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I'm trying to come up with the correct algorithm for a setting on a meter in my app.

Basically, I have a value (lets call it 'x') returned from a source which can be in the range of 0 to 30.

As x goes from 30 to 0, I need y (the output of the algorithm) to go from 0 to 1.0. Basically, as x gets smaller, y needs to get larger but the rates of each are not proportional.

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    There are infinitely many solutions to your problem. For instance, the dependence might be quadratic, cubic, general polynomial, or exponential. Take your pick!2012-06-24
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    Is there some underlying physical connection between the meter reading and what it is reading? That might suggest an appropriate model?2012-06-24

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