
What is the difference between O, Ω, and Θ? - Stack Overflow
Jan 21, 2010 · I am learning algorithm analysis. I am having trouble understanding the difference between O, Ω, and Θ. The way they're defined is as follows: f(n) = O(g(n)) means c · g(n) is an …
What is the difference between lower bound and tight bound?
Jul 27, 2019 · Θ-notation (theta notation) is called tight-bound because it's more precise than O-notation and Ω-notation (omega notation). If I were lazy, I could say that binary search on a …
algorithm - f (n) = o (g (n)) ve f (n) ≠ Ɵ (g (n)) - Stack Overflow
May 11, 2021 · I didn't understand your qustion. do you need an example of two function f, g that f(n) = o(g(n)) and f(n) ≠ Ɵ(g(n))?
What is the difference between Θ(n) and O(n)? - Stack Overflow
Jan 22, 2009 · There's a simple way (a trick, I guess) to remember which notation means what. All of the Big-O notations can be considered to have a bar. When looking at a Ω, the bar is at the …
algorithm - Big O for worst-case running time and Ω is for the best ...
Mar 14, 2013 · It is important to distinguish between the case and the bound. Best, average, and worst are common cases of interest when analyzing algorithms. Upper (O, o) and lower …
performance - What are the rules for the "Ω (n log n) barrier" for ...
To directly answer your question: Your sorting algorithm is technically not O (n) but rather O (n + max), since you need to create an array of size max, which takes O (max) time. This isn't a …
Upper bounds and Lower bounds in Algorithms - Stack Overflow
What exactly are Upper/Lower bounds? We are interested in bounds of functions, as you can read in Wikipedia. Moreover, a part of this answer mentions: For a function f(n), g(n) is an upper …
Asymptotic notation: How to prove that n^2 = Ω(nlogn)?
Feb 16, 2015 · I was asked to prove or disprove the following conjecture: n^2 = Ω(nlogn) This one feels like it should be very easy, and intuitively it seems to me that because Ω is a lower bound …
How to Plot Fourier Transform of cos (2x) correctly with Numpy …
Sep 5, 2023 · I watch a video about Fourier Transform and in the Fourier Transform plot of the funciton cos(2x) the hike should be at ω=-2 and ω=2, but why mine is different: this is the …
Big O and Big Omega of worst-case time complexity
Jul 15, 2022 · These concepts can be quite confusing. O, Ω and Θ aren't actually tied to worst, best and average time complexities. They just describe relations between functions, or …