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On 10 Sep 2009, at 18:36, Ralph Baker Kearfott wrote:
Cancellation is when you create a sum \sum x_i and need \sum_{i\ne j} x_i. You then subtract x_i from the sum, but you do it in such a way that there isn't overestimation,...Of course, there's a very simple operational definition in terms of the end points :-)
And it's equivalent to modal-interval addition of the dual interval, isn't it?
John