Question: int fail with Error, (in anonymous procedure called from collect) too many levels of recursion first time, but works second time

I do not know why int() on this integrand fails always first time, and works second time it is called. seems like something is not loaded correctly first time?


print("First time");

print("second time");

Worksheet attached.


Here is a movie. it is few minutes long. This happens by random and not each time. This movie shows the command starting from "restart" are repated 4 times. First two times, no error. Then the error shows up.  So it is random. Maybe it depends if Maple is busy with other things or not. I have each worksheet set to use its own server though. So I have no idea why this happens sometimes and not other times.

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