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| Ilian, Precision[] returns infinity values (for both f and f'). When I assing infinity to WorkingPrecision, the warning appears: [color=#b22222] NIntegrate::wprec: Value of option WorkingPrecision -> \ is not a positive... |
| [i]Certainly, Ivan...[/i] |
| Thanks, Ivan. Chop[] function helped to solve the issue with small terms, but the issue with crash of DSolve remains. I'll dedicate next question to it. |
| Thank you, friends. Your tips are very valuable. FullSimplify of the right part of equation solved the problem, at least, for the current moment. I have not yet tested Rationalize, but will keep this workaround in mind. Regards. |
| Thank you, David. I've tried, it works. Regards. |