Hi folks, What do you call a curve like the one in the attached image? Rather, what's the mathematical term for the equation that produces such a double curve. I am trying to scale an incoming float number (0.0 – 1.0) so that it changes more quickly in the middle of the range (~0.2 - 0.8) than at the top and bottom (~ 0.0 - 0.2, 0.8 - 1.0). Right now I've got exponential scaling, which works for the bottom of the range but not the top.
I place full blame for my lack of knowledge on the American educational system. (Well, maybe a little bit of the blame falls on my shoulders for only taking one CS class in college.) Regardless, is there a mathemagician among you who can pass this quiz? thanks, dan
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