# What is the difference between big Oh O and small Oh?

**Big**-

**O**is an inclusive upper bound, while

**little**-

**o**is a strict upper bound.

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Herein, what does little o mean?

**Little o** notation is used to describe an upper bound that cannot be tight. In other words, loose upper bound of f(n). Let f(n) and g(n) are the functions that map positive real numbers.

Similarly, what is the difference between Big O notation and Little O notation in asymptotic notations? A **little**-**o** bound is a stronger condition than a **big**-**O** bound. **Big**-**O** is an upper bound. is if for some constant and sufficiently **large** . So, for example, is .

Also, what does the O in Big O stand for?

**Big O** notation (with a capital letter **O**, not a zero), also called Landau's symbol, is a symbolism used in complexity theory, computer science, and mathematics to describe the asymptotic behavior of functions. The letter **O** is used because the rate of growth of a function is also called its order.

What is Omega notation?

**Omega Notation**, Ω The **notation** Ω(n) is the formal way to express the lower bound of an algorithm's running time. It measures the best case time complexity or the best amount of time an algorithm can possibly take to complete.