Solve : graph explanation?

1.	Solve : graph explanation?
Answer» Could anybody PLEASE explain FIGURE ONE of the paper in that link : http://www.cs.duke.edu/~jsv/Papers/AgV88.IO.pdf i tried my best to understand it but i just couldnt...PLEASE PLEASE help me out in this... i googled FFT and i know that its :i know that its a fast algorithm ( o(nlogn) to find the DFT ( discrete FOURIER traform) ) where DFT is a way to covert time DOMAIN signal to frequency domain signal. but i just could understand the graph in FIGURE one in the second page right under the FAST FOURIER TRANSFORM YOUR HELP IS MUCHHHH APPRECIATED I'm going to have to read the article up to the point of the graph, and probably a bit past, if I have a hope of understanding. Does not the graph simply illustrate the point they're trying to make?thank you dear, you dont have to read wats before,, trust me . it doesnt help you to understand the graph. im really waiting for your help...cz honeslty i gave up If you are actually doing a CS COURSE why not approach your tutor? Otherwise you could join any of the CS forums (see here) where I'm sure students and post grads would be pleased to give you an immediate response.

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