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Big Theta Notation
In the book that I am studying, Big Theta Notation isn't explained very well and there examples are quite terrible. After looking online for explanations of Big Theta Notation I think that I have gotten at least a basic grasp on it, but there are still some questions I can't answer.
Re: Big Theta Notation
I think all of your answers to the true or false questions are preety much correct. The question you asked about a case where big oh differs from big theta is simply answered. Consider the function f(n)=n^2. It is certainly both O(n^3) and BigTheta(n^2).
The limit operator is just an excuse for doing something you know you can't.
“It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment