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| Thank you. I rebooted my machine and I now get the 17-30 second turnaround you mention. The timing depends (obviously) on the degree of the polynomials I put in front. I was kind of hesitant to reboot as it seems that closing Mathematica and then... |
| Thank you. I wrongly assumed that telling x to be between -2 and 2 would make it realize it is real (admittedly, I also did not think of what happens in the complex plane). I had some practice already and being a chemist, I use a lot of maths but... |