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In my problem, System`TRootsDump`GuessRealRoots works 10 to 300 times slower than Ted Ersek's RootSearch.
In the note [RootSearch problem when called from within ParallelDo][1] I described the problem with Ted Ersek's RootSearch package and came to the conclusion that it is caused by the fact that the derivative with respect to the parameter from the...
I found 2 isotopes in Wolfram database which are marked as unstable, but their lifetime is indicated as infinite (germanium-76 and selenium-82). The following chunck of code illustrates the issue: g1 = Table[{{z, a} , IsotopeData[{z, a}, ...