Timeline for Why doesn't Mathematica provide an answer while Wolfram|Alpha does, concerning a series convergence?
Current License: CC BY-SA 4.0
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| Jul 2, 2022 at 23:10 | comment | added | Валерий Заподовников | Another example (RaabeTest does not work, but does work by hand, FunctionRange does not work) mathematica.stackexchange.com/questions/185209/… | |
| May 29, 2022 at 16:21 | comment | added | Michael E2 |
You might be interested in this. I showed how to add Bertrand's test to SumConvergence here: mathematica.stackexchange.com/q/268826/4999
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| May 29, 2022 at 12:13 | history | edited | Валерий Заподовников | CC BY-SA 4.0 |
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| May 28, 2022 at 16:38 | comment | added | Michael E2 |
Further, the Raabe test is not attempted in SumConvergence[1 - Cos[Pi/n] // TrigToExp, n] because the summand contains a complex number.
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| May 28, 2022 at 16:14 | comment | added | Michael E2 |
The Raabe test "fails" (that is, the internal code returns $Failed) because the summand contains a trigonometric function. It is explicitly tested internally.
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| May 28, 2022 at 13:53 | history | edited | Валерий Заподовников | CC BY-SA 4.0 |
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| May 28, 2022 at 13:44 | history | edited | Валерий Заподовников | CC BY-SA 4.0 |
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| May 28, 2022 at 13:15 | history | edited | Валерий Заподовников | CC BY-SA 4.0 |
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| May 28, 2022 at 13:08 | history | answered | Валерий Заподовников | CC BY-SA 4.0 |