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by gizmo686
2989 days ago
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Big-theta gives you equivalence classes. Big-O only gives you partial ordering. For instance, we might say x = O(x^2) and x=O(x), but we would not say O(x^2)=O(x). Interestingly, in my experience, some people will actually say O(x)=O(x^2), but that seems a bit too abusive for my liking. |
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