A function is in big-theta of if it is not much worse but also not much better than ,

# Big-Theta Notation

## See also

Asymptotic Notation, Big-Omega Notation, Landau Symbols## Explore with Wolfram|Alpha

## Cite this as:

Weisstein, Eric W. "Big-Theta Notation."
From *MathWorld*--A Wolfram Web Resource. https://mathworld.wolfram.com/Big-ThetaNotation.html