Question: Maple 13 fast, Maple 18 crawling

Hi everyone,

Consider the following worksheet (Maple 13):

 (or as a Google Drive link)

Choose execute entire worksheet on both Maple 13 and Maple 18.

Maple 13 is blindingly fast at 40 seconds, entire wroksheet upon completion

Maple 18 crawls and hangs forever.


Can anyone recognise what the problem with Maple 18 is?

Running on a two core 1.7GHz AMD Athlon.


Many thanks



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