Does anyone know of a mathematics equation known as the "hole" or "cluster"? I experimented with it in Calculus AB; basically, it's an equation that has a line cluster around to form a "black hole". It doesn't appear to be a function because the lines loop around one another.
Mathematics Equation (Hole/Cluster?)
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hole: http://mathworld.wolfram.com/Hole.html
cluster: http://mathworld.wolfram.com/Cluster.html
dunno if that helps. i lost interest in mathematics last year, so i stopped taking classes.
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It would help if he told us more about everything he's saying..
What's Calculus AB ? Line clusters ? What kind of equation're you looking for ?