I think the best analogy for that concept would be a change of basis: (http://en.wikipedia.org/wiki/Change_of_basis http://en.wikipedia.org/wiki/Change_of_basis

I think the best analogy for that concept would be a change of basis: (http://en.wikipedia.org/wiki/Change_of_basis http://en.wikipedia.org/wiki/Change_of_basis) Basically some problems are made trivially easy, without having to change the problem definition by changing the underlying representation of the problem.