Question: Trouble getting Maple 18 interval arithmetic to do everything I want

What I tried is at

 

http://apfp.sourceforge.net/maple_interval_arith.pdf

 

I would like to be able to do comparisons of intervals.

At least take min or max - I thought I saw that on help pages but didn't get it to work.

Would also like to use with complex numbers - tried evalrC - but did not do what I expected.

 

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