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Kernel exit on certain Apart[] calls?

Posted 9 months ago

I just purchased Mathematica (13.3.1.0) after using it briefly 20+ years ago, so I'm walking through basic tutorials. One included...

Apart[(2 x^2 - 3)/(x^2 - 3 x + 2)]

...which correctly decomposes the rational expression, but then the kernel immediately exits and loses existing references in the notebook. Similar commands like...

Apart[(3 x^2 - 3)/(x^2 - 3 x + 2)]
Apart[(x^2 + 5)/(x^2 - 5 x - 6)]
Apart[(x^5 - 2)/(2 + x - 2 x^3 - x^4)]

...complete without any issues and the kernel keeps running. Is there some subtlety I'm not seeing here?

POSTED BY: Todd Pytel
4 Replies
Posted 9 months ago
POSTED BY: Todd Pytel

What you describe is certainly not expected behavior. But I am not replicating in in 13.3.1 on Ububtu Linux. Was there something else going on during the computation, e.g. scrolling over large graphics or some dynamic computations on the screen?

POSTED BY: Daniel Lichtblau
Posted 9 months ago

Sorry... replied to myself. Didn't realize how threading works here.

POSTED BY: Todd Pytel

Not an issue, it's clear what you were replying to. If you replicate it, we'll see if we can track it on a similar system here. This might require contacting Tech Services, if we have trouble doing so.

POSTED BY: Daniel Lichtblau
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