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Math Forum » Discussions » Software » comp.soft-sys.matlab

Topic: A basic question
Replies: 2   Last Post: Jan 16, 2013 1:27 PM

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Jerry

Posts: 71
Registered: 6/14/12
A basic question
Posted: Jan 16, 2013 11:00 AM
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Hello,

I used this model [y = D+(A-D)/(1+(x/C)^B)] and predicted all parameters using a vector of 'x' and 'y'. For a specific value of 'y', I would like to calculate a value for the 'x' using this model [x =((((D+(A-D))/y)-1)^1/B)*C] derived from the original model. But the calculated 'x' is not what it should be. I am assuming there is something wrong with this model [x =((((D+(A-D))/y)-1)^1/B)*C]. May someone give me a comment?

Thanks,
Jerry



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