It adds confusion in that the term means two different things now and the original definition is more common. It subtracts confusion in that “% of problem solved / extra $” is more intuitive.
I think in everyday usage, people don’t use “tractability” in such a precise way, so the slight change in definition doesn’t add confusion.
It adds confusion in that the term means two different things now and the original definition is more common. It subtracts confusion in that “% of problem solved / extra $” is more intuitive.
I think in everyday usage, people don’t use “tractability” in such a precise way, so the slight change in definition doesn’t add confusion.