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  • $\begingroup$ Thanks for your answer. Was not aware of these kind of issues. I am not only interested in the evaluation of this but also in the analytical expression itself. Do you also know an answer to the first part? Like one can force a solution with real numbers, by giving constraints on the inputs or so? $\endgroup$ Commented Jan 22, 2024 at 15:09
  • $\begingroup$ @VincentWieland, please see my update. $\endgroup$ Commented Jan 22, 2024 at 15:33