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Hello. I have a function which doesn't work near A=0. I want to change it to something that a computer can evaluate for any value of A.

y = [exp(Ax) - 1] / [exp(A)-1]

As you can see below, it approaches y=x when A->0.

I was wondering about multiplying the numerator and denominator by something.

[PLAIN]http://dl.dropbox.com/u/21857463/FunctionPlot.png [Broken]

y = [exp(Ax) - 1] / [exp(A)-1]

As you can see below, it approaches y=x when A->0.

I was wondering about multiplying the numerator and denominator by something.

[PLAIN]http://dl.dropbox.com/u/21857463/FunctionPlot.png [Broken]

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