Question: Problem with FunctionChart


The command

f := -.1*(x+3)*(x-1)*(x-3.5):


produces different results in Maple 13 and Maple 16.02.

In particular, the concavity=[] option seems to be ignored in 16.

Also, it may be my imagination, but execution seems slower in 16, but I didn't try timing it.

My apologies, if this has already been noted.







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