sweeping is not really something that someone can "tell you to do"
It's best to have someone show you, check out videos by Vinnie Moore, Paul Gilbert and Yngwie, as they demonstrate a lot of basic sweep techniques, I would stay away from Frank Gambale for now until you are really comfortable with the technique as some of his sweeps are totally insane. WAY ADVANCED
Start with the three listed. Build your foundation , then work on sweeping dom7#9 arpeggios and such.