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Re: Re: Re: curve fit for exp function

Daniel Lichtblau pointed out to me that I neglected to include the Y 
values in my list of points. These are 1 to 10.




Martin Channon wrote:

>Hey folks, I'd like to ask for some more help, but this would be on a 
>consulting-fee basis. I am trying to fit a certain set of points with an 
>exp function. I have curve fitting software, but it can't handle the 
>problem. I understand that it is possible to write a program in 
>Mathematica to do this sort of thing. I don't know how to do it myself, 
>and I don't want to spend the time trying to learn how. I'd rather pay 
>someone who already knows . What makes the problem defeat my curve 
>fitting software is that the points are expressed with many decimal 
>places, for example, 9.9999999995. I need to fit this with a function 
>that is nearly zero along  the interval -50 < X <9.99 and then rises 
>sharply. I have pretty much the ideal function. It is Y = 
>a*Exp[-b(X-10)^c]. The points are subject to modification, but here is a 
>typcial set:
>
>10
>9.999999997
>9.999999993
>9.999999986
>9.999999977
>9.999999963
>9.999999939
>9.999999886
>9.999999678
>9.999999566
>
>This is bell-shaped curve; it goes down again on the right after 
>reaching a peak, but the right side doesn't matter for me. This is worth 
>$100 to me even if you can do it in five minutes. I would want to be 
>able to insert the points and get back a, b and c. Actually, the exp 
>part could also be made a parameter. Anybody interested in some pocket 
>change? I can send payment via PayPal.
>
>
>
>
>
>  
>
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