot in Mathematica 11.1?

Apparently Nminimze does not work anymore within RegionPlot (I worked before my last upgrade). I saw other user posts on the internet having similar problems. For example this produces an error:

RegionPlot[First@NMinimize[1 + a t + b t^2, t] > 0, {a, 0, 3}, {b, 0, 4}]

Has this been solved in Release 12 ? Is there a workaround in 11.1?

Thanks,

Thomas
POSTED BY: Thomas Troeger
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Jim Baldwin
Jim Baldwin
Posted 6 years ago

If you are going to ask the same question simultaneously on multiple forums, you should add that information in your question: https://mathematica.stackexchange.com/questions/209906/nminimize-cannot-be-used-within-regionplot.
POSTED BY: Jim Baldwin

Hi Jim, thanks for telling me. The workaround is nice.

Still my question stands whether the problem has been solved in Release 12 (I did not ask this in the other forum).
POSTED BY: Thomas Troeger
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