Recent content by ndesk1900

I had some general questions related to hashing. 1. Load factor in a HashTable is when you want to increase capacity of buffer. Is there any advantage/disadvantage of setting the loadfactor less than 100% vs setting load factor at 100%? 2. When you increase capacity, you have to rehash all...

Homework Statement Consider the function f(x) = sin (x) in the interval x ∈ (p/4, 7p/4). The number and location(s) of the local minima of this function are? Homework Equations The Attempt at a Solution I have managed to get one of the minimas (i.e. 3p/2), however i am unsure about...

Hi All, Always wondered a few things about radio transmission, hoping to get some questions answered. 1. Is there a reason why certain frequencies are free to use by everyone and certain ones are reserved? Is it something to do with the fact that the cost (or means) to send signals on...

Hi, I've been trying to understand more on frequency plots of images. 1. Assuming a 1d example of just a strip of an image; in the frequency map there are 'same' no. of frequencies as there are pixels. What is the reason for this? Does this have something to do with the Nyquist theorom...