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Question: Simplifying with absolute value

Question:Simplifying with absolute value

SpacedOut 0 Maple
simplify
May 13 2012
0

I'm working with some rather complicated sums involving absolute value, I'd like convert the sum into a piecewise defined function. For example

After using

I get down to

Now I can break it into cases when b +2a -1 >0 and <0, however I wish it were possible to automate this process when my sums get more complicated. Is there any hope of doing so?
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